Which stage of the transtheoretical model is characterized by the client making specific, overt modifications in their lifestyle?

• A. Preparation
• B. Contemplation
• C. Action
• D. Relapse

Answer: (C)

In the transtheoretical model, the stage where a person actively implements concrete, observable lifestyle changes is the Action stage. This is when individuals move from planning and weighing options to actually doing something tangible—like starting a regular exercise routine, adopting a healthier diet, or quitting a smoking habit. The changes are overt and measurable and typically have been put into practice for a period, marking a shift from intending to change to changing behavior itself.

This stage sits after contemplation and preparation: contemplation involves weighing the pros and cons and considering change, while preparation is about planning and taking small, initial steps toward change. Relapse isn’t a separate stage in the model; it’s a return to old behaviors that can lead a person to cycle back through earlier stages. The next stage after action is maintenance, where the focus is on sustaining those changes over time.