Sarah Pietertje Elbert

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BACKGROUND Mobile phone apps are increasingly used to deliver health interventions, which provide the opportunity to present health information via different communication modes. However, scientific evidence regarding the effects of such health apps is scarce. OBJECTIVE In a randomized controlled trial, we tested the efficacy of a 6-month intervention(More)
OBJECTIVE In the process of behaviour change, intonation of speech is an important aspect that may influence persuasion when auditory messages are used. In two experiments, we tested to what extent different levels of intonation are related to persuasion and whether for some recipients the threat posed by the message information might become too strong to(More)
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