Which term best describes the time measurement observed between the end of one response and the start of another?

The term that best describes the time measurement observed between the end of one response and the start of another is interresponse time. This measures the duration of time that elapses between two successive behaviors or responses. It is a crucial metric in behavior analysis because it can provide insights into the pace of responding, inform intervention strategies, and help track changes over time in an individual's behavior.

In particular contexts, understanding interresponse time can aid in determining the effectiveness of behavioral interventions—if the time between responses decreases after implementing a strategy, it may indicate an increase in engagement or fluency in skills. By tracking this measurement, behavior analysts can better assess the dynamics of an individual's behavior, leading to more tailored and effective intervention plans.