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Résumé :
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ObjectiveComputer-based virtual coaches are increasingly being explored for patient education, counseling, and health behavior training and coaching. The objective of this research was to develop and evaluate a Virtual Mindfulness Coach for training and coaching in mindfulness meditation.MethodsThe coach was implemented as an embodied conversational character, providing mindfulness training and coaching via mixed initiative, text-based, natural language dialog with the student, and emphasizing affect–adaptive interaction. (The term ‘mixed initiative dialog’ refers to a human–machine dialog where either can initiate a conversation or a change in the conversation topic.)ResultsFindings from a pilot evaluation study indicate that the coach-based training is more effective in helping students establish a regular practice than self-administered training using written and audio materials. The coached group also appeared to be in more advanced stages of change in terms of the transtheoretical model, and have a higher sense of self-efficacy regarding establishment of a regular mindfulness practice.ConclusionThese results suggest that virtual coach-based training of mindfulness is both feasible, and potentially more effective, than a self-administered program. Of particular interest is the identification of the specific coach features that contribute to its effectiveness.Practice implicationsVirtual coaches could provide easily accessible and cost-effective customized training for a range of health behaviors. The affect–adaptive aspect of these coaches is particularly relevant for helping patients establish long-term behavior changes
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