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A Cognitive Behavioral Therapy Chatbot (Otis) for Health Anxiety Management: Mixed Methods Pilot Study

A Cognitive Behavioral Therapy Chatbot (Otis) for Health Anxiety Management: Mixed Methods Pilot Study

The study identified several barriers (high performance expectancy, effort expectancy, technical difficulties) and facilitators (appearance, anthropomorphism, perceived benefits, content delivery) to the engagement and acceptability of chatbots delivering a psychological intervention. This study found that approximately 41% of participants completed the study and that, on average, the final sample completed 70% of the intervention, which is higher than seen in most of the literature [48-50].

Yenushka Goonesekera, Liesje Donkin

JMIR Form Res 2022;6(10):e37877

Determinants of Laypersons’ Trust in Medical Decision Aids: Randomized Controlled Trial

Determinants of Laypersons’ Trust in Medical Decision Aids: Randomized Controlled Trial

In general automation research, anthropomorphism—making the automation appear human like—has been identified as one of many potential influences [22]. There are several methods for designing human-like systems or framing them as such; however, visual anthropomorphism is the easiest to include in a symptom checker (eg, using a picture of a person on the user interface). The direction of the relationship between visual anthropomorphism and trust seems to vary.

Marvin Kopka, Malte L Schmieding, Tobias Rieger, Eileen Roesler, Felix Balzer, Markus A Feufel

JMIR Hum Factors 2022;9(2):e35219