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Related Experiment Videos

Conceptualizing changes in behavior in intervention research: the range of possible changes model.

Andres De Los Reyes1, Alan E Kazdin

  • 1Department of Psychology, Yale University, New Haven, CT 06520, USA.

Psychological Review
|June 29, 2006
PubMed
Summary

Identifying evidence-based psychological interventions is challenging due to inconsistent study findings. The proposed Range of Possible Changes (RPC) Model offers a framework to better evaluate intervention effectiveness and guide future research.

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Area of Science:

  • Psychology
  • Intervention Science
  • Research Methodology

Background:

  • A global initiative seeks evidence-based psychological interventions.
  • Inconsistent findings complicate the determination of intervention efficacy.
  • Current methods struggle to definitively classify interventions as evidence-based.

Purpose of the Study:

  • To propose a theoretical and methodological framework for intervention research.
  • To guide the study of change in psychological interventions.
  • To improve the interpretation of evidence for interventions.

Main Methods:

  • Introduction of the Range of Possible Changes (RPC) Model.
  • Conceptual framework for analyzing intervention effects.
  • Guidance for quantitative reviews and future research.

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Main Results:

  • The RPC Model provides a structured approach to evaluating intervention evidence.
  • It facilitates conceptualization, examination, and classification of intervention effects.
  • The model aids in understanding when and how interventions change psychological constructs.

Conclusions:

  • The RPC Model is recommended for future quantitative reviews of intervention research.
  • Adoption of the RPC Model can enhance theory-driven hypotheses and research examinations.
  • This framework aims to clarify the evidence base for psychological interventions.