What type of definition describes changes in the environment related to behavior?

The correct choice for describing changes in the environment related to behavior is a functional definition. Functional definitions focus on the cause-and-effect relationships between behavior and the environmental variables that influence it. This approach emphasizes understanding how specific changes in the environment lead to corresponding changes in behavior, thereby allowing practitioners to identify triggers, consequences, and overall patterns in behavior.

When discussing behavior in terms of its function, it becomes possible to analyze why a particular behavior is occurring and how it can be modified. For example, if a child engages in a specific behavior to gain attention, a functional definition would not only describe the behavior but also highlight the environmental changes (such as someone giving attention) that reinforce it. This insight is essential for developing effective interventions and supports for individuals on the autism spectrum.

Descriptive definitions, on the other hand, generally outline the characteristics of behavior without delving into the relationship between behavior and environmental changes. Quantitative definitions focus on measurable amounts or frequencies, while qualitative definitions may detail types or categories of behavior but do not emphasize the relationship with environmental changes.