Convincing Conversations: Using a Computer-Based Dialogue System to Promote a Plant-Based Diet

Emma Zaal, Gregory Mills, Afke Hagen, Carlijn Huisman, Jacobus Hoeks

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In this study, we tested the effectiveness of a computer-based
persuasive dialogue system designed to promote a plant-based
diet. The production and consumption of meat and dairy has
been shown to be a major cause of climate change and a
threat to public health, bio-diversity, animal rights and human
rights. A system promoting plant-based diets was developed,
comprising conversational, motivational and argumentational
elements. 280 participants were randomly assigned to one of
four conditions, each representing a particular combination of
motivational and argumentational modules. Male participants
showed higher intention scores in the motivational conditions
compared to the argumentation-only or control condition.
Female participants scored higher overall, unaffected by
condition. These results suggest that men and women are
differentially sensitive to persuasive strategies regarding the
adoption of a plant-based diet. It seems to be particularly
worthwhile to use motivational - as opposed to merely
argumentational - elements in a persuasive conversation.
Originele taal-2English
TitelProceedings of the Cognitive Science Conference
Pagina's3627-3632
Aantal pagina's6
StatusPublished - 2017

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