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Complementing Embodied Conversational Agents by Implementing Compliments Measuring the Effect of Compliments in Embodied Conversational Agents Group 23 Marieke Agterbos | Tim van Bremen | Carel Jansen | Lisa Oud | Justin Post

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Complementing Embodied Conversational Agents by Implementing Compliments Measuring the Effect of Compliments in Embodied Conversational Agents Group 23 Marieke Agterbos | Tim van Bremen | Carel Jansen | Lisa Oud | Justin Post Slide 2 Research Question To what extent do compliments have an impact on the user experience of embodied conversational agents? Slide 3 Questions 1.Are the ECAs compliments recognized as compliments? (Part I) 2.Experience with vs. without compliments (Part II) A.Perceived liking of the agent B.Perceived level of comfort C.Perceived information quality Slide 4 Background theory Making machines more human (Picard, 2000) Minimize gap between real life contact and digital contact Lifelike ECA (Louwerse et al., 2009) Is sensitive to moods and sentiments Politeness and variation in language (Behnam & A. Niloufar, 2011) Add value and believability Function of Compliments (Manes en Wolfson, 1981) Goodwill and solidarity Three types of personal compliments (Jucker, 2009) Implicit, explicit or indirect Behavioral realism might be more important than photorealism (Groom, 2009) Generating positive response More productive conversation Slide 5 Pre-test Are the ECAs compliments recognized as compliments? Participants read a transcript of an ECA conversation Questionnaire on different parts of the conversation: 1. Bot: Hello, how are you? 2. User: Great, and you? 3. Bot: Good, so am I. 4. User: Good. 5. Bot: What was the name of the lead guitar player of the band called A band of Gypsies? 6. User: Jimi Hendrix. 7. Bot: That is correct. 8. Bot: Someone told me you are very bright. Slide 6 Pre-test results Yes, this is a significant difference (p Conclusion Compliments have a positive effect on the user experience of an ECA. However, not on likingness. The type of compliment matters Non-contextual > contextual Slide 15 Discussion Pros: Pretest, kind of compliments accounted for. Pretest in line with experiment outcome. All experiments under supervision of a test leader. Improvements: Sample too small Language, not native language of all subjects Variable mount of compliments given Compliments when correctly answered Definition of comfort, persuasiveness, likeliness might differ individually Slide 16 Questions? Slide 17 Measuring - Liking I would like to be friends with her If I was upset, she would be able to cheer me up. She is a bad listener Rated on Likert scale 1-7 Slide 18 Measuring - Level of comfort During the conversation, I felt: Comfortable Involved Open Relaxed Warm Rated on Likert scale 1-7 Slide 19 Measuring - Information quality The extent to which the information was: Correct Helpful Persuasive Insightful Relevant Rated on Likert scale 1-7 Slide 20 Context Controlled environment Participants from same population