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Change Approaches, Transtheoretical and Stages of

The transtheoretical model of behavior change was first proposed by James Prochaska and Carlo DiClemente. The transtheoretical model is also called the stages of change model (SCM) because Prochaska and DiClemente view behavior change as a stochastic process; in other words, individuals must move through a series of stages—stages of change—before they will actually change their behavior.

The model was developed in the 1970s in an effort to better understand the social influence process as it relates to health behaviors. Prochaska and DiClemente based the model on their clinical experience working in a smoking cessation program, and since then the model has been used in investigations focusing on smoking, alcohol and substance abuse, weight management, drug adherence, and stress management, as well as a host of ...

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