pf2015fabiane pizato girardirepositorio.upf.br/bitstream/riupf/843/1/pf2015fabiane pizato...

Upload: others

Post on 04-Jul-2020

1 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!! "#$%&'($)*)&!)&!+*((,!-"#),!-*."/)*)&!)&!*'0&(!&!.,1"#$.*23,!."'(,!)&!*'0&(!%$("*$(!4!/!!!!!!!!!1*#56!&!7"*)'$#8,(!!'&+'&(&#0*29&(!5'6-$.*(:!*),/&(.&#0&(!&!$#(&'23,!#*!&(.,/*!!!!!-;<=;>?!+=@;AB!5=C;CD=!!!!!+;EEB!-F>DB!GHIJ!

Page 2: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!! "#$%#&'!(%)#*+!,%-#-.%!!!!!!!!/01,2!3!45067819:;!73(73;31<0=>3;!,72"8?0;@!!06:A3;?31<3;!3!81;37=B:!10!3;?:A0!!!/+&+C-#D%#!#E-'F'&*#.#!#+!GH-F+!.'!0-*'F!I%FH#%F!J!AK!.#!"#GHL.#.'!.'!0-*'F!'!?+MH&%G#NO+K!.#!5&%I'-F%.#.'!.'!(#FF+!"H&.+K!G+M+!-'PH%F%*+!E#-G%#L!E#-#!#!+$*'&NO+!.+!C-#H!.'!L%G'&G%#.+!'M!0-*'F!Q%FH#%FK!F+$!#!+-%'&*#NO+!.#!(-+DR!/SR!/#-C#-'*'! <'-')%&T#! U#--%PH'L! 6'!?VF#-+S!!!!!!!(#FF+!"H&.+!WXYZ!

Page 3: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!! !!!!!!!! !!!!!!!!!!!!!!!!!!!!"#$%&'!#()#!)*+,+-.'!+!/#0!#(1'('!23*&%'!#!+!/#0!4%-.'!5#-%1#!60#!('0,#*+/!&'/1*##7$#*!/%7.+(!+0(87&%+(9!

Page 4: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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

Page 5: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!! !!!!!!!!!!!!!!!!!!!!!!!!!!!"#$$$%!&'!()'*+,)&'!-.!/0&1,)2(3'!453!&3!67897:;9!<=>!7686>>?<=<6>!<9!>6;!@AB=79C!7=!B6<?<=!6B!DA6!A:?E?F=B!G=;:=B67:6!AB!6E6B67:9!<6!89BA7?8=HI9!DA6!6>:6J6!K;6>67:6!7=!@?>:L;?=!<=!@AB=7?<=<6!<6><6!3'!M,).+,1)3'N!&!).&O-.!O,PQ)R&S$!!!!!!!!!!!!!!!!!!!!!!!!!!!!TUVWXYZ[X!\][ _]Z[X!

Page 6: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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email protected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

Page 7: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!! "#$%&$!'(!)#*+,&$!!-./012!3!4!567689:!;6!<.8=68>!?28!@:/9!A!B16>:!=92CDEF06868!G!H0C9:!;6!3IIJ!=:C6KL:!M21>.=0C21E!N7>2;:7!O8.;:7!;2!PQR1.=2!ES!TUVWXYZ[!\U]UYX!_UUU[S!aB62728>A!5.//.8/!OM!B:>2>:67b!-./012!c!4!567689:!;6!B2dC:!B.=277:E!P!=1.21!ef16!6>!68g28>!h!i2!e2>618.>R!h!ef16!>6828>!Cj68g28>!aP!e2>618.;2;6b!3kl3E!!-./012!m!4!@212>0H2!;67:1;682;2!;[email protected]!nE!3!28:E!-./012!o!4!@212>0H2!:1;682;2!;6!p62>1.q!nE!m!28:7E!-./012!J!4!r.7>s1.2!6Q!t02;1.89:7!g6.>:!M:1!2;:C67=68>6!;6!3o!28:7!4!2=61?:!M21>.=0C21!-./012!u!h!r.7>s1.2!6Q!t02;1.89:7!g6.>:!M:1!2;:C67=68>6!;6!3o!28:7!4!2=61?:!M21>.=0C21!-./012!v!4!r.7>s1.2!6Q!t02;1.89:7!g6.>:!M:1!2;:C67=68>6!;6!3J!28:7!4!2=61?:!M21>.=0C21w!-./012!I!h!P7!P?68>0127!;6!F9xhy0.QA!:0!zQM1677{67!;6!0Q2!?.2/6Q!|!=:1>6A!;6!P8/6C:!P/:7>.8.A!ml!;6!H286.1:!;6!3kukE!-./012!k!4!n6?.7>2!}~!�.=:!�.=:S!4!:0>0d1:!;6!3klJE!-./012!3l!h!�.>2q2�2!n2D0>68A!�2/:72D0!M212!e:D0_�!Y�X!��Y_�[�!�����X!��!�U�X[U��!�!�X��_�!�X��X!����[���Y���!�����UY!������!�����!�!��X��!3klcE!-./012!33!4!B617:82/687!=1.2;:7!M:1!~72Q0!�6q0D2!a3kcuh3kIkbE!!!!!!!!!!!!!

Page 8: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!! "#$%&$!'(!&)*(+#&%,*&$!(!$#-"&$!!./0!1!.23!42!/352653728!2!09828!49!:4;<9=>?!./0!@A!BCDBE!F!.23!@G!BCDBEH!42!IJ!42!4272KL5?!42!MBBNC!:869L2O2<2!98!4352653728!2!L9828!49!24;<9=>?!@9<3?@9OC!PQR8!1!P95SK265?8!Q;553<;O9528!R9<3?@9O!!PQRFT562FMBBU!1!Q288>?!4?8!P95SK265?8!Q;553<;O9528!R9<3?@9O!V;2!42O3L259!8?L52!?!2@83@?!49!/38<3WO3@9!42!95628!!@9!:8<?O98C!:QT!1!:8696;6?!49!Q539@=9!2!4?!T4?O28<2@62!XYZ!1!X5[9@379=>?!Y;@439O!49!Z9\42!] 8!F!]386_5398!2K!;9453@?8!:/a:.!1!:436?59!42!52b38698!2!O3b5?8!PR0:!F!P5?[59K9!R9<3?@9O!03LO3?62<9!49!:8<?O9!cR/:!F!c;@4?!R9<3?@9O!42!/282@b?Ob3K2@6?!49!:4;<9=>?!!!!! !!!!!!!!!!!!!!!!

Page 9: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!! "#$%&'(!!')*&(+#,-(.................................................................................................../0!/!1!2&*3!3+#42,-(!/./!1!56787!9:;;<9:=6;87!8!>;8?8!@<7AB;<6.......................................................//!C!1!(!+3"3)D(!4($(!E(&$2!+3!&3F&3"3)*2,-(!C./!1!(!G:8!H!I!J878K@I.................................................................................../L!C.C!1!(!+878K@I!'KM6KA<=.................................................................................../N!C.O!1!3A6P67!3?I=:A<?67!JI!+878K@I!'KM6KA<=!78Q:KJI!F<6Q8A!8!R:G:8A...../S!O!1!("!2+(R3"43)*3"...............................................................................CL!L!1!T#2+&')D("!3!$2)U%"!.....................................................................CS!L./!1!(!T:8!7VI!67!D<7AB;<67!8W!T:6J;<[email protected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

Page 10: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" "#$%&'()*+'"",-"./-0122-"31"312145-6578149-"3-":/;<728-"31231"-2"./7817/-2";4-2"31"573;=".;22;43-".16;";3-6120>407;";9?";"<;21";3@69;="3751/2-2";2.109-2"74<6@1407;8"4;"8;417/;"31"0;3;"7437573@-"21"1A./122;/";9/;5?2"3-"31214B-="149/1"12912";2.109-2="-2"8;72"/1615;4912"2C-D"-2"0@69@/;72=";"8;9@/;EC-"0-:47975;=";"/1;673;31"2F07;"0@69@/;6"3-"2@G179-"149/1"-@9/-2H"I2".12J@72;3-/12"3-":/;<728-"74<;4976"0-429;9;/;8="0-8"K;21"18".12J@72;2"1"-K21/5;EL12="J@1"1A72918"3191/874;3-2";2.109-2"J@1"<-/8;8"-@";6701/E;8"-"312145-6578149-"3-"31214B-"4;"0/7;4E;"1"4-";3-61201491"1"J@1="8128-"18"37<1/14912"/1:7L12"1"?.-0;2"3729749;2="74370;8"0;/;091/M2970;2"B-8-:>41;2"1"0-429;4912"J@1"4-2".1/8791"06;227<70;/"1"129@3;/";2"<;212"3-"312145-6578149-"3-"31214B-"74<;4976H"I"./7817/-";2.109-"/1615;491"J@;43-"4-2"/1<1/78-2"N"0-42979@7EC-"3-"31214B-"4;"0/7;4E;"1"4-";3-61201491"?"J@1"12912"21"@9767O;8"3161".;/;"318-429/;/";"2@;"572C-"31"8@43-="7491:/;43-".1/01.EC-="78;:74;EC-="/1<61AC-"1"21427K7673;31H"P;/;"-2";3-612014912"-"./-0122-"31"312145-6578149-"3-":/;<728-"0-49;"0-8"3751/2-2";2.109-2="<M270-2"1".270-6F:70-2"J@1"74<6@1407;8"4;"<-/8;"0-8-"21"1A./122;8H"I2"129@37-2-2"3-":/;<728-"74<;4976"731497<70;/;8"J@1"-2";3-612014912="18":1/;6="41:;8Q21"";"@9767O;/";"674:@;:18"3-"31214B-".;/;"21"8;47<129;/H"R;2"0-8";".-.@6;/7O;EC-"3;2"S729F/7;2"18"T@;3/74B-2"1"-2"R;4:U2="-2";3-612014912".-318"129;/"/13120-K/743-"-"31214B-";9/;5?2"31"4-5;2"8M37;2H""V29;".12J@72;"K7K67-:/U<70;"31"0@4B-"J@;679;975-"K@20;";./-A78;/"918;2"2-K/1";"7421/EC-"3;";/91"13@0;EC-"4-"0@//M0@6-"120-6;/="1A.67079;3-"4-"./7817/-"0;.M9@6-="2-K/1"-2";3-612014912="0-42731/;EL12";./12149;3;2"4-"91/017/-"0;.M9@6-="2-K/1"-"31214B-"0-8-"<-/8;"31"1A./122C-"/1<1/73;"4-"21:@43-"0;.M9@6-"1";2"./1<1/>407;2"31"/1./12149;EL12":/U<70;2"3-2";3-612014912D";2"S729F/7;2"18"T@;3/74B-2"1"-2"R;4:U2"4-"J@;/9-"0;.M9@6-"1";743;="0-42731/;EL12"2-K/1";"/1615W407;"3;"@9767O;EC-"312212"918;2"/1./12149;975-2"18"2;6;"31";@6;H"" "" "

Page 11: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!! !"#!$!$%&'!'()*$+,-!!"."!/0121!345563470521!2!85292!:61;<560!=>?>!@A!BCDE?AAFGA?!>!GHDAF@IC!GC!AF@HFC!G>!>?JA!FC!K?>@HLM!N!HDEC?J>FJA!OCLJ>?!>C!@NBPLC!QRSSM!TP>FGC!UCD!VCIC!RSM!AD!WXWYM!J?CPZA!E>?>!C!K?>@HL!>![H@@IC!\?J]@JHB>!?>FBA@>_!D!aY!GA!D>?bC!GA!WXWY!BcAd>!>C!eHC!GA!V>FAH?C!PD!d?PEC!GA!>?JH@J>@!f?>FBA@A@M!LHGA?>GC@!EC?!VC>BcHD!gAh?AJCF!>BCDE>Fc>GC!GC@!EHFJC?A@i!VA>Fj!K>EJH@JA!UAh?AJM!kHBCL>@!\FJCHFA!l>PF>m!A!@AP!H?DICM!C!A@BPLJC?!\PdP@JAj[>?HA!l>PF>mM!C!>?TPHJAJC!n?>FGoA>F!GA![CFJHdFm!A!C!d?>O>GC?!GA!DAG>Lc>@!pc>?LA@jqHDCF!=?>GHA?_!!r!ChoAJHOC!E?HFBHE>L!G>!OHFG>!GA@JA@!>?JH@J>@!>C!K?>@HL!A?>!GA!fPFG>?!>!E?HDAH?>!\B>GADH>!GA!\?JA!FC!eAHFC!sFHGC!GA!=C?JPd>LM!K?>@HL!A!\Ld>?OA@!HDEL>FJ>FGC!C!AF@HFC!?AdPL>?!GA!>?JA@!tELu@JHB>@!v!EHFJP?>M!A@BPLJP?>!A!>?TPHJAJP?>!A!GABC?>JHO>@w!A!Cf]BHC@!tE>?>!C!HFB?ADAFJC!G>!D>FPf>JP?>w!hP@B>FGC!@PEA?>?!>!J?>GHbIC!BCLCFH>L!h>??CB>!F>@!>?JA@!A!C!ADhALAx>DAFJC!P?h>FCM!@Ch?AJPGCM!GC!eHC!GA!V>FAH?CM!@AGA!GC!?AHF>GC_!=ALC!UAB?AJC!GA!Wa!GA!>dC@JC!GA!WXWY!fCH!fPFG>G>!>!@BCL>!eA>L!GA!pHyFBH>@M!\?JA@!A!rf]BHC@!A!EALC!UAB?AJC!GA!Wa!GA!CPJPh?C!GA!WXaz!>!GAFCDHF>bIC!fCH!>LJA?>G>!E>?>!\B>GADH>!eA>L!GA!UA@AFcCM!=HFJP?>M!@BPLJP?>!A!\?TPHJAJP?>!pHOHL_!=>@@>GC!PD!Dy@M!fHBCP!GA@HdF>G>M!EALC!GAB?AJC!GA!a{!GA!FCOADh?C!GA!WXazM!BCDC!\B>GADH>!GA!|}~���!��!����!������!��~��!�!|�������!����}���!��!�����!|}~���!�������!����� !GC!FC@@C!AF@HFC!GA!>?JA_!qAdPFGC!K>?hC@>i!! \!EA?D>FyFBH>!GC@!OALcC@!DNJCGC@!A!GA!PD>!LHFdP>dAD!@CfH@JHB>G>!BCFJHFPCP!D>FJAFGC!C!ECOC!>f>@J>GCM!JC?F>FGC!>!HFBLP@IC!G>!fC?D>bIC!GC!>?J]fHBA!oPFJC!>C!>?JH@J>!PD>!A@ENBHA!GA!BCFBA@@IC!G>!ALHJA!¡!BL>@@A!Ch?AH?>M!BLHD>!A@JA!TPAM!EC?!PD!E?CBA@@C!HFOA?@C!GA!AZBA@@HO>!@HDELHfHB>bIC!BP??HBPL>?M!AFOCLOAP!J>DhND!C@!BP?@C@!FCJP?FC@!B?H>GC@!EC@JA?HC?DAFJA!F>!\B>GADH>!E>?>!fC?D>bIC!GC!>?JA@IC!tWXYzwM!A!TPA!@HDELHfHB>FGC!AZBA@@HO>DAFJA!A!@A!?AGPxH?>D!>!PD!DA?C!J?AHF>DAFJC!E?CfH@@HCF>L!BCD!>!ALHDHF>bIC!GC@!A@JPGC@!E?AE>?>J¢?HC@_!tK\eKrq\M!W£££M!E_{zw!!r!GA@AFcC!A?>!>!LHFdP>dAD!D>H@!HDEC?J>FJA!GA!JCGC!C!AF@HFC!G>!>B>GADH>M!F>!TP>L!O>LC?Hx>O>!>!B¢EH>!fHAL!A!>!PJHLHx>bIC!GA!E>G?¤A@!AP?CEAP@!CFGA!>!>?JA!d?ABCj?CD>F>!?A@@P?dH>!BCD!D>HC?!yFf>@A_!kA@J>!NECB>M!>!>?JA!A?>!BCF@HGA?>G>!PD!>?JHdC!GA!LPZCM!>E?ABH>G>!EAL>!ALHJAM!TPA!GA@BCF@HGA?>O>!TP>LTPA?!D>FHfA@J>bIC!>?J]@JHB>!TPA!fPdH@@A!GC@!E>G?¤A@!AP?CEAP@_!!

Page 12: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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a]VUT"TbS\]UXYVcTNT"Kde"fghij"kjlgm["a]T"c]XNO"QO]SO"VSRTUSTNVYV"VO"V\]O"Tc"NTRcOU"PT"VQRTPXnVoTc"PT"VRNTp["qrsst<8;ruv""w(."+"4$'"%x"A;Csu<")$"rsyr<"+">)0-+67(",/1z&1'-+"9('"-/'+)+"-(.("-(.8(%$%1$"-0//'-04+/<")$1$/.'%+%)("H0$"2/$+&")$"-(%*$-'.$%1("-(.(".{&'-+<"1$+1/(<")+%6+"$"+/1$&"842&1'-+&"9(&&$."-(%1${)(&"H0$")$3$/'+."&$/"+F(/)+)(&"$."+04+<"1+%1("%("rx"-(.("%("ux":/+0&<"'%&1'10'%)("0.+"9':0/+")$")(-$%1$"{%'-+"H0$")(.'%+&&$"$&1+&"4'%:0+:$%&;"|To]PO"}VYT\ZTRo~"K�"���"ACsu�yr"'%1/()05"+"$)0-+67("+/1z&1'-+"%("-0//z-04("$&-(4+/")("$%&'%("90%)+.$%1+4"$".@)'([;"quBB�<"8;"rrAv"�+/+"H0$"("$%&'%(")+"+/1$"9(&&$"3'+F'4'5+)(<"("�(3$/%("�$)$/+4"<"$."rsy�<"-/'(0"(&"-0/&(&")$"+/1$"$)0-+67("%+&"�%'3$/&')+)$&"-(."-0//z-04("F2&'-("01'4'5+)("$."1()("("�+z&;""�2"+"%(3+"4$'")$")'/$1/'5$&"$"F+&$&")+"$)0-+67("%+-'(%+4")$"uB")$")$5$.F/(")$"rssC<"$&1+F$4$-$"%("+/1':("uC<"8+/2:/+9("ux"H0$~"K�"TUXO"PV"+/1$"-(%&1'10z/+"-(.8(%$%1$"-0//'-04+/"(F/':+1�/'(<"%(&")'3$/&(&"%z3$'&")+"$)0-+67("F2&'-+<")$"9(/.+"+"8/(.(3$/"(")$&$%3(43'.$%1("-0410/+4"POU"V\]OU[p""�$:0%)("(&"�+/G.$1/(&"w0//'-04+/$&"?+-'(%+4<"+"$)0-+67("$."+/1$"8/(8'-'+"(")$&$%3(43'.$%1(")("8$%&+.$%1("+/1z&1'-("$")+"8$/-$867("$&1@1'-+<"H0$"-+/+-1$/'5+."0.".()("8/�8/'(")$"(/)$%+/"$")+/"&$%1')("�"$E8$/'=%-'+"*0.+%+J"+1/+3@&")+"$)0-+67("$."+/1$<"("+40%(")$&$%3(43$"&0+"&$%&'F'4')+)$<"8$/-$867("$"'.+:'%+67(<"1+%1("+("/$+4'5+/"1/+F+4*(&"8/21'-(&"H0+%1("%+"+67(")$"+8/$-'+/"$"-(%*$-$/"+&"9(/.+&"8/()05')+&"8(/"$4$"$"8$4(&"-(4$:+&<"8$4+"%+10/$5+"$"8$4+&")'9$/$%1$&"-0410/+&;"","+/1$"@"-(%*$-'.$%1("$"8+/+"1+%1("@"90%)+.$%1+4"$"'%)'&8$%&23$4"("&$0"$%&'%("%+"$&-(4+;">&1$"-(%*$-'.$%1("9('"-(%&1/0z)("8$4("*(.$."+1/+3@&")(&"1$.8(&<"&$%)("8+1/'.�%'("-0410/+4")+"*0.+%')+)$"$")$"1()("&$/"*0.+%(;""�+/+"

Page 13: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!""#$%&'()*"+,-./-01"0123"./4-/5/60"012/67801"219."60:;<."6<-63/270/.="0">%'$?@ABC%ADE?@AF"$"CG%>GC?@AB$(HI')G"G"A">A(JG>'KG(&A"D$"C%ADE?@A"$%&L)&'>$M3.2N2/60"O0"P7:0-/O0O3"QRRRSTRUVWWXF"CYVZ["\'(D$"($"D]>$D$"DG"VWWF"'KCA%&$(&G)"'(A_$?G)")E%a'%$K"C$%$"DG)G(_AI_G%"A"KADGIA"$&E$I"DG"G()'(A"D$"$%&G"($)"G)>AI$)*"($"b)C$(J$F"cG%($(DA"dG%(H(DGe"DGfG(DGE"A"G)&EDA"D$">J$K$D$">EI&E%$"_')E$IF"'DG'$"GgC%G))$D$"3:".37"8/h1<"+ijkjlmnop"lj"iqrkqnj"stpqjrT"u"vwwxyF""KE'&A"$I]K"D$)"$%&G)"_')E$')">IH))'>$)F")G(DA""(G>G))H%'AF")GaE(DA"A"$E&A%"F"&%$z$IJ$%">AK"_'DGA>I'CG)F"'(&G%(G&F"J')&{%'$)"GK"|E$D%'(JA)F"Az}G&A)"CACEI$%G)"G"D$">EI&E%$"DG"K$))$F"%{&EIA)"G"AE&DAA%)"($)")$I$)"DG"$EI$Y""~A"�%$)'IF"\($"#$G"�$%zA)$"fA%KEIAE"$"KG&ADAIAa'$"D$"C%ACA)&$"&%'$(aEI$%F"A(DG"A"G()'(A"D$"$%&G"DG_G%'$"$z%$(aG%"*"A"f$eG%"$%&L)&'>AF"$"d')&{%'$"D$"\%&G"G"$"IG'&E%$"DG"Az%$)Y"b))G"K]&ADA"'(A_$DA%"]">A()'DG%$DA"EK$"��jknt��"DA)"G'gA)"DG"$C%G(D'e$aGK"|EG"DAK'($K"A"G()'(A"$&E$IKG(&G*"$"C%ADE?@AF"$"$C%G>'$?@A"$%&L)&'>$"G"$"%GfIGg@AY"�GaE(DA"�$_GIzG%a*""" �$%$"\($"#$G"�$%zA)$F"A"f$eG%"$%&L)&'>AF"$"$C%G>'$?@A"G"$">A(&Gg&E$I'e$?@A")@A"$?G)F"KG)KA"|EG"GI$)")G}$KF"GK"EK"C%'KG'%A"KAKG(&AF"DGf'('D$)"CA%"'(&G%K]D'A"D$)"D')>'CI'($)"|EG">AKCE(J$K"A"G()'(A"D$"$%&G*"C%ADE?@AF">%L&'>$F"J')&{%'$"D$"$%&G"G"G)&]&'>$F">A(fA%KG")E$"C%ACA)&$"&%'$(aEI$%"C$%$"A"G()'(A"D$"$%&G"�YYY�U� ZF"CY�X["""""�"f$eG%"$%&L)&'>A"UC%ADE?@A"C%H&'>$["CG%K'&G"|EG"A"$IE(A"GgG%>'&G"G"GgCIA%G"D'_G%)$)"fA%K$)"DG"GgC%G))@AY"\"$(HI')G"D$)"C%ADE?G)"U$C%G>'$?@A["]"A">$K'(JA"C$%$"G)&$zGIG>G%"I'a$?G)">AK"$"d')&{%'$"D$"\%&G"G"A"CG()$%")Az%G"$"J')&{%'$"D$|EGIG"Az}G&A"DG"G)&EDA"U%GfIGg@A[">AKC%GG(DG(DA"A">G(H%'A"){>'A"J')&{%'>A"DA"CG%LADAF"DA"$%&')&$"G"DG")E$"C%ADE?@AY"""""""""""

Page 14: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!""#"$"%"&'(')*%"+%,%"-%.,/"&'".'0.'(')1/23%""" 4567"89:9;<6"=6>?799;89@:9A"BCDEA"6"F7BGBH<6"I7JKE=6"8B"=7EB;LB"CD9";M6"N"OPQRSTUVW"VP"RXU"YZ[\U]"XUQ"VU"YWQTOR_W"P"VU"\TPO[OPTU_W"aRP"PSU"bUc"VWQ"WdePTWQ]"RX"YWTPfTW"QWY\WYRSTROUS"P"9>"D>B"N?6=Bgh""""""""""""""""""""""""""""""""""""""iUS\YP"jRTOU"k\SSUO""#lm$"%"nop"q"rpsptuvw"jPQPxW]"VP"bWOXU"Q\X[S\b\YUVU]"y"RXU"YWX[WQ\_W"d\V\XPQ\WUS]"YWQT\TRzVU"[WO"[WTWQ]"S\xUQ"P"bWOXUQ]"WVP"V\{POQUQ"TyY\YUQ"QW"PX[OP|UVUQ"[UOU"QWb\QT\YUO"U"OP[OPQPTU_W}"~"VPQPxW"[WVP"QPO"OP[OPQPTUVW"VP"bWOXU"OPUS\QTU]"PQT\S\cUVU"WR"RT\S\cUVW"WQ"XWVPSWQ"XPTU\Q}"iQ"YO\U_UQ]"[WO"PfPX[SW]"QP|RVW"�RaRPT�""" �}}}�"QP"dUQP\UX"PX"QRU"\VP\U"WR"QPR"YWYP\TW"QWdOP"W"WdePTW}"~Q"[O\Y\[U\Q"VPTUSxPQ"WR"YUOUYTPOzQT\YUQ"VW"WdePTW"PQTW"YWT\VUQ"PX"RX"������"�������"WR"XPTUS]"P"aRUVW"QWS\Y\TUVUQ"U"VPQPxUO"US|W"y"U"[UOT\O"VPQQP"XWVPSW"\TPOW"aRP"UQ"YO\U_UQ"VPQPxUX}"�����"U[RV"�~�]"����]"[}"����""�X"RX"YWYP\TW"XU\Q"[WyT\YW]"W"VPQPxW"y"RXU"S\|RU|PX"Pf[OPQQ\{U"P"RXU"bWOXU"VP"XU\bPQTU_W"PQTyT\YU"aRP"PQT�"[OPQPTP" U"x\QTZO\U"VU"xRXU\VUVP"VPQVP"W"[O\Yz[\W]"TOUcPVW"\�XPOUQ"Q\|\b\YU_�PQ"aRP"{U\"USyX"VW"S�[\Q"P"VW"[U[PS}"�P|RVW"kOWP_U�"" "4�:"?7E>9E7B:"9�?79::�9:"8B"B7F9"97B>">DEF6":E>?H9:h"�WQ\QT\UX"PX"TOU_WQ"bP\TWQ"UQ"[UOPVPQ"VP"UO|\SU"UQ"YU{POUQ"WR"VUQ"X WQ"PX"P|UT\{W}"�WXPTP"XR\TW"TPX[W"VP[W\Q"VP"VWX\UOPX"U"TyY\YU"VU"X W"PX"P|UT\{W"y"aRP"WQ"UOT\QTUQ"[Oy�x\QTZO\YWQ"YWXP_UOUX"U"89:9;<B7"9"?E;FB7"B;E>BE:gh"�����]"[}"���""~"�UTROUS\QXW"POU"U"[O\Y\[US"YUOUYTPOzQT\YU"VW"VPQPxW"bP\TW"U"[Oy�x\QTZO\U]"U"UTROPcU"P"WQ"U\XU\Q"POUX"WQ"TPXUQ"XU\Q"OPTOUTUVWQ}"""i\VU"QWdOP"U"S\|RU|PX]"W"VPQPxW"y"RX"XP\W"URT�WXW"P"UdOU|PTP"VP"YWXR\YU_W]"Pf[OPQQW"P"YWxPY\XPTW}"jPOV ¡"QUS\PTU"aRP�"" "4~"VPQPxW"PaRUTW"S\|RU|PX]"OPaR\Q\TU"RXU"[WQTROU"|SWdUS}"jPQPxUO" W"y"YW[\UO"bWOXUQ]"b\|ROUQ]" W"y"U[PUQ"[OW[WO_W"P"PQYUSU"�}}}�"jPQPxUO"y"YWxPYPO]"y"U[OW[O\UO�:9gh"����¢]"[}�¢�"""

Page 15: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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aNM"bJcd"eLfLMgJOgLPh*)"&$(.)"8'6'"$(&,*&$7"()8'-0)8)%"*%$"()+$&,1$"2$+&$".)"0$:,+,.$.)"-'".)*)-0'")":%*8'%"$3(,6'($("*%$"&?8-,8$"8'3,$-.'"':($*".)"6)*&()*"8'-*$@($.'*"8'6'"D$%6,)(")"i,++)&j"*)%"3('@()**'")*&k"()@,*&($.'")6".)&$+0)*"6)&,8%+'*'*")")-&%*,k*&,8'*")6"*%$*"8$(&$*"$'",(6<'"7"l0)'="i)*6'"],8$**'7"/%)"2,8'%"8'-0)8,.'"3'("*)%*"/%$.('*"-<'"()$+,*&$*")",-2$-&,*7"$3()-.)%"mnoKLonJ"N"eLfLMdNn"eL"KJeJ"RJMgLMRoJMNOKLMQL"nLNOofQNGS"TUVpU7"3=ppX" "qrst"u"qvwxyz"{&&3_||}}}=1$-@'@0@$++)(E=8'6|8$&$+'@|D($},-@"|pU~V|])$*$-&7h"D,@@,-@h�3h]'&$&')*=0&6+"

Page 16: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" "#$%&"'"#()*+,"-../0112223/45.67895:4:384;1<=:=>-4?@@1895:41A=88BC3-.;""@6D=7E=5F"5=::67.6"G9=0""" H"I=:=>-4"J"6"E6:="I=";9K.6:";4I67KI6I=:"I="/54I9LM4"DK:9670"6"/K>.956N"6"=:897.956N"6"O4.4F56OK6N"4"PQRSQTUVWN"6:"-K:.X5K6:"=;"G96I5K>-4:N"6"F56D956N"4"SQTUVWY"/45.6>.4":6E=5":4E5=":96"6G9K:KLM4"=798KI6N"I="8=5.6"O45;6N"6:"G9=:.Z=:"I="6/5=>IK[6F=;"=;"65.=:"DK:96K:3"\] CN"/3"_a"""b656"6:"85K6>L6:"="4:"6I47=:8=>.=:N"4"I=:=>-4"J"9;";=K4"I="5=/5=:=>.65":96"/=58=/LM4"I=";9>I4"G9="/65.="I=":=9"K;6FK>c5K4N"E9:86>I4"=d/5=::65":=>.K;=>.4:"="I=:=e4:N"85K6>I4":f;E474:"=":KF>KOK86I4:":9Ee=.KD4:"/656":96:"5=/5=:=>.6LZ=:3"""'&'"g"h"i+j+)k("l)mn)*$o"" b656"86568.=5K[65"4"I=:=>-4">6"6I47=:8p>8K6N"J"K;/45.6>.="84;/5==>I=5"84;4":="I=:=>D47D="6:"5=/5=:=>.6LZ=:"F5cOK86:">6"K>Oq>8K63"b656".6>.4":=5M4"9:6I4:"69.45=:"84;4"r=45F=:Bs=>5K"A9G9=."="t=6>"bK6F=."84;4":9E:fIK4".=X5K84"/656"=:.6"=.6/6"K>D=:.KF6.KD6N"6"OK;"I="=:.6E=7=8=5"E6:=:"/656"6"84;/5==>:M4"I4"I=:=>-4">6"O6:="I6"6I47=:8p>8K63""H"I=:=>-4"J"/656"6"85K6>L6"9;";=K4":KF>KOK86.KD4"="/56[=54:4"I=":="=d/5=::65"="I="5=/5=:=>.65N"=7="/=5;=K6"I4K:";9>I4:N"4"5=67"="4"K;6FK>c5K43"

Page 17: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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a]Z\"b"cd\def"gehZeYa_"\dieb"jaZidY"d"k ldY""m+"4'(,"5.",0&2:."-$,,$5.6"."'(/*%*,,*"-*:."5*,*(@."'(4$(/':",2%3*"$"-%'(&A-'.6"&.+."%*,2:/$5."5*"*,/25.,"5$"-,'&.:.3'$"*9-*%'+*(/$:6"+$,"&.+"$"5';*%,'5$5*"5*"*9-*%'+*(/$)8*,"%*:$&'.($5$"$."/*+$6";=%'$,"=%*$,"5."&.(@*&'+*(/."@2+$(."&.+.B"$"-,'&.:.3'$6"$"-*5$3.3'$"$",.&'.:.3'$"*"$"*,/0/'&$"1*(*4'&'$%$+<,*"&.+"*,,*,"*,/25.,>"I*32(5."J*%5'&KB"""

Page 18: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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ab"Ecdef"-/32"g#h#ij#k="FGGe="/D"cIJ"i(&(.B-,"-+"-8-&+".4+"&("',-'-"2("3)"5(&'+")(8l.%8+="8-2-")+9%)(.'+"'()"3)"&%5.%7%8-2+"&%)?@*%8+"("('-/-&":3("&4+"8*-&&%7%8-2-&"2("-8+,2+"8+)"-"(9+*304+"2(&'(&"',-0+&"("2("-8+,2+"8+)"-"%2-2("2-"8,%-.0-D"i(&(.B-,"/-,-"-"8,%-.0-"<")3%'+"&%5.%7%8-'%9+"("/,-A(,+&+",(/*('+"2("($/,(&&4+"("2(",(/,(&(.'-04+"(":3("',-.&%'-"(.',("+",(-*"("+"%)-5%.6,%+D"gm,(2%(3"EFGGe="/DcHJ"-7%,)-":3(K"" "Nn"WU[]o["POU\UV["Pp"qTWQ[QTUWR"WTYTWOrWUR"QT"XU]RX"W_sURX"t"&+*="?+.(8+="8-&-=".-9%+"u="&%5.+&"()?*()6'%8+&"83>+".v)(,+"-/-,(8("%2C.'%8+"-',-9<&"2("'+2-&"-&"/,+2301(&"%.7-.'%&="-"2(&/(%'+"2-&"q[WU[owTX"YWrYWU[X"Q["UQ[QTab""#&'("(&'32+")(.8%+.-,6"+&"/(&:3%&-2+,(&"x(-."y%-5('"("z(+5(&"{(.,%"|3:3('"/-,-"-"73.2-)(.'-04+"2-"'(+,%-"-"8(,8-"2-&"}-&(&"2+"i(&(.B+"j.7-.'%*D""x(-."y%-5('"EcIdeucdIGJ"/&%8@*+5+"("7%*@&+7+"&3;0+="8+.B(8%2+"/(*+"&(3"',-?-*B+"/%+.(%,+".+"8-)/+"2-"%.'(*%5C.8%-"%.7-.'%*="/-&&+3"5,-.2("/-,'("2("&3-"8-,,(%,-"/,+7%&&%+.-*"%.'(,-5%.2+"8+)"8,%-.0-&"("(&'32-.2+"+"&(3"/,+8(&&+"2(",-8%+8;.%+D"~&"&(3&"(&'32+&"'%9(,-)"3)"5,-.2("%)/-8'+"&+?,("+&"8-)/+&"2-"y&%8+*+5%-"("y(2-5+5%-D"M(53.2+"�(&&-K""" y%-5('"8B(5+3"Z"8+.8*3&4+"2(":3("-/,(.2()+&"-"/-,'%,"2-"-04+"2+&"&3>(%'+&"&+?,("+&"+?>('+&="()":3("+"&3>(%'+"<"&()/,("-:3(*(":3("?3&8-"+"8+.B(8%)(.'+�"+"+?>('+"<"-:3%*+":3("&("2(&(>-"8+.B(8(,"("-"-04+"($(,8%2-"/(*+"&3>(%'+"&+?,("+"+?>('+"<"&()/,("3)-"%.'(,-04+D"EFGGe="/DHHJ"""#.'4+"2(&(.B-,"<"3)-"-'%9%2-2(",(-*%A-2-"8+)"+"+?>('+="-"8,%-.0-"2(&(.B-"+":3("&3-&"(&',3'3,-&")(.'-%&"/+&&%?%*%'()":3("(*-",(/,(&(.'(D""y%-5('"

Page 19: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!""#$%&'$"()"%()$)"#$"#$)$'*+,*&-$'.+"#+"#$)$'/+"&'%('.&,"0+-+")$'#+1"2(3(.45("6#$)+3#$'(#("$"+3#$'(#(78"93:"$);4$-(.&)-+8"$);4$-(.&)-+8"3$(,&)-+"$"9)$4#+"'(.43(,&)-+<""=>?>@AB>1"C(D"9(3.$"#("%()$"EFGEHIJK"LKMKINO"6P"("Q"('+)7"$"9(3.$"#("%()$"RISTKRFINMHIJNU"6Q"("V"('+)7<"W"03&('X("#$-+').3("$Y.3$-+"93(D$3"$-"#$)$'/(3"'$).("%()$<"W"%&Z43("/4-('(":"&'$Y&).$'.$"+4"9+#$"(9(3$0$3"#$"-('$&3("&-(Z&'[3&(<"W"0+3".$-"4-"9(9$,")$04'#[3&+8")43Z$"+"&'.$3$))$"9$,+"0+'.3().$8"-()"'\+"/["&'.$'X\+"]KGE]JFGMF<"W"%()$"#("Z(3(.45("9+#$")$3"#&*&#&#("$-"+4.3()"#4()"9(3.$)1"_FEKIaFGNaN1"b)"-+*&-$'.+)")\+"(-9,+)"$"#$)+3#$'(#+)8"'$).("$.(9("("03&('X("$).["%(D$'#+"4-"$Y$30c0&+"$-"#$)$'/(3<""""""""""""""""""""""""""""" "defg"h"C+'.$1/..91iijjj<93+%QPPP<9.i4)$3)i/50+i*&)$4j$kiZ3(*()0+i)$'.&3</.-""_lIaFGNaN1"-+*&-$'.+)"93$#+-&'('.$-$'.$"0&304,(3$)"$",+'Z&.4#&'(&)8"]KKIaFGNmnK"oJEKTLKMKINp8"("%&Z43("/4-('("9+#$")$3"3$93$)$'.(#("#$"-('$&3("&-(Z&'[3&(8"$Y9,+3(X\+"#+".3(X(#+8"&'.$3$))(q)$"9$,(3"%+3-()<"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" "rstuvwx"yz{ts|}"~��������"������}"�{�s"ws"ws�sv�x��z�sv|x"ws���z|{"�x�"yz{ts|"xvws�"{""�{�|z�"ws"�s��s�x�"vsu�x��tz�x�"���z�x��"x"�s��"�x�s�{"{"�xv�|�uz�"s��us�{�"ws"{��x"�{�{"{��z�z�{�"�sv|{��sv|s"x"�szx�"�{�uw"�x�s��" !!��"��"!"{" � "¡"rstuvwx"yz{ts|}"¢�£�"¤¥��������}"¦{��§�"�{�{wx"ws"s�|�tzx"w{"©v|s�zt�v�z{"�z����z�{�"�{�{�|s�zª{«�s�"��zv�z�{��sv|s"�s�{"zv|s�zx�zª{��x"ws"s��us�{�"ws"{��x"�xv�|�u¬wx�"vx"s�|�tzx"{v|s�zx�"��sv���zx«�x|x� �"­"��z{v�{"ws�|s"s�|�tzx}"�x��uz"�s��s���x"t�x�{�"�s�"wz���z�zv{�"ws|{�s��"®�s���x�}"x�|�{�«�s"�{�{"{"��z{v�{�"wu{�"�x�zv{�"ws"�{��{"ztu{z�"s"w�«�s"{"u�{"ws�{�"{"�x��{"ws"�{��z�{�"­"��z{v�{"vst{"�us"{"�u{v|zw{ws"ws"�{��{"�xv|zvus"ztu{��"�xz�"{�"�x��{�"��x"wz�s�sv|s��"°�x"�s�{�zxv{"{�"�z|u{�±s��"�{�uw"�x�s��" !!��"��"!"{" � "²"³��������"vs�|s"�sv|zwx"�ztvz�z�{"�us"{�"�x�s�"��x"u|z�zª{w{�"�s�"�u{��us�"��sx�u�{��x"|§�vz�{�"""µ"¶���"������}"�{zx�"�xx�wsv{��x"vx�"�x�z�sv|x��"�xv��zsv|zª{��x"ws"�su"�x��x"s"w{�"�x�|u�{��"

Page 20: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" """""""""""""""""""""""" "#$%&"'"()*+,-".++/-001112/3)(45552/+067,370.89)0:;7,61,<0=3>:>79)07,*+;32.+?"""@,7+>"(>7,A">"7,*7B3;)"?)+)3>"C5">"4">*)7D","/>3+,"E>"(>7,"/3FG)/,3>+B3;>"C4">"H">*)7DA"I"JKLMJNNOP"Q"RS"TPUP"NVSWXYVZP"[J"\]_]`abc]"defagd\hA")"7i?<)j)"8k",l;7+,A">7"()3?>7"7m)"?6;+>7":,n,7";33,9)*.,9i:,;7A"?>7"*)";?>=;*k3;)">/>3,9,?"7)jA"j6>A"9>7>",*+3,")6+3)72""o;*E>"E,*+3)"E)",7+k=;)"/3FG)/,3>+B3;)A")">6+)3"76=,3,")6+3>"(>7,"*)"E,7,*:)j:;?,*+)"E)"E,7,*.)A")"pqrs"tuvwtxyz{ux|A">}6;">/>3,9,">"E,79)<,3+>"E>"3,j>~m)",*+3,"E,7,*.)A"3,>j;E>E,",")"/,*7>?,*+)A">"(;=63>".6?>*>"F"3,/3,7,*+>E>"7,=6*E)">)7"7,67"/3B/3;)7"9)*9,;+)7A",?"3,j>~m)"�7"9)3,7A"+>?<F?"7m)",l/3,77>7"9)?"<>7,"*)7"9)*9,;+)7",?)9;)*>;7A")6"7,8>A"3,9)*.,9,*E)"7,67"/3B/3;)7"7,*+;?,*+)72""@)",7+k=;)"E>7"�_]c�� "�da�]bc�"}6,":>;"E)7"H">)7"�5">*)7A"763=,")"tuvwtxyz{ux|�">}6;">/>3,9,?",7}6,?>7"3,/3,7,*+>+;:)7"C"9>7>A"k3:)3,","7)j"*)"9>*+)"76/,3;)3"E;3,;+)"E)"76/)3+,DA"763=,?")7"/3;?,;3)7"9)*9,;+)7""E,(;*;E)7"E,",7/>~)","E>"(;=63>".6?>*>A"?>7"*,7+,"9)*+,l+)".k"E,7:;)7"E,",7}6,?>"9)?)",l>=,3)7",")?;77�,7A"/)3",l,?/j)A")?;+;3"?,?<3)7"E)"9)3/)")6",l>=,3>3"76>7"/>3+,7A"">"9)3"+>?<F?"/)E,"7)(3,3"E,7:;)7"E,"3,/3,7,*+>~m)A"/)3",l,?/j)A"/;*+>3")"7)j"E,":,3E,",">7"k3:)3,7"E,">n6jA",77,7"E,7:;)7"7m)""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""�"�����������"��������"������������ "�"�¡���¢�"£���"�"¤�¥��¦�""¥§��¦�"©§¡ª«�"§"¥�«"©��¥�����§"���¤�"�¬§"�¥�­"§¡®����¤§ "¥"�§�"§"¤��§¡¡�¡"¤�¥��"©�¡°§¤§"±"ª«�"§"�§��¢�"�"§¡®����²�§ "�¥¥§����¤§"§¥"��§���������§¥"�§�"�"���®«�®��"��"¥«�"�¢¬§³""µ�®«�¤§"¶��®��·"����¹º��"»��¼�����·"½"�¡���¢�"¤�¥��¾§�¾�"�§¢¿�¥"¤�"���©§ "�¥©�¢§ "¾��§��¤�¤� "§¡¤�� "��¥«���¤�¤� "À­"©§¥¥«�"�"��©���¤�¤�"¤�"¡�����§��¡"¤�£�¡����¥"�¥©���§¥"�"�Á¥�¡��¡"¤�¤§¥"¤�"¡����¤�¤�³"¬§"¥�"������"�"«��"¡�©¡�¥����¢¬§"���¤���� "��¥"���¤�"¤�©��¤�"¤§"�«�¤§"�§��¡��§"©�¡�"�¦�®�¡"Ã"�Á¥�¡�¢¬§³"Ä�¥��¾§�¾�"�"��©���¤�¤�"¤�"¡�©¡�¥����¡"«��"�¢¬§"�§"¥����¤§"��¾�¡¥§"¤�"«��"����¡�§¡ "��«���¤§"�"�¡��¥£§¡��¢¬§"§Á¥�¡¾�¤�"Å¡�¾�¡¥�Á���¤�¤�Ƴ"ÇÈ��©�§¥·"¤�¥©�À�²¥�"�"­®«�"¤�"¤§�¥"�§©§¥"��"§«�¡§¥ "¤�"£§¡���§¥"¤�£�¡����¥ "©�¡�"ª«�"�"�¡���¢�"¤�®�"¥�"�¥"ª«����¤�¤�¥"�§����«��"�®«��¥³"½"¡�¥©§¥��"±"�£�¡����¾�"«��"¾�"ª«�"�"�¡���¢�"À­"¤�£�¡�����"�¥©���§¥"�"±"��©�"¤�"É¡�£��¡É"�"�¢¬§³"Å�©«¤"ʧ©�¥ "ËÌÌ "©³"Ì"�"Ë�Æ"

Page 21: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!""#$%#$&$'()*+&",(-.-/)'*+")&"$0+12$&3"4)"5)&$"5-')."*)&"+%$#)12$&"6+'6#$()&")6+'($6$"+"789:;<=>?"+'*$"&,#@$0"A&"5+#0)&"@$+0B(#-6)&?"0)-+#"#-@-*$/"$"5+#0).-&0+"')&"#$%#$&$'()12$&?")6$'(,)1C+"*)&"#+,%)&"*-5$#$'6-)'*+"+"&$D+?"'+"$&%)1+?"B"*$&6+E$#(+"+"%.)'+"$")"&,%$#%+&-1C+?"$0"#$.)1C+")"6+#"?"+"%)*#C+"B"+"0$&0+"*+"$&F,$0)(-&0+3""G"H<8IJ>"K9LI79:;<=>"B",0)"6)#)6($#M&(-6)"F,$"5)/"%)#($"*+"$&(N@-+"*$"*$&$'O+.O-0$'(+"*)&"PQRSTUVRW"XYWZSTZTW["\]")'+&_?"0)#6)"+"5-0"*)")#($"$&%+'(a'$)?"-'-6-)")"-'O$&(-@)1C+"&+E#$"&,)"%#b%#-)"%$#&+').-*)*$?")%#$&$'()"%#+5,'*-*)*$"')"#$%#$&$'()1C+"%-6(b#-6)"$")"%#$+6,%)1C+"6+0"$D%$#-c'6-)&"$0+6-+')-&3"4)"5-@,#)"d,0)')")&"6)#)6($#M&(-6)&"&$D,)-&"&C+",0"()'(+"$D)@$#)*)&?"6+0")"%#$&$'1)"*)&")#(-6,.)12$&"$"'+12$&"*$"%#+%+#1C+3"e)-+#"6+'&6-$'(-/)1C+"'+",&+"*)"6+#3"f$'*c'6-)"A")E&(#)1C+3""g)#)"6+'6.,-#"g-)@$("$"h'd$.*$#"*$&6#$O$0")",(-.-/)1C+"*)&"5)&$&"*+"*$&$'d+"-'5)'(-."%)#)"($&($&"*$"*$&$'O+.O-0$'(+"-'($.$6(,).?"6-()'*+i""" "jklm&$?")&&-0?"F,$")"$O+.,1C+"*+"*$&$'d+"B"&+.-*N#-)"6+0"(+*)")"$&(#,(,#)1C+"*+"$&%)1+?"6+'5+#0$"+&"*-5$#$'($&"$&(N*-+&"*$&&$"*$&$'O+.O-0$'(+3"4C+"B?"0,-(+?"%)#)")*0-#)#"F,$"+"*$&$'d+"*)"6#-)'1)"nopqr"stuvut"woxyvx"uo"nowno"uo"uowopytzyv{opnt"vpnozo|n}rz~�"\]���?"%3��""""""""""""""""""""""""""""""""""""""""""""""G,(#+"$&(,*-+&+"*+"*$&$'d+"-'5)'(-."5+-"�$+#@$&m�$'#-"�,F,$("\]���m]���?"%#+5$&&+#"5#)'6c&?"F,$")(#)OB&"*+&"*$&$'d+&"*$"&$,&"5-.d+&"$&(,*+,")"$O+.,1C+"*+"*$&$'d+"-'5)'(-.3""G"0)-+#"0B#-(+"*$"&$,""(#)E).d+"5+-")E+#*)#"+"*$&$'O+.O-0$'(+"*+"*$&$'d+"&$0"F,).F,$#"E)&$"($b#-6)"%#$O-)0$'($"*$5-'-*)"$"&$0"F,).F,$#"0+*$.+"*$"*$&$'O+.O-0$'(+"6+@'-(-O+3"g-)@$("*$&6#$O$"+"(#)E).d+"*$"�,F,$(i"j�tw"wo}w"|�zo�xow"own}utw"wt�xo"t"uowopqt"vp�rpnvz�"�,F,$("%#+%�&"RWZ����W�"$"-'($#%#$()12$&"F,$"6+'(-',)0"ON.-*+&")(B"d+�$"�333�\]���?"%3��3"�,F,$("*-O-*-,"$0"$&(N@-+&"&,)"%$&F,-&)3"�)*)"$&(N@-+"B"6)#)6($#-/)*+"%+#",0)"$&%B6-$"*$"#$).-&0+3"�$@,'*+"+"),(+#?")"6#-)'1)")+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""�"������ "¡¢£��¤¥"¦§©ª«¬­"®­°©ª°ª­"±²"¦§©ª«³±"±©µª¶·""¹�º¹�»��¤£¼½ "£� ¹£"º�¹¾¢¤�"£"£¿»¤¹£¼½ "¤ ¤£ÀÁ""¹¢£�¼£"�½ "»�"À¢¾¢¤£"¾£¢»"£"¹�º¹�»��¤£¼½ "¢¾��¢£¤£"��¾"» ¾��¤�"û"¹�À£¼Ä�»"º¹�Å¢£¾��¤�"�Æ¢»¤��¤�»Ç"¾£»"È"£º£É"��"º��»£¹"�¾"¤ �£»"£»"¹�À£¼Ä�»"º »»ÊÅ�¢»"À �¢Â£¾��¤�"¿�»Â£�� "» À�¼Ä�»"£"º£¹¤¢¹"��"Ë¢ºÌ¤�»�»"�"�½ "£º��£»"º�À£" ¿»�¹Å£¼½ "�£"¹�£À¢�£��Á"»"�»¤¹�¤�¹£»" ��¢¤¢Å£»"�£"¹¢£�¼£"£À£�¼£¾"»��"�ÊÅ�À"¾£¢»"�À�Å£� "��"��»��Å ÀÅ¢¾��¤ "�"¤ ¹�£¾Í»�"£º¤£»"£"£ºÀ¢Â£¹" "¹£Â¢ ÂÊ�¢ "ÀÌ�¢Â "£"¤ �£»"£»"ÂÀ£»»�»"��"º¹ ¿À�¾£»Á"ÎÆ�¾ºÀ »¥"��"ÀË�"º���¾"º£¹£"£�£À¢»£¹"�¾"º¹ Åȹ¿¢ " ¾ "Ï��"�¹½ "�¾"�¹½ Ç"£"�£À¢�Ë£"��ÂË�" "º£º ÏÇ"£"¹¢£�¼£"¤¹£¿£ÀË£" ¾"£"ÀÌ�¢Â£"�£"¢�È¢£"о�¤ÑÒ ¹£Ó"�"�½ " ¾"£"¢¾£��¾"��"�¾£"�£À¢�Ë£" ¾��� "�¹½ »Á"Уº��"Ô º�»Ç"!ÕÕÖÇ"ºÁ"Õ"£"!×Ó"Ø"Ù­°ÚÛܱ­¥"»�¿»¤¢¤�¢�� "£"º£À£Å¹£"Ò¹£�Â�»£"º�À "�Ý�¢Å£À��¤�"�¾"º ¹¤���Þ»"»�¹¢£"­°Úßܱ­Á"

Page 22: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!!"#$#%&'(!)*!+#*'!,)!,-.#+,!/%$0/('1$#!%2,!%,!*,"#3,!",!,-.#+,!#!$/*!%)*'!/*'4#*!$)-.#+/5'!,)!*#%+'36!7$$/*!,!"#$#%&,!8!)*'!9,(*'!"#!(#0(#$#%+':2,!*#%+'3!;)#!'!<(/'%:'!+#*!",!,-.#+,=!%2,!%#<#$$/+'%",!"'!0(#$#%:'!9>$/<'!"#$+#!,-.#+,6!!?);)#+!(#$$'3+'!;)#!0'('!)*!'")3+,!,!,-.#+,!"#5#!$#(!(#0(#$#%+'",!9/#3*#%+#!'!$)'!'0'(@%</'=!.A!0'('!'$!<(/'%:'$=!,!"#$#%&,!0,"#!$/*03#$*#%+#!$#(!0'(#</",!<,*!,!,-.#+,!#!<,%+#(!+,",$!,$!#3#*#%+,$!(#'/$!",!,-.#+,=!*#$*,!;)#!/%5/$>5#/$!',$!,)+(,$6!7/%"'!0'('!,!')+,(=!'!<(/'%:'!#$+'-#3#<#!)*!$/4%/9/<'",!0'('!,!"#$#%&,!;)#!0(,")B!#!'!0'(+/(!"'>=!$#*0(#!;)#!"#$#%&'(!'!*#$*'!9,(*'!,!$/4%/9/<'",!$#(A!$#*0(#!,!#$+'-#3#</",!'%+#(/,(*#%+#=!'!<(/'%:'!$#*0(#!-)$<'!)*'!/%+#%:2,!(#'3/$+'!0'('!,!"#$#%&,=!*'$!#$+#!(#'3/$*,!0,"#!$#(!"/$9'(:'",!0#3'!/*0#(9#/:2,!"'!(#0(#$#%+':2,6!!C,!4#('3=!;)'%",!'!<(/'%:'!-)$<'!,!(#'3/$*,!%,!"#$#%&,!%2,!$#!0(#,<)0'!#*!(#0(#$#%+'(!9/#3*#%+#!,!,-.#+,6!7!<,%$</@%</'!"#!+#(!-)$<'",!,!(#'3/$*,!8!,!$)9/</#%+#!0'('!;)#!<,%$/"#(#!;)#!,!#%<,%+(,)6!?);)#+!<3'$$/9/<,)!'$!9'$#$!",!"#$#%&,!/%9'%+/3!#*!;)'+(,!%>5#/$!"#!"#$#%5,35/*#%+,D!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!EFGHIJKL!MLNOPIOLQ!#*!+,(%,!"#!R!'%,$=!%#$+#!#$+A4/,!'!<(/'%:'!'-'%",%'!,$!('-/$<,$!#!<,*#:'!'!"'(!$#%+/",!'!$)'$!(#0(#$#%+':S#$=!+(':'!$/4%,$!#!"#$<,-(#!$#*#3&'%:'!!#%+(#!,!,-.#+,!#!,!+(':'",T!EFGHIJKL!MNGUGJJGVLQ!#%+(#!W!'!X!'%,$=!'!<(/'%:'!0'$$'!'!(#0(,")B/(!'$!9,(*'$T!EFGHIJKL!YZOFHFUOPGHQ!#*!+,(%,!"#!X!'+8![\!'%,$=!%#$+#!#$+A4/,!'!<(/'%:'!"#$#%&'!,!;)#!$'-#!",!,-.#+,!#!%2,!';)/3,!;)#!5@=!<(/'%",!03'%,$=!+('%$0'(@%</'$!#!*/$+)('%",!]%4)3,$T!EFGHIJKL!IJPGHQ!#$+#!#$+A4/,!'<,%+#<#!0,(!5,3+'!",$![R!'%,$=!';)/!$)(4#!_!%,:2,!"#!0#($0#<+/5'6!!%#$+#!#$+'4/,!;)#!?);)#+!#$+'-#3#<#!,!9/*!",!"#$#%&,!/%9'%+/3=!<,%$/"#('%",D!ab666c!$)(4#!)*!#*0,-(#</*#%+,=!)*!#%d)4'*#%+,!0(,4(#$$/5,!",!4('9/$*,=!;)#!0#("#!$#)!&)*,(!#!+#%"#!'!.)%+'(1ef!g!hijklmnfe!gklopgeqr!s'0)"!tu(#"/#)=!R\\v=!06RRw!x$!#$+)"/,$,$!",!"#$#%&,!/%9'%+/3!'0(#$#%+'",$!%#$+#!#$+)",=!*#%</,%'*!<#(+,!"#$/%+#(#$$#!0#3'!3/%4)'4#*!",!"#$#%&,!0,(!0'(+#!",$!'",3#$<#%+#$=!yjifzig!g{zi|g!}lf~!a�f!pjkg!�izg�mg!"#$#%&'6!7!*'/,(/'!"#$+'$!<(/'%:'$!;)'%",!<(#$<#!"/BD!a��!���!���!�������������!#!+'*-8*!%2,!<(/'!*'/$!&/$+�(/'$=!#%")(f�f!efl!�jihj!f!��j!�g�pg!|gzerqs![���=!06�\w!�$+'$!<,%<3)$S#$!

Page 23: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!""#$%"&'()*#"+'",-*"-*.'(/*"*0/*.1'.)'2"3%-"0*#'"'-"4'#5,(#*#"'"'64'/(-'.)*78'#9"":#"&*#'#"+'#3/()*#"4';%#"*,)%/'#"#$%"'#)<1(%#"/';*)(=%#2"'"3%-%"><"-'.3(%.*+%2".$%"4%+'/$%"#'/",#*+%#"+'"&%/-*"/?1(+*"4*/*"-*/3*/"*#"')*4*#2"#'.+%"5,'"3*+*"(.+(=?+,%"+'#'.=%;='@#'"3%1.()(=*-'.)'"'"(.)';'3),*;-'.)'"3%.&%/-'"*"-*),/*7$%"0(%;A1(3*"'"#,*"(.#'/7$%".%"-'(%"'-"5,'"=(='9""""""""""""""""""""""""""""""

Page 24: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!""#"$"%&"'(%)*&+*,-*&"" ./0/"12340556750"75"3/6580/"3/89"/34:/"2";53/"759;/"459<=89/>"950?"/405956;/7/"659;5"1/4@;=:2>"=3"A05B5"98C68D81/72"72";5032"EFGHIJKILMI>"/"953N6;81/"7/"4/:/B0/"5"<=/89"/9"D/8O/9"5;?08/9"<=5"75:838;/3"59;/"D/95P""""Q5C=672"2"R9;/;=;2"7/"S08/6T/"5"72"U72:59156;5>":58"6V"WPXYZ>"75"[\"75"]=:2"75"_ ab"cdefgh"ijk"lmhnofpqdrs95"108/6T/>"4/0/"29"5D58;29"759;/":58>"/"45992/"/;t"72u5"/629"75"87/75"861234:5;29"5"/72:59156;59"56;05"72u5"5"pqvhfeh"rnho"pq"fprpqwb"xy"r"zdgrnfvr{|h"}~npfr�"pq"�r�pq"75D865"/"/72:591�618/"<=5"1234055675"2"450@272"56;05"[X"5"[Z"/629"75"87/75P""RO89;53"3=8;/9"75D868T�59"4/0/"1/0/1;508u/0"/"/72:591�618/P"U:C=3/9"75D868T�59"95"/402408/3"75"126158;29"402B56856;59"75"B?08/9"?05/9"72"126518356;2" =3/62>"1232�"/"49812:2C8/>"/"57=1/T�2>"/"D8:292D8/"5"/"3578186/P"�?"/867/"2=;0/9"75D868T�59"<=5"=;8:8u/3"D/8O/9"5;?08/9"1232"t"2"1/92"7/"�0C/68u/T�2"�=678/:"7/"Q/�75P"""R3"=3"956;872"3/89"9834:8D81/72>"/"/72:591�618/"t"/"D/95"<=5"1234055675"=3"594/T2"75";5342"56;05"/"D/95"86D/6;8:"72"8678B@7=2"5"/"D/95"/7=:;/P"S/0/1;508u/s95"420"78B509/9";0/69D203/T�59"<=5"42753"950"D@981/9>"356;/89"5"9218/89P"�/01/";/3At3"=3/"D/95"75"789;/618/356;2>"2675"950"108/6T/"6�2"t"3/89"4299@B5:"5"950"/7=:;2"/867/"t"=3/"861�C68;/P"U9";0/69D203/T�59"356;/89"9�2";�2"56D?;81/9"<=/6;2"�9"D@981/9"5"/9"9218/89>"t"=3/"D/95"53"<=5";0/694/0515"1/4/187/759"5"12345;�618/9P"Q5C=672"�5"./=:/"5"�56726T/�"wU405956;/s95"45:/"1/4/187/75"75"723@682"75"1/;5C208/9"/A9;0/;/9"123"/"783569�2";53420/:";23/672"594/T2>"42998A8:8;/672"=3/"3/89"/A0/6C56;5"/6?:895"75"9=/"/=;26238/"5"75"9=/"754567�618/wP"��XXZ>"4P[�X�"U"4/:/B0/"EFGHIJK�LK�E"eq�"o~r"hdfgq�"qef�h��gf�r"nh"�ref�"lrpw"��rdr�"�"lh�qo�qdqw"��dqo�qd��"oqnph"�~q"2";5032"EFGHIJK�LK�E";508/"2"98C68D81/72"75"9;081;="9569="2="K�IJKI�"�E�EP".569/0"6/"208C53"7/"4/:/B0/"629":5B/"�"8758/"75"75956B2:B8356;2>"105918356;2>"7894298T�2"4/0/"3=7/6T/9P""R9;/"D/95"95"1/0/1;508u/";/3At3>"45:2"7595]2"75"/=;26238/>":5B/672"2"8678B@7=2"/"4021=/0/0"0592:B50"402A:53/9"75"D203/"/0C=356;/;8B/>"9=0C5"2"56;5678356;2"72"98C68D81/72"75"/A9;0/T�2>"659;5"956;872"3561826/".8/C5;�""""

Page 25: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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ab]c\"deeefge"@"FGGh9"&3"HFAJ""i%.=(5-"*"&%50*)$*"%"&'04*(*20')*"L$*(4%'*"j$*(+-0'%"k-2)-"@ABGDlABDDJ9"*=)-$*"5%"7Q$0-'"207$-'"'-1$%"*"&'04-2-.0*"5%"4$0*(+*'"%"*5-2%'4%()%'9"-'"'%$%'">=/*(-'9"%/"$%2*+,-"*-"&$?&$0-"4-$&-9")O/"5-0'")0&-'"5%"0/*.%/T"m"nomp"%"*"qrstuprvm3"#"nomp"'%$0*"$%L%$%()%"W'"4*$*4)%$<')04*'"L<'04*'9"PQ"*"qrstuprvm9"'%$0*"=/*"'-/*"5%"'%()0/%()-'9"5%'%P-'"%"%/-+6%'"&$-7%(0%()%'"5-"0/*.0(Q$0-"%"'%()05-"N=%"5*/-'"*'"(-''*'"%8&%$0O(40*'3"K*"*5-2%'4O(40*9"%''*'"5=*'"&%$4%&+6%'"'-L$%/"=/*"':$0%"5%"*1*2-'3"@FGGD9"&3"B"*"hHJ"#"&=1%$5*5%9"N=%"',-"=/*"':$0%"5%")$*('L-$/*+6%'"20.*5*'"W"/*)=$*+,-"'%8=*29"N=%"*4-()%4%"(*"*5-2%'4O(40*9"&%$/0)%"N=%"*"0/*.%/"$%*2"'%"/-50L0N=%9"-"4-$&-"&*''*"*"4$%'4%$"5%"L-$/*"*4%()=*5*"%"70'=*2/%()%"&%$4%&)<7%29".%$*(5-"4%$)-"4-(L20)-"%"&$-12%/*'"5%"*4%0)*+,-9"2%7*(5-"-"*5-2%'4%()%"*"$%P%0)*$"*"'=*"&$?&$0*"0/*.%/3"w''-"*4-()%4%9"&-0'9"*"0/*.%/"'0/1?204*"N=%"%2%")%/"5-"4-$&-"*0(5*":"4*$$%.*5*"5%"0(L*()0205*5%9"N=%"%()$*/"

Page 26: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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a:),*/"62/%*$")#:)&+2b,)":#)/&'*?#'/":)a1,$&/"+*")#*3,+*+#"U"%&$"*)(,%23*-#/U"$&;,$#'(&/"#"+#(*3=#/"+#")&2:*/"92#"JMcQRJKdJQ"c"eHF"fFFQ"Jc"EFH"NFIcNCg"hijjkU":7"il"#"ik]"""m"*+&3#/%W'%,*"%&$:)##'+#"2$":#)Y&+&"+#"?)*'+#/"()*'/<&)$*-#/"<Y/,%*/"#":/,%&3a?,%*/"+&",'+,;Y+2&7"n//*/"()*'/<&)$*-#/"/2)?#$"+&"<*(&"+#"92#"/#)"%),*'-*"'.&"4"$*,/":&//Y;#3"#"'#$"+#/#0\;#3"#"/#)"*+23(&"4"2$"<*(&",$,'#'(#"92#")#92#)"*02/(#/"*"*+*:(*-#/"*&"$#,&"#"*"'&;*/"<&)$*/"+#"*?,)"#":#'/*)7"" """"""""""""" """ "

Page 27: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" #$"%&'()*+,-."/"0'+12."""345678"9:"89;"<=>?7"@AB;C4DE7"9"F=86G?=48"9:"H;4B?=5I78J"K<I4?98"B4"L4=M4B4"3456=864NO"4P=?:4"Q;9"R788=>9<:9569"S"46?4>S8"B78"T45UV8"9"B48"F=86G?=48"9:"H;4B?=5I78"WFHX"Q;9"78"4B7<98C95698"R7B9:"9864?"?9B98C7Y?=5B7"7"B9895I7"C7:7"P7?:4"B9"?9R?989564DE7J"@Z[\]_"a"@bcdbefghfcigcNj"@ka"l7>958"Q;9"B9895I4:":45=P9864:"8;4">7564B9"B9"P4m9?"C4R48O"CI4?U98O"no\pnoq[\oa""no\q[raNj"stuuvO"Rw"xyX"z48"{<6=:48"BSC4B48"69:78"488=86=B7"4"9>7<;DE7"B9";:"57>7"P95|:957"C;<6;?4<"B9":4884O"7?=;5B78"B7"l4RE7O"78":45UV8"9"45=:98"}"Q;4B?=5I78"9"B9895I78"45=:4B78"~4R759898"}"Q;9"8E7"?9R?989564D�98"Q;9"89?>9:"B9"=58R=?4DE7"R4?4"4B7<98C95698"9"~7>958"Y;8C4?9:";:4"57>4"P7?:4"B9"C?=4?"B9895I78"9MR<7?45B7"4"9MR?988=>=B4B9"B4"<=5I4O"C756?4869"B9"<;m"9"87:Y?48O"95Q;4B?4:9567"B964<I4B7O"R9?:=6=5B7"Q;9"4"4Y86?4DE7"B4"?94<=B4B9"P<;4"89:"R?97C;R4DE7"C7:"7"?96?464?"P767U?4P=C4:9569w"39U;5B7"�9?U;9=?7"9"�4:78J"" ""@ka"��qp_ a"ora"q_"�o[qo�"o"�\ar�o"�oa"I=86G?=48"9:"Q;4B?=5I78"54"98C7<4O"64567"C7:7"46=>=B4B9"B9"<9=6;?4"64567"9:"R?V6=C48";84B48"9:"84<4"B9"4;<4w"�78"R4?�:96?78"C;??=C;<4?98"W��z8X"47"�?7U?4:4"z4C=754<"L=Y<=769C4"54"A8C7<4"W�zLAXO"I7;>9";:4"]\o�oqp�o"pra\��"�"q_o"ro"�\o"�[nonpro�"�\oap�p\oNj"stuu��"RwyX""K8"FH8"9"78"T45UV8"R7B9:"89?"95C756?4B78"9:"?9>=8648"98R9C=4<=m4B48O"54"=569?596"9"9:"B9895I78"45=:4B78"54"��O"9<98"6�:"Y4=M7"C;867"9:"8;4"4Q;=8=DE7"9"R?7B;DE7O"4"4?69"9"7"69M67"8E7"B=5�:=C78"9"C756?=Y;9:"R4?4"67?54?"7"U�59?7";:"P95|:957"B48":48848w"""#��$-"%��"���"��",��������"��"%�� ��¡¢��""39U;5B7"�4??4:G5"9"L<48C7O"F=86G?=4"9:"H;4B?=5I78J"" "@£www¤"S";:4"54??4DE7"U?VP=C4O">=8;4<=m4B4":9B=4569"8S?=9"B9"Q;4B?78"B9895I4B78O"4"R4?6=?"B9";:"?769=?7"R?9>=4:9569"98C?=67"9:"Q;9"9M=869"[_"�\aro]_"nrq\o�"_"��qo"�"¥[o�"]p\o""o\][_ rqNj"s¦§yO"Rw"x©X""�758=B9?4:78O"R4?4"45V<=89O"78"Q;4B?=5I78"C7:7"P95|:957"?9C9569O"R?7B;67"C;<6;?4<"B4":7B9?5=B4B9O"9:Y7?4"4"54??46=>4"9:"Q;4B?78"R7884"69?"

Page 28: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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ab"cdeefg"hbei""S"*/+'30#"9%30K3%#"4*/"jk/"'"/8*">%)&8*&'("/%(+>'/"+#4'("'/0*$"/'"0#$)*)4#"8("3*(+#"*(+>#"'"9,$0%>"+*$*"*"3$%*B@#"4#/"(*%/"4%5'$/#/2"9*)0*/%#/#/"'"3$%*0%5#/"+'$/#)*&')/"'"')$'4#/6""" "lmno"p"q#)0'G"r3'$5#"+*$0%38>*$""

Page 29: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" """""""""""#$%&"'"()*+,-"./,01)"230+4/5630""" "#$%&"7"()*+,-"./,01)"230+4/5630""

Page 30: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" #$%"&"'()"*+,-,"./012+/)"3)0"450"67"8+)0/9":;"<=>?@ABCD;"BD"E@>;AF"GHI"=I>"FDBJ>"CA;GK@A>L"<=M"NDIMO>"BD";PN=FD"QRQS"T=>"D@AJMI"P"ABNM@G>"M";MJ=B?D"IMBNADB>"U>@V>FCDW"" XYZ"Z[BC>;"\>FM;G@>;"\>@>"\@D]M;;D@M;"?M"GD?D"D"\>;L"ND;G=ID"?A_M@"<=M"<=MI"BD";>aM"<=>B?D";=@JA@>I">;"CA;GK@A>;"MI"<=>?@ABCD;""\D?M";M"NDB;A?M@>@"=I"Mbcdef"BD">;;=BGDS"R;;D"\D@<=M"BABJ=PI"\D?M">]A@I>@">D"NM@GDL"<=>B?D"MF>;";=@JA@>IW"?M]ABA@"<=>B?D"]DA"]MAG>">"gh[Zi[hj"kl"m"nZj"ojhipj"q[prs[t"i"unvwio[xjyz"{|}}~�"gz"|��"""UDB;A?M@>�;ML"MBGDL"<=M">"\@AIMA@>"��"BD"E@>;AF"]DA"N@A>?>"\D@"�BJMFD"�JD;GABAL"<=M"ABANAD=">"AB;M@OD"?D;"<=>?@ABCD;"MI"�D@B>FL"\@DIDVMB?D">;;AI">"N@A>OD"?M"=I>"G@>?AOD"<=M"@M\M@N=GM">GP">">G=>FA?>?MS":;"\M@;DB>JMB;"?M;G>;"\@AIMA@>;"B>@@>GAV>;"]D@>I"�P"U>A\D@>"M"�C���=ABS""""""""""""""""" "" �/�$"�"�DBGMW""CGG\W��B>B<=AISNDISa@������CA;GD@A>�?D�C=ID@�J@>]AND�"""

Page 31: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" #$%&'()"*)+,-."/012)34"4"534(+67)"(4"'43345+84"9+%&34(4"$:+;5+;;$"')"<4=;"($;($")"9+'4>"()";?@&>)"<4;;4()A"B&4(3+'C);"1$;1)";D"9)341";&3%+3"$1"EFGH"@)1"4"<&2>+@467)"(4"3$8+;54"+'94'5+>"I"JKLMNJKLMOP"QEFFGA"<P"ERS"T)1"4"<&2>+@467)"($;54"3$8+;54A"9)31)&U;$"&14"%$3467)"($"B&4(3+'C+;54;A");"<3+'@+<4+;";7)V"W>93$()"$"X;84>()"#5)3'+A"Y4:"Z4'5)[A"\&=;"#]"$"P"T43>);P""""""""""""""""""""""""""""""""""""""""""""" "_ab"c"d)'5$VC55<VeefffP234;+>@&>5&34P@)1P23ef<U""""""""@)'5$'5e&<>)4(;egGEEeGhe5+@)i5+@)i>4i@4iRPj<%""01"EFRkA"W()>9"W+l$'A"($<)+;"($"&14"8+;+54"4);"0;54();"m'+();A"@3+)&"&14"$;<?@+$"($"542>)+($A")"nopqrsrtuM"vowrtKqxA")'($");"C$3D+;"41$3+@4');"9)341"4<3$;$'54();"4)"<y2>+@)"234;+>$+3)P""zoL{"|M}r~��"�}rtur"nrL~ruM"�N"x�"�q���"�M~�Mt"r"vKs"���"nrqw��P"�);"4');";$%&+'5$;A"W+l$'"53)&:$")&53);"<$3;)'4%$';"@)1)V"��t�~�{r�"z~oLouo�"�~�tLKpr"��qrtur�"J�~��t�"z~KtL{"z~���M~��"�Kt�oL��"�$+"(4"�)>=@+4"Y)'54(4"$"45?"1$;1)"C+;5D3+4;"+'?(+54;"($"�4>5"�+;'$�A"B&$"@)1$6484"4"@C4143"4"45$'67)"<$>)"<$39$@@+)'+;1)"$1"@+'$14"($"4'+1467)P"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""�"�"����������"�� ��¡�"¢"£¤£¥£¦§©¤ª©"«©¤¬ £¤¦«¬"­®§© ©¤ª¬"°¤±¦¤ª£§"²"³"±¬£"® ¦"¬¬µª¦"£¤¬¶¦«¬¦"«©"®·§£¥¦¹¬"«©"º»µ"¤¬"¼¦µ£§½"­©¤«¬"§¦¤¦«¬"£¤£¥£¦§©¤ª©"¥¬ ¬"® "ª¦·§¬£«©"µ© ¦¤¦§²"¦¾¤«£¥©"«¬"¿¬¤¦§"«£À£¬"Á"¦¹¬"²"«©¶£«¬"¦¬"µ®¥©µµ¬"©"î©"£©«£¦ª¬²"¦"¦ª£"«¦"©«£¹¬"«©"¤Ä ©¬"!Ų"¥¬ ©¬®"¦"µ©"®·§£¥¦«¬"«©"±¬ ¦"£¤«©©¤«©¤ª©²"§¬Æ¬"¦µµ¦¤«¬"¦"ª©"«®¦µ"¢"©"«©¬£µ"ª¾µ"³"©«£Ç©µ"µ© ¦¤¦£µ½"

Page 32: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" "#$"%&'&"()*"+,-.,/,"0)1"2)3415)"6,1*-7)","148*95,":";*3*%<="-)$4">?4"94"5)1-,1*,"9*-@-*$)"/4"148*95,"4$">?,/1*-7)9"-)"A1,9*+B"C)",-)"/4"%&DE"9?1F*?")"G$*F)"/,":-.,="HI+4314"0419)-,F4$">?4",0,14H*,"-,"148*95,"J)1-,+K95*H,":"L1?M4*1)B"NO"4$"%&PE=","#/*5)1,"G31*+",/)5)?")"QRSTUVWXYRZZ="()1$,5)">?4"F1,/?,+$4-54"94"5)1-)?"0,/1[)"4$"0?3+*H,.\49"31,9*+4*1,9"/4"] 9B"G*-/,"-)9",-)9"%&P<"9?1F*1,$"5,$3I$")9"01*$4*1)9"51,3,+7)9"*-/404-/4-549"/4"L,1+)9"_I(*1)=",?5)1"/)9"L,54H*9$)9">?4"9[)">?,/1*-7)9"415*H)9B"a4F?-/)"L,18,+7)b"" "cde"fghe"igfjkhelme"ngog"lghe"jpgl"qrj"sjqrjnge"pjthefge"jl">?,/1*-7)9"415*H,9=","$,*)1*,"/)"51,.)"41,"3,95,-54"F1)994*1)="$,9">?4"$,1H,1,$","J?84-5?/4"/4"$?*5,9"F41,.\49"-,>?4+,"I0)H,"4"-,9"ejurhnfjevw"x"yzz{|"sw"y}~""#$"(*-9"/4"%&P&"4"*-KH*)"/,"/IH,/,"/4"%&�<="6,?1*H*)"/4"a)?M,"H1*)?"94?9"01*$4*1)9"0419)-,F4-9"�W��"�"�SUX�WXYU"4$"%&P&="���R�WXYU"�"�WV��R"�%&�E�"4"�U���R"4$"�%&�'�B"G"��XW�U"()*"H1*,/,"4$"%&�D="$,9"()*",04-,9"4$"%&�<">?4"F,-7)?"?$,"148*95,"4�H+?9*8,B"G8,-.,-/)"-,"+*-7,"7*951*H,"/,9"01)/?.\49"/4"] 9"-)"A1,9*+=","/IH,/,"/4"%&�<"()*"$,1H,/,"H)$)"14(41�-H*,",9"] 9"/4"G-F4+*="�,4154";+,?H)"4")?51)9=",+I$"/4"148*95,9"H)$)"�"�WS�R�"�YW���V�"�RT"�UXUXU�"��W�S��W�"�RSSU�U�"�R�U�V��"�SU�YU"�"�XWTU"B:"51,3,+7)"/49549",15*95,9"H)-51*3?K1,$"0,1,"495,34+4H41")9">?,/1*-7)9"?-/41F1)?-/%E"-)"A1,9*+B"G"#/*5)1,"#�2#�="(?-/,/,"0)1"6*-,$*"�4*M*"4$"%&��="5)1-)?�94"0*)-4*1,"-)"495*+)"$,-FO"-)"0,K9="4$"?$"$)$4-5)">?4")"$,-FO"4->?,-5)"495*+)",*-/,"-[)"41,",$0+,$4-54"H)-74H*/)=",15*95,9"H)$)")"0101*)"�4*M*"4"L+,?/*)"a45)"/494-7,8,$",9"94>?�-H*,9"94F?*-/)"0,/1\49",$41*H,-)9B"G9"] 9"-)"A1,9*+"F,-7)?"*$0?+9)"H)$","14,+*M,.[)"/,"% "4"E "A*4-,*9"/4"?,/1*-7)9"/)"2*)"/4"N,-4*1)"4$"%&&%"4"%&&'="4","' "4$"%&&�="4$"A4+)"])1*M)-54B":9"484-5)9",H)-54H*,$"4$"/*8419,9"0,1549"/,"H*/,/4"4"4$"H,/,"8419[)"H)-5)?"H)$"0¡3+*H)"/4",+F?$,9"/4M4-,9"/4"$*+7,149"/4"0499),9="H)$","01494-.,"/4"*-¡$41)9">?,/1*-*95,9"*-541-,H*)-,*9"4"01,5*H,$4-54"5)/)9")9"F1,-/49"-)$49"-,H*)-,*9B"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""¢£"¤"¥¦§¦©¦"ª«¬«"­®°®±®²³"µ"¶µ·¹º»¼"¢¢"½¾¿ÀÁ«ÃľÅ"ÆÇ©¦§ÈÇÉÊÇ"¢ "Ë"!¢"ÌÈÍ"ÎÏÐÇ©ÇÉÊÇ"ÎÑ"ÐѩȦÊÑ"¦ÈÇ©Ï̦ÉÑ"ÒÓÇ"Ç©¦""ÎÇ"!£"Ë"!Ô"ÌÈÕ"¢!"ÖÉÎÇ©Æ©ÑÓÉÎÅ"×ÇÆÓÉÎÑ"Ñ"ÎÏÌÏÑÉØ©ÏÑ"ÙÏÌڦǧÏ×Í"×ÏÆÉÏÐÏ̦""×ÓÛÊÇ©©ÜÉÇÑÍ""¦ÉÆÓ¦©Î¦"ÌÓ§ÊÓ©¦§Í"ÌÑÉÊ©¦ÌÓ§ÊÓ©¦Õ""

Page 33: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!! "#$!%#&'&()*&+!,-%&.)/0,.!1,2&3#$4$*$.5!*,6$7,.5!4)8',.5!19#.&.5!:;<!,!7&*&.!&.!7)%&.!*,!$7)()*$*,.=!:&3>#)&!*,!?$'%&.!1&',27$!$!%#)',)#$!6),2$8!*,!@9$*#)2A&.!,'!9'!7,-7&!%$#$!&!B&#2$8!C!DEFGH!IJ!KLE!MHNFEO!EPIJ!IQRS!TUV!WHXYQZQWH[LE!QPYJXPHZQEPHF!J\YJ!]!E!VHQEX!JJPYE!IE!_PJXEab!cdeedO!Wbfg!;&#7$27&!&.!@9$*#)2A&.!2&!h#$.)8!7)(,#$'!9'$!7#$i,7j#)$!*,!*,.,2(&8()',27&!,!1&2.&8)*$/k&!,!A&i,!>!1&2.)*,#$*&!9'!',)&!*,!1&'92)1$/k&!*,!3#$2*,!$6#$23l21)$!,27#,!&.!i&(,2.!@9,!8,($!$!1&27#)69)#!%$#$!&!$%#)'&#$',27&!19879#$8!,!'&#$8!*&.!*,..,.!i&(,2.=!!!mno!p!qrstu!p!vwtswxwyrz{!|!{}wt|~!!?&'!$!92)k&!*,!*&).!)*,&3#$'$.5!���!�A9'&#�!,!��!�)'$3,'5!*,.,2A&�!.9#3)9!$!%$8$(#$!�����5!@9,!>!9.$*$!%$#$!*,4)2)#!@9$8@9,#!A).7j#)$!,'!@9$*#)2A&.!2&!B$%k&5!,'!&97#&.!%$�.,.!&!'$23�!#,%#,.,27$!9'!,.7)8&!*,!*,.,2A&!@9,!$%#,.,27$!*)4,#,27,.!.)32&.!,!)*,&3#$'$.=!�h$7).7,88$5!����5!%=!���! �,392*&!$!$97&#$5!$!&#)3,'!*&!'$23�!>!1A)2,.$!,!2k&!i$%&2,.$!1&'&!'9)7&.!$1#,*)7$'5!%&).5!,27#,!&.!.>198&.!��!,!�!$=!?5!$!19879#$!1A)2,.$!1&27#)69)9!%$#$!4&#7$8,1,#!,!1&2.&8)*$#!&!B$%k&!1&'&!2$/k&=!:$�97,2!�)7$�$�$!�����!�!�����!>!1&2.)*,#$*&!&!%#)',)#&!���������!,!&!1#)$*&#!*&.!@9$*#)2A&.!.,#)$*&.!1&'!%,#.&2$3,2.!#,398$#,.!6,'!1&'&5!&!3#$2*,!)21,27)($*&#!*$!$*&/k&!*$!%$8$(#$!�����!%$#$!*,4)2)#!,.7,!7)%&!*,!$#7,!.,#)$*$=!".7,!#,1&2A,1)',27&!.,!*,9!$!%$#7)#!*&!7�798&!#,1,6)*&!%&#!�)7$�$�$5!.,392*&!�$7&!$%9*!h$7).7,88$+!! ��798&!#,1,6)*&!1&'!$!%968)1$/k&!*,!�&3&.$��!7&!�&�96,!�,2697.95!1&'>*)$!*,!,##&.!.&6#,!*&).!1$'%&2,.,.!@9,!.,!*,%$#$'!1&'!$.!2&()*$*,.!,!&!,.7)8&!*,!()*$!*$!1)*$*,!3#$2*,5!%968)1$*$!,'!����5!2$!#,().7$!B)i)!�$23�!�!����5!%=���!!"27#,!� ��!,!� ��5!¡&�9.$)!%#&*9�)9!9'!1&2i927&!*,!&6#$.!,'!��!(&89',.!#,7#$7$2*&!1,2$.!*&!*)$¢$¢*)$!@9,!&!#&*,$($5!*,4&#'$2*&!&!*,.,2A&!.$8),27$2*&!.,9.!7#$/&.!'$#1$27,.=!".7$.!1$#)1$79#$.!*,!>%&1$!#,1,6,#$'!&!2&',!*,!¡£�¤�C�!�C¥<¦!,!#,%#,.,27$'!&.!%#)',)#&.!%$..&.!*$.!1A$#3,.!,!*$.!A).7j#)$.!,'!@9$*#)2A&.!2&!B$%k&=!��$7&5!�����!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!§ !©ª«©¬­®!©°±²°©³µ²µª¶±²°©!µ!·© ±ª¶¹²!º©»¹ª¼²½!

Page 34: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" """""""""""""""""" #$%&"'(")*+,-."/,,01.223/4,5164+7483*9:09-118;*62<=>?2=@2<=2><A49-AB*+AC*64A64+74A;*65;A1,95012""D1"64+7E1"1F*":5G5:5:*1"-6"HIJKLMNOPQ"*1"RS451"1F*"5+T6-9*1"-":-":5UV;5W":51,5+XF*Q"0*51Q"-6"40-+41"S64"+4994,5G4"0*:-6"4049-;-9":5G-91*1"7Y+-9*1"9-09-1-+,4:*18"Z4:4"7Y+-9*"[S1;4"4,5+759"S6"79S0*":-"W-5,*9-1"-10-;VU5;*1Q"0*9"-\-60W*Q"*"1/]+-6>@""G*W,4:*"0494"*"0T[W5;*"641;SW5+*"-"1F*"/51,_9541":-"4XF*";*6";-+41":-"G5*WY+;54Q"4049-;-6",46[6"+41"/51,_9541Q"4"4654:-"-"4"4XF*8"D1"a/]b*>c"1F*"/51,_9541":-"46*9";*6",-+:Y+;54"4*"U*964,*":-";*+,*1":-"U4:418"dW6":-11-1"-\51,-6"6S5,*1"*S,9*1"7Y+-9*1Q"5+;WS15G-"*1"64+7E1"-9_,5;*1"-"0*9+*79EU5;*18"e494"1-"U4W49"-6"64+7E"+*"f40F*"-"+*"6S+:*""+-;-11E95*"U4-9"9-U-9Y+;54"4"D146S"g-SC4"h>i<cA>ijik8"l6"9-;*+/-;56-+,*"4*"1-S",94[4W/*"mnopqr"s"tuvwxynzryu"{|"}-S1":*"~d�����"U*5"4,94G1":-W-"RS-"41";494;,-9V1,5;41":*"64+7E"1-",*9+4946"S64"649;4"9-751,94:4":*1"RS4:95+/*1""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""�!"������"�������"�"����������"���������"����"�"�������"����������"��"������"����������"��"�������"������" ����¡"�����������"��" �������"�¢"��� ��"������" ����"��" �������"

Page 35: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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a&"+(.$8"$"9(:1;$"18$"H,)a&">18$',)4$"("1',H(.)$=,)4$*"H,)a&"()4"?1(",'-=1('/,&1"/&')4$'4(8('4(")1$)"/.,$23()b666c6"+$%4$'+&")(1"()4,=&"+&)"?1$+.,'>&)"%$.$"&"+()('>&"$',8$+&*"b666c6"7"()4,=&"/$4,H$'4(*"@,="("('H&=H('4("+("7)$81"9(:1;$",'-=1('/,&1"H.,$)"@(.$23()"+("+()('>,)4$)"#$%&'()()"("-(:"/&8"?1("$"(d%.())a&"e fgh")("4&.'$))("),'i',8&"+())("()4,=&6"jk1E4('*"lGmFn"""""""" "opqr"ss"t&'4(u>44%uvvwww6#$%$&(8-&/&6/&8v4(:1;$0&)$810&0%$,0+&08$'@$08&+(.'&v""x&.4$'4&*"&)"8$'@)")a&">,)4_.,$)"(8"?1$+.,'>&)"("+()('>&)"$',8$+&)"-(,4&)"'&"()4,=&"("'$"=,'@1$@(8"+()('H&=H,+$"%(=&)"#$%&'()()*"(-(,4&"+("18"%.&/())&">,)4_.,/&"("/1=41.$=",',/,$+&">"?1$)("+&,)")</1=&)6"41$=8('4("&"y$%a&"<"&"8$,&."%.&+14&."("/&')18,+&."+("?1$+.,'>&)"("+()('>&)"$',8$+&)"'&"81'+&*"@(.$'+&"18$"$4,H,+$+("81=4,A,=,&'.,$"'$".($"+("/&81',/$23()"$=<8"+("=1/.&)"+(/&..('4()"+("=,/('/,$8('4&"+("18$",'-,',+$+("+("%.&+14&)"/&8&"A.,'?1(+&)"("H,+(&@$8()"(",'-=1('/,$'+&"$14&.()"(8"H.,&)"%$5)()6""jz 97*m{{|n"

Page 36: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" #$#"%"&'"()'"*"+,-./'"-,'",01,'"2*",34*""56786"9::;<"=7">?7"@AB=C"DEFGHI8=7"E="GD7J="8A"KLMN"6"=77DC"8D7JBDOHI8=7"P=B="=7"67FAG=7"86"6E7DEA"@HE8=C6EJ=G"6"CQ8DAR"S"KLMN"Q"6T6FHJ=8A"P6GA"UL5N"6C"P=BF6BD="FAC"="V6FB6J=BD="86"N8HF=WXA"MY7DF="8A"ZDED7JQBDA"8="N8HF=WXA<"FACA"DE7JBHC6EJA"86"=PB6E8D[=\6CR"V6\HE8A"]6B\H6DBA"6"=CA7_"" "PB676EW="8A7"aH=8BDEbA7"EA"=COD6EJ6"67FAG=B"c"DEF6EJDd=8="P6GA"\Ad6BEA"@686B=G"e"J6C"\6B=8A"EAdA7"867=@DA7"=A7"PBA@677AB67"6"JB=[D8A"f"JAE="HC="=GD=8="E6F677D8=86"86"76"FACPB66E86B"C6GbAB"="GDE\H=\6C<"76H7"B6FHB7A7"6"AOB=7R"g"9::h<"PR"ijR"""7">?7"PA77H6C"PAJ6EFD=GD8=86"P68=\k\DF="=OB=E\6EJ6"6"PA86"8=B"7HPABJ6"="EAd=7"CA8=GD8=867"68HF=JDd=7"6"76B"=PBAd6DJ=8=7"6C"7=G="86"=HG="6C"8Dd6B7=7"8D7FDPGDE=7<"A"aH6"=7"JB=E7@ABC="6C"HC="@6BB=C6EJ="P68=\k\DF="JB=E78D7FDPGDE=BR"K=B="]6B\H6DBA"6"=C=<"="HJDGD[=WXA"8A7"aH=8BDEbA7"6C"7=G="86"=HG="EXA"PA77HD"GDCDJ67"P=B="76H"OAC"=PBAd6DJ=C6EJA<"6G67"PA86C"76B"HJDGD[=8A7"P=B="DEJBA8H[DB"HC"J6C="aH6"PA7J6BDABC6EJ6"PA86BY"76B"8676EdAGdD8A<"P=B="\6B=B"HC="8D7FH77XA<"AH"P=B="lmnopqrq"nsr"ltulr<"67J="=WXA"86"HJDGD[=B"=7">?7"6"7=G="86"=HG="B6aH6B"PAB"P=BJ6"8A"PBA@677AB"PG=E6v=C6EJA"6"8676EdAGdDC6EJA"86"=JDdD8=867"6C"aH=GaH6B"8D7FDPGDE=<"67J=O6G6F6E8A"="67JB=JQ\D="C=D7"=86aH=8="=7"7H=7"wuxuooltrtuo"u"ro"xrqrxpuqyoplxro"tzo"rmnwzo"FACA"@=DT="6JYBD="6"F=P=FD8=86"86"FACPB66E7XA"867J67"=GHEA7R"g9::{"PR"9|j"S7"6G6C6EJA7"aH6"@=dAB6F6C"="HJDGD[=WXA"86"aH=8BDEbA7"FACA"CQJA8A"86"=PB6E8D[=8A"7XA_"A"PBAF677A"86"G6DJHB=<"="=77AFD=WXA"86"P=G=dB=7"6"DC=\6E7"6"=""FAE7JBHWXA"8="GDE\H=\6C"8A"8676EbA"HJDGD[=E8A"A7"6G6C6EJA7"OY7DFA7"8=7"=BJ67"dD7H=D7<"A"PAEJA<"="GDEb=<"@D\HB=7"\6ACQJBDF=7<"P6B7P6FJDd="6EJB6"AHJBA7R""V6\HE8A"M=BOA7=_"" }A8A7"A7"PBDEFDP=D7"FAEF6DJA7"8=7"=BJ67"PGY7JDF=7"67JXA"6COHJD8=7"E=7"PY\DE=7"86"HC="bD7JkBD="6C"aH=8BDEbA7R"77DC"P=B="A"68HF=8AB<"=7">?7"PA86C"dDB"="76B"HC="PA86BA7="@6BB=C6EJ="P68=\k\DF="F=P=["86"6TPGDF=B"=A7"=GHEA7<"86"@ABC="8Dd6BJD8="6"PB=[6BA7=<"="=PGDF=WXA"PBYJDF="86"B6FHB7A7"=BJI7JDFA7"7A@D7JDF=8A7<"J=D7"FACA"P6B7P6FJDd=<"=E=JACD=<"GH["6"7ACOB=<"\6AC6JBD=<"FAB67"6"FACPA7DWXAR"g9:|{<"PR~9j""

Page 37: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" #$"%&$"'"($")*+,-$".(/'0"$'1"234546*/($"'0"$*5*"/'"*25*"7(0("0'4("/'"4+7'+348("'"/'$'+8(5840'+3("/*"714*3484/*/'".($$494543*+/("("'$32/("'"*"7(0.1''+$:("/'"3;7+47*$"*13<$347*$"'"/'0(+$31*+/("*"*.547*9454/*/'"/($"'5'0'+3($"9-$47($"/*$"*13'$".5-$347*$"'"*4+/*="*,1',*+/("7(+>'740'+3($",'1*/($"'0"(231*$"/4$74.54+*$=".1(0(8'+/("*$$40"*"*134725*?:("7(0"(231*$"-1'*$"/("7(+>'740'+3(">20*+(@"A*1*"B*8'59'1,C"" #"*134725*?:(";".($$<8'5".(1D2'"(".1(7'$$("/'"7(+>'740'+3(".(/'"'+8(58'1"/'3'104+*/($"*$$2+3($="E*3($="7(+7'43($"(2"/'3'104+*/*$"3;7+47*$"'"D2'$3F'$"D2'"'+,5(9*0"7(+3'G/($"/'"0*4$"/'"20*"/4$74.54+*@"HIJJK=".@"LMN"""O*"/4$74.54+*"/'"*13'$"84$2*4$=".(/'0($".5*+'P*1"*3484/*/'$"7(0"0G534.5*$"*$$(74*?F'$="7(0"3;7+47*$"'"$2.(13'$"8*14*/($"'"*,1',*+/("3'0*$"*9(1/*/($"'0"(231*$"/4$74.54+*$"7(0(",'(,1*E4*=">4$3Q14*=".(132,2R$"'+31'"(231*$@"""" """""""""""""""""

Page 38: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" "#"$""%&'()*+,-./+("0)'-)("" 1234"3567689:";4"<42=>?26"2>5@?>";6"A4B422?;6;4";4"B:A94B45C"<5?D4?56D4A34C"6"9?23E5?6";62"FG2"4";:2"H6A@I2C"74D"B:D:"62"J:5D62";4"6<8?B65"42342"34D62"A62"6>862";4"6534C"<:?2C"<45B474>K24":"?D<4563?L:";4234"423>;:"D6?2"6<5:J>A;6;:C"=>6A;:"622>D?>K24"62"3>5D62";4"MN"6A:";:"1A2?A:"O>A;6D4A368"PP"4":"QN"6A:";:"1A2?A:"HR;?:";:"S:8R@?:"O56AB?2B6A:"S5?23:"T4?";4"H656>C"A:"4236;:";:"T?:"U56A;4";:"V>8""4"B:A2363:>K24"=>4":2"68>A:2"W6;:842B4A342X"3?A96D">D6"<54J45YAB?6"76236A34"2?@A?J?B63?L6"<:5"54<5424A365"6356LR2";:";424A9:"42262"D6A?J4236Z[42"653\23?B62"<:<>86542"4";4"JIB?8"B:A235>Z]:"@5IJ?B6"""1D">D"<5?D4?5:"D:D4A3:C"7>2B:>K24"4A34A;45"62"4_?@YAB?62";:"4A2?A:";6"6534"9:4C"J6a4A;:">D"754L4"423>;:"2:754"6"9?23E5?6";:"1A2?A:";62"b5342"c?2>6?2"A:"d562?8C"6<5:<5?6A;:K24";62"34:5?62";4";:?2"423>;?:2:2"=>4C"J:56D"24A;:"7624"A]:"2E"<656"4236"<42=>?26C"D62C"36D7RD"<656"6";?2B?<8?A6";4"123I@?:"V><45L?2?:A6;:C"O45A6A;:"F45AIA;4a"4"bA6"H64"d657:26"e42=>?2:>K24"36D7RD"62";4J?A?Z[42"4"6<8?B6Z[42";:";424A9:"B:D:"J:5D6";4"54<5424A36Z]:"=>4"24"3:5A:>"4224AB?68"A62"65342"B:D:"68?B45B4"<656";?L452:2"D4?:2";4"<5:;>Z]:"653\23?B6"f2"4_4D<8:2">3?8?a6;:2"A4236"<42=>?26C"c6A"U:@9"4"e?B622:"J:56D"2484B?:A6;:2"B:D"7624"A62"<54J454AB?62";6"6>3:56""e656"7>2B65"B:D<544A;45"D489:5"62"<54J45YAB?62";62"54<5424A36Z[42"<?B3E5?B62";:2"6;:842B4A342C"<45B474>K24"=>4"D>?3:2"34E5?B:2"4"423>;?:2:2"<42=>?2656D"2:754"6"4L:8>Z]:";:";424A9:"?AJ6A3?8C"2484B?:A:>K24";:?2"?D<:536A342"6>3:542"=>4";?2B:554D"2:754":"622>A3:"B:D"4D7626D4A3:"B?4A3?J?B:"4"4D<\5?B:";:"34D6"g4234"24A3?;:C"<42=>?2:>K24"4A3]:C"62"J6242";:";424A9:"PAJ6A3?8"24@>A;:"U4:5@42KF4A5?"h>=>43"4"i46A"e?6@43"b";42B:74536";4"=>4"62"B5?6AZ62"54<5424A36D":"24>"D>A;:"6356LR2";:";424A9:"4"24A34D"<56a45"4A:5D4"4D"J6aYK8:C"J:?"?D<:536A34"A4234"423>;:C"<656"42367484B45":"9?23E5?B:";4"=>4C"24"4862C"62"B5?6AZ62C"2]:"6356\;62"<:5"54<5424A365"6356LR2";:";424A9:"<:5=>4"=>6A;:"42362"B94@6D"j"6;:842BYAB?6"<45;4D":"?A3454224k"b356LR2";:"423>;:";62"J6242";:";424A9:"?AJ6A3?8"B:D<544A;4>K24"=>4":2"6;:842B4A342"<45;4D"24>"?A3454224"<48:";424A9:"<:5"LI5?:2"D:3?L:2C"<656"7>2B65">D"4A34A;?D4A3:"D6?2"6756A@4A34"2:754"=>6?2"2]:"

Page 39: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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

Page 40: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"" "#$%$#&'()*+"",-.,/0-1"-23"4356"-7859:;<=3>?@"2@",73ABCD"753CB;3;5"E@F5"5"5GH5=838BI3A"J<8<73A6"KLML6"NBAH@2OI5C"5P"E88HDQQRRR6A=B5C@6S7Q6"-=5AA@"5P"KK6TL6UTKV6"",-WX0W:YY-1"N32B5CCZ6"/"432[\"5"3"C5B8<73"]"75I5CB3";3"5A=@C36"3AA@"_<2;@D":;6"4 7B8@A1"UTTL6"",:00-1"a3C7B3";3"b6"W5@7B3A";5"-H752;Bc3[5P6"d<7B8BS3D":;6"X5A;5"1"UTTe6"""d-.a-Yb/1"NF6"-":;<=3>?@"5A8\"2@"fBSB6"d3PHB23AD":;6"3HB7<A1"UTTe6"""d/Y:1"4B=E35Cg"d/Y:1"0E5BC3".6"/";5A52I@CIBP528@";3"d7B32>3"5";@"-;@C5A=52856""hi5;B>?@6"@78@"-C5[75D":;6"-785A"4 ;B=3A1"UTTj6""d/k1"43<75526"N5A52E@";3"d7B32>36"hi5;6"0?@"3<C@D":;6"4378B2A"_@285A1"UTKU6""N:"d-4 /01".@[7B@6",B523C";5"bl"m<57"A57"3"P3B@7";@"P<2;@D"/7[32Bc3>?@";3"Ki",B523C"X285723=B@23C";5"l<3;7B2E@A";@".B@";5"n325B7@";Bc"m<5"5C3"857\"P3BA"5GH@AB>o5A6"_@CE3";5"0?@"3<C@6"0?@"3<C@1"H6"V1"UK";5"@<8<S7@";5"KLLK6""N:" -pY-1":7=OCB3"46"-6"W6g"4:qN/qr-1"_57232;@"s6" AB=@C@[B3";@"N5A52I@CIBP528@6"ji"5;B>?@6"d<7B8BS3D":;6"X5A;5",73ABC1"UTTL6""N:.Ntu1":;B8E6"_@7P3A";5"52A37"@"N5A52E@6"0?@"3<C@D":;6"0=BHB@251"UTTh6""N/YW/1"_732>@BA51"q-0X/1"n6"N6"-"d7B32>3";@":AH5CE@6".B@";5"n325B7@D"5;6"v3E371"UTTM6""NXdX/qw.X/1":C587x2B=@"D"E88HDQQPB=E35CBA6<@C6=@P6S7Q"":X0q:.1"sBCC6"l<3;7B2E@A"5"-785"05m<52=B3C6"0?@"3<C@D":;6"4378B2A"_@285A1"

Page 41: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

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a75;E8;&"a;E8"Q4ER;@>"*"<bR4CE"6Db6D47"KE"CD4E8[E"C7=7"FE5;"K;";85487&"/;:45@E"17:E"'5C7<E&"*87"c0U"8d"$%U"K;"ER75@7"K;"#$$e&""3+N)'1U"(784E"T&"_4F;&"TE8Rf";"*84=;>"gC78;5"KE".H<@HDE"Q76"aE678;5E&"-456789:;<";="?@@6>AAL56&7DR&FD&"*C;557";="#]&#V&]V#%&"""T*/)01(U"T4D4E=".&";@"E<&"-4Kf@4CE"K7"'85487"KE"*D@;>"Q7;@4hEDU"IDH4D";".78?;C;D"*D@;&"(\7"QEH<7>"'K"I)-U"#$$i&""Tj/'-0'+U"I<7D;8C;&","-;5;8?7"08LE8@4<&"(\7"QEH<7>"'K&".H<@D4kU"]VVe&""T,/'0/*U"*8E"*&"*&","'56E[7"K7"-;5;8?7>"*"'KHCE[\7"K7"'KHCEK7D&"lm";K&"(\7"QEH<7>"'K&"37n7<EU"#$$l&"",T(&"-456789:;<";=>""?@@6>AABBB&H84C;L&7DRAFDEh4<A6@AFDJ57BCD##B;F&6KL&"*C;557";="V%&"V$&]V#%&"

Page 42: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"""#$%%$&'()"*+,-"&./"01$234)"*5,6,/"3+7+"85,59:;<"=>,?@<>;,"57"AB;C<>9:+,/"0;<D5E+9;/"FCG"H9,?>?B?+"#;<<;7@9)"IJKL/""#H$MFN)"*5;9)"H(=F%8F%)"0O<P5E/"$"#,>D+E+Q>;"C;"3<>;9R;/"IS"5C/"%>+"C5"*;95><+G"FC/"05<?<;9C)"IJJL/""#H11$%)"$9;E>D5"8/"85,59:+"5"F,D<>?;"D+7+"2>,?57;,"C5"%5T<5,59?;RU+/"#+<?+"$E5Q<5G"FC/"$<?5,"&-C>D;,)"IJJV/"""#%4F(W$)"M<;R;/"=>,?@<>;"C;"$<?5/"2U+"#;BE+G"FC/"X?>D;)"YZZY/""2$N4)" 3<>,?>;95" $/" 4" [B5" -" &;9Q\/" IJJS/" 8>,T+9]5E" 57":??TG__` /DBE?B<;a;T+95,;/D+7/P<_bT;Q5c>CdILI)";D5,,+"57"IY/IZ/YZIe/""2$(N42)"3E-f>+/"FCBD;RU+"5"=>,?@<>;,"57"AB;C<>9:+,G"4E:;<5,"C;"0;>g;C;"2;9?>,?;/"2;9?+,G"FC/"2+D>;E"2D>59D5)"YZZK/""hF%MiFH%4)"j;EC+7><+"3/"2/"$"+C>,,5>;"C+,"[B;C<>9:+,">9k;9?>,"P<;,>E5><+,G"#;<?5"IG"85"4"N>D+lN>D+";+,"[B;C<>9:+,"8>,95m)";"T<5C+7>9n9D>;"C+,"T5<,+9;Q59," >7T+<?;C+,/" 8>,T+9]5E" 57":??TG__` /5D;/B,T/P<_9BDE5+,_9T:[5D;_;Q;[B5_;9+Y_9B75<+I_;<?>Q+,9IcYY/:?7/"8;?;"C5";D5,,+"YK_ZJ_YZIe/""hF%MiFH%4)"j;EC+7><+/"%$&$)"$9Q5E;"o+<Q,p/"3+7+"B,;<";,"=>,?@<>;,"57"AB;C<>9:+,"57",;E;"C5";BE;/"Yq"5C/"2U+"#;BE+G"FC/"3+9?5g?+)"YZZL/"""hF%MiFH%4)"j;EC+7><+/"%$&42)"#;BE+/"AB;C<>9:+,"9;"FCBD;RU+G"8;"<5a5>RU+"r"T<\?>D;/"2U+"#;BE+G"FC/"3+9?5g?+)"YZZJ/""H7;Q59,G"H7;Q57" C+" C5,59:+" C5" h;9" M+Q:" C>,T+9]5E" 57G":??TG__` /;9Q+Q:Q;EE5<m/D+7_D;?;E+Q_8<; >9Q_IYVZ_#5;,;9?)l8>QQ>9QliTl#+?;?+5,/:?7E"

Page 43: PF2015Fabiane Pizato Girardirepositorio.upf.br/bitstream/riupf/843/1/PF2015Fabiane Pizato Girardi.pdfTitle: PF2015Fabiane Pizato Girardi.pdf Author: upf Subject Keywords () Created

!"""#$%&'$"()"('*'+,)"('"-./%**)"(.*0)+12'3"'$4",550466%3'&+%7+)7*%0)70568'/%+5)9(%9:3'&+%9;./,'.<)*6=>?>@AB7,5$""#$%&'+*"('"&%<%5CD%*"(.*0)+12'3"'$4"",550466EEE70<)FGHHH7056C*'<*6,D/)62.*'CE'I6&<%2%*/)6*'+5.<7,5$"