The BCD Cards

The Development of the BCD Cards

The BCD cards were grounded on two well-established theoretical models of behavior: the Transtheoretical Model (TTM) of behavior change and the Behavior Change Techniques Taxonomy (BCT taxonomy). By condensing the BCT taxonomy to a set of 34 behavior change techniques that are applicable to the design of digital interventions, the BCD cards provide an easily accessible repertoire of theoretically and empirically grounded behavior change techniques for interaction designers. Using the TTM of behavior change, and particularly the stages and processes of change, the BCD cards provide a way to structure designers' efforts, inviting them to tailor their intervention to particular stages of change and to consider the specific challenges and the purpose the intervention can serve in each stage. By mapping the 34 techniques to the five stages of change, we support designers in selecting the behavior change techniques that are most appropriate to a given stage.



Paper available:

Konstanti, C., Karapanos, E., & Markopoulos, P. (2021). The Behavior Change Design Cards: A Design Support Tool for Theoretically-Grounded Design of Behavior Change Technologies. International Journal of Human–Computer Interaction, 1-17. (see the paper)



The team

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Chrysanthi Konstanti

She is a PhD candidate in the Department of Communication and Internet Studies of the Cyprus University of Technology. Her research focuses on theory-driven behavior change design, and she seeks to encourage the design community to engage with and develop theory-based behavior change technologies.

Scholar, LinkedIn

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Evangelos Karapanos

He is an Associate Professor in the Department of Communication and Internet Studies and the director of the Persuasive Technologies Lab in the Department of Communication and Internet Studies of the Cyprus University of Technology.

Scholar, LinkedIn

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Panos Markopoulos

He is a computer scientist working in the field Human Computer Interaction. He studied in the National Technical University of Athens and was awarded a PhD in Computer Science at Queen Mary University of London. He is a Professor of Industrial Design at the Eindhoven University of Technology.

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