• Am J Prev Med · Nov 2016

    Advancing Models and Theories for Digital Behavior Change Interventions.

    • Eric B Hekler, Susan Michie, Misha Pavel, Daniel E Rivera, Linda M Collins, Holly B Jimison, Claire Garnett, Skye Parral, and Donna Spruijt-Metz.
    • School of Nutrition and Health Promotion, Arizona State University, Phoenix, Arizona. Electronic address: ehekler@asu.edu.
    • Am J Prev Med. 2016 Nov 1; 51 (5): 825832825-832.

    AbstractTo be suitable for informing digital behavior change interventions, theories and models of behavior change need to capture individual variation and changes over time. The aim of this paper is to provide recommendations for development of models and theories that are informed by, and can inform, digital behavior change interventions based on discussions by international experts, including behavioral, computer, and health scientists and engineers. The proposed framework stipulates the use of a state-space representation to define when, where, for whom, and in what state for that person, an intervention will produce a targeted effect. The "state" is that of the individual based on multiple variables that define the "space" when a mechanism of action may produce the effect. A state-space representation can be used to help guide theorizing and identify crossdisciplinary methodologic strategies for improving measurement, experimental design, and analysis that can feasibly match the complexity of real-world behavior change via digital behavior change interventions.Copyright © 2016 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

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