Transtheoretical Model Change

Transtheoretical Model of Change

The transtheoretical model of change has had a significant impact on health promotion. The model is used for the explanation of behavior and the design of health behavior interventions. Originally developed as a strategy to explain and predict harmful behavior, such as tobacco use, the application of the model has become so widespread that it is one of the most commonly used models in public health practice.

According to Prochaska and DiClemente (as cited in Edberg, 2007), behavior change occurs in steps or stages as an individual moves from contemplating a behavior change, through getting ready for behavior change, to making the change and maintaining the new behavior. Interventions can be designed to address one or more of the various processes of change associated with the stages of behavior change.


Stages of Change




No intention to change   behavior in the next six months



Intends or is thinking   about changing behavior in the next six months



Intends to change   behavior in the next thirty days and has taken some steps toward behavior   change



Has intentionally   changed the behavior for less than six months



Has intentionally   changed the behavior for more than six months

  • Identify a health behavior.
  • Explain how each of the “stages      of behavior change” from the transtheoretical model of change can be      applied to the health behavior.
  • Describe the types of      strategies that could be used to move an individual from contemplation to      action.
  • Explain how these strategies      would be different from those used to move an individual from      precontemplation to contemplation.

Write your initial response in approximately 200 words. Apply APA standards to citation of

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