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A Decision-Theoretic Model of Behavior Change.

Kaosu Matsumori1,2, Kazuki Iijima1, Yasuharu Koike3

  • 1Brain Science Institute, Tamagawa University Brain Science Institute, Machida, Japan.

Frontiers in Psychology
|June 6, 2019
PubMed
Summary
This summary is machine-generated.

Changing habitual or addictive behaviors is challenging. This study introduces a new Decision-Theoretic Model (DTM) for behavior change, extending Expected Utility Theory (EUT) to better model intentions and actions.

Keywords:
Markov decision processSocial Cognitive TheoryTheory of Planned Behaviorexpected utility theoryself-efficacy

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Area of Science:

  • Behavioral Economics
  • Psychology
  • Decision Theory

Background:

  • Habitual and addictive behaviors are difficult to modify.
  • Existing behavior change models, like the Theory of Planned Behavior (TPB), struggle to integrate with behavioral economics principles.
  • Previous attempts to combine these fields failed due to theoretical inconsistencies.

Purpose of the Study:

  • To reconcile existing behavior change models with Expected Utility Theory (EUT).
  • To propose a novel framework for understanding and predicting behavior change.
  • To introduce the Decision-Theoretic Model of behavior change (DTM).

Main Methods:

  • Clarifying component correspondences between established behavior change models and EUT.
  • Developing a new theoretical model that extends EUT.
  • Integrating principles from behavioral economics and psychological behavior change theories.

Main Results:

  • Identified key alignments between existing behavior change models and EUT.
  • Proposed the Decision-Theoretic Model of behavior change (DTM).
  • DTM is presented as a natural extension of EUT for behavior change.

Conclusions:

  • The DTM offers a more consistent and potentially accurate framework for behavior change research.
  • This model bridges the gap between behavioral economics and traditional behavior change theories.
  • DTM provides a foundation for future research on modifying undesirable behaviors.