slide 1 of 21 experimenting with icat in an eldercare environment marcel heerink instituut voor...
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Experimenting with iCat in an eldercare environment
Marcel Heerink
Instituut voor Information Engineering - Hogeschool van Amsterdam
Universiteit van Amsterdam - Human Computer Systems & Intelligent Systemsco-researchers:
Vanessa Evers, Bob Wielinga , Ben Krose
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Background
2000 2025
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Robots & eldercare
• Paro• Pearl • Aibo
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Research question
Is there a measurable influence of perceived social abilities on the acceptance of autonomous interactive systems by elders in an eldercare environment?
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Approach
• Quantitative research• iCat• Wizard of Oz• +S and –S version• Questionnaire• Observations• Functional and
conversational acceptance
• Field experiment: 2 eldercare institutions (Archipel and Ankerplaats)
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Abilities
• listening attentively (looking at the participant, nodding),
• being nice and pleasant to interact with (smiling, being helpful),
• remembering little personal details about people (using their names),
• being expressive,
• admitting mistakes.
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Conditions
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Possible functionalities
• Agenda/reminder
• Device interface
• Monitor
• Companion
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Questionnaire
• UTAUT– PE = performance expectancy – EE = effort expectancy – SI = social influence – AT = attitude toward using technology – SE = self-efficacy – ANX = anxiety – ITU = intention to use
• + SA = social abilities (-)• + feeling comfortable talking to a robot (conversational
acceptance)• 5 point scale• Questions instead of statements
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Results 1
Construct Cronbach’s Alpha t Sig. (2-tailed)
performance expectancy ,7649 -0,1327 0,8953
effort expectancy ,8610 0,3622 0,7195
social influence ,2997* 0,3453 0,7322
attitude toward using technology ,8889 0,4961 0,6230
self-efficacy ,8942 0,4567 0,6509
anxiety ,4303* -0,0046 0,9964
intention to use ,8954 0,4036 0,6891
all constructs ,9346
all questions ,9084
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Did you feel uncomfortable talking to a robot?
Results 2
condition N Meant Sig. (2-tailed)
more social 17 1,00
-3,7500 0,0015less social 19 1,53
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Would you want to use the iCat immediately if you could?
Results 3
gender N Mean t Sig. (2-tailed)
male 11 1,45
2,1717 0,0426female 25 0,72
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Observationsconversational expressions by participants
more social
less social
nodding head 66 54
shaking head 16 15
greet with hand 2 0
'don't know' gesture 3 0
move away 0 4
approach robot 17 7
smile 42 30
laugh 26 9
surprise 2 0
show irritation (frown) 1 2
verbal greeting 36 21
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Observations 2
Item t Sig. (2-tailed)Mann-Whitney U
Asymp. Sig. (2-tailed)
Positive 1 2,450 0,020 92,000 0,027
Negative 2 -1,685 0,108 131,000 0,108
All items 2,063 0,047 102,500 0,060
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Movie
• Start
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Conclusions & discussion
• UTAUT constructs show no significant differences between more en less social condition
• There are significant differences concerning “conversational acceptance”: participants felt more uncomfortable and used more conversational expressions with a more social robot
• Other differences are related to gender (could be a generation related result)
• Further research:– On screen agents– Different experimental conditions?– Work on ‘social abilities?’– More elaborate observation model