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A criterion measurement model for health behavior change
W F Velicer1, J S Rossi, C C Diclemente
1Cancer Prevention Research Center, University of Rhode Island, Kingston 02881-0808, USA. KZP101@URIACC.URI.EDU
Addictive Behaviors
|September 1, 1996
Summary
This study introduces a new multivariate model for health behavior change, moving beyond single measures. The model uses Positive Evaluation Strength, Negative Evaluation Strength, and Habit Strength across stages of change.
Area of Science:
- Health behavior change research
- Psychology of behavior modification
Background:
- Traditional health behavior change interventions often use univariate measures.
- These measures lack precision, statistical power, and meaningfulness.
Purpose of the Study:
- To develop and test a theoretical model using multivariate dependent variables for health behavior change.
- To define constructs of Positive Evaluation Strength, Negative Evaluation Strength, and Habit Strength.
- To describe construct changes across the stages of change (Precontemplation, Contemplation, Action, Maintenance).
Main Methods:
- Structural model analysis to assess measurement model fit.
- Dynamic typology approach to generate change profiles.
- Time series analysis to support the model.
- Longitudinal, five-wave panel design to examine cognitive-behavioral relationships.
Main Results:
- The proposed measurement model demonstrated adequate fit with existing data.
- Dynamic typologies were consistent with the theoretical model.
- Time series analysis supported the model's assumptions.
- Longitudinal analysis confirmed the relationship between cognitive variables (Pros and Cons) and Habit Strength.
Conclusions:
- The developed multivariate model offers a more robust framework for studying health behavior change.
- Findings suggest implications for designing more effective intervention strategies.
- The model provides a nuanced understanding of behavior modification across different stages.