ns petite histoire de ergonomie web
TRANSCRIPT
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Petite histoire de l’ergonomie pour les geeks réfractaires
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Pourquoi ?
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You !
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• The probability of selling to an existing customer is 60 –70%. The probability of selling to a new prospect is 5-20% – Marketing Metrics.
• A dissatisfied customer will tell between 9-15 people about their experience.
• It takes 12 positive experiences to make up for one unresolved negative experience – “Understanding Customers” by Ruby Newell-Legner.
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Préhistoire Histoire Temps Moderne
1911 Frederick Taylor
1954Paul Fitts
1956 George Miller
1980Ericson and Simon
1980 1991
1984
1988Don Norman
Nielsen
Vizi Norman
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Préhistoire
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• La loi de proximité , le cerveau regroupant plus proches les unes des autres
• La loi de similitude, le cerveau regroupant les formes identiques
• La loi de symétrie, le cerveau regroupant les formes symétriques dans un même ensemble
• La loi de continuité, le cerveau considérant des formes rapprochées comme faisant partie d’un même ensemble
Loi de Gestalt
1884
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1911 Frederick Taylor
smaller jobs can be understood and done easier than the original task
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Fitts law1954Paul Fitts
OK Kill everyone
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1956 George Miller The Magical Number Seven, Plus or Minus Two
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Hick's law
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1980Ericson and Simon
Think Aloud Method
Wizard of OZ
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Histoire
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Don Noman
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Temps Moderne
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Jakob Nielsen Rolf Molich publish the seminal paper "Heuristic Evaluation of
User Interfaces
"the king of usability" (Internet Magazine)
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Robert Virzi's paper "Refining the test phase of usability
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• Learnability
• Efficiency
• Memorability
• Errors (as in low error rate)
• Satisfaction
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Fold
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Thanks ..
www.natural-solutions.eu @orovellotti