ACE Health Coach Certification Practice Test 2026 - Free Health Coach Certification Practice Questions and Study Guide

Sending a text message to remind a client of an upcoming appointment exemplifies stimulus control because it involves using an external cue to influence behavior. In behavior change, stimulus control refers to the process of altering the environment or using reminders to prompt specific behaviors. By sending a text reminder, the coach is creating an effective signal that nudges the client to remember the appointment and can help reinforce positive attendance behavior.

The other options relate to different aspects of behavior change. Cognitions and behaviors typically involve the mental processes behind choices and actions, while cognitive behavioral techniques focus on the interplay between thoughts, feelings, and behaviors. Shaping is a gradual process of reinforcing closer approximations to a desired behavior. However, in this case, the text message serves as a direct cue leading to the expected behavior, making stimulus control the most relevant strategy.