What phase follows preparation in the behavior change process when an individual actively engages in change?

The action stage is a critical phase in the behavior change process where individuals actively engage in making changes to their behavior. This stage follows the preparation phase, in which a person plans and sets up the necessary steps to facilitate the change. During the action stage, individuals implement the strategies they have developed, which may involve adopting new habits, altering their routines, or making lifestyle modifications that align with their goals.

For instance, someone working to lose weight during the action stage might start exercising regularly, change their eating habits, and utilize supportive resources, demonstrating their commitment to change. It's a phase characterized by visible efforts and sustained behaviors that contribute to the achievement of desired outcomes.

Other options like pre-contemplation refer to an earlier stage where individuals may not yet recognize the need for change, and the implementation and reflection stages describe actions that do not align directly with the established stages of behavior change. The implementation stage is often seen as a separate phase in more comprehensive models focusing on enacting changes, while reflection typically comes later, allowing individuals to evaluate their progress and adjust as necessary. Hence, the action stage is correctly identified as the next step following preparation in the behavior change process.