Maurits Kaptein

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This article describes the use of personalized short text messages (SMS) to reduce snacking. First, we describe the development and validation (<i>N</i>&thinsp;=&thinsp;215) of a questionnaire to measure individual susceptibility to different social influence strategies. To evaluate the external validity of this Susceptibility to Persuasion Scale (STPS) we(More)
This paper discusses how persuasive technologies can be made adaptive to users. We present persuasion profiling as a method to personalize the persuasive messages used by a system to influence its users. This type of personalization can be based on explicit measures of users' tendencies to comply to distinct persuasive strategies: measures based on(More)
Likert-type scales are used extensively during usability evaluations, and more generally evaluations of interactive experiences, to obtain quantified data regarding attitudes, behaviors, and judgments of participants. Very often this data is analyzed using parametric statistics like the Student <i>t</i>-test or ANOVAs. These methods are chosen to ensure(More)
Although the field of persuasive technologies has lately attracted a lot of attention, only recently the notion of ambient persuasive technologies was introduced. Ambient persuasive technologies can be integrated into every aspect of life, and as such have greater persuasive power than the traditional box like machines. This article discusses ambient(More)
Public policy increasingly plays a role in influencing the work that we do as HCI researchers, interaction designers, and practitioners. "Public policy" is a broad term that includes both government policy and policy within non-governmental organizations, such as standards bodies. The Interacting with Public Policy forum focuses on topics at the(More)
Persuasive technologies are growing in popularity and many designers create systems which intentionally change users attitudes or behaviors. This study shows that peoples individual differences in susceptibility to persuasion, as implemented using the six persuasion principles proposed by Cialdini [2], relates to their compliance to a persuasive request(More)
This paper examines the behavioral consequences of individual differences in persuadability in the health promotion domain. We use a 7-item persuadability instrument to determine participants persuadability score. Based on this score two groups are created: the low and high persuadables. Subsequently, we present 2 studies that test the responses to(More)