Emotional Virtual Characters for Improving Motivation and Performance in VR Exergames
summary
VR exergame with a humanoid lion coach (happy, angry, neutral) measures heart rate, self-reported emotion, motivation, and punch speed in 47 participants. Happy coach uses praise, gifts and fluid body language and increases happiness and motivation; angry coach uses negative feedback and punishment, raises anger and yields the highest mean punch speed but lowers relatedness. Study finds a positive correlation between anger and punch speed, confirms exertion via heart rate, and notes limitations about isolating facial contagion and individual coach preferences.
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