Which data collection method measures the length of a response continuously?

The method that measures the length of a response continuously is duration. Duration recording specifically entails tracking the total time that a behavior occurs from its onset to its offset. This data collection method is particularly useful when the focus is on behaviors that vary in their temporal length, allowing practitioners to gather valuable insights into how long a specific behavior persists during an observation period.

By measuring duration, practitioners can assess the effectiveness of interventions aimed at increasing or decreasing behaviors based on the total time those behaviors occur. This is especially relevant in scenarios where understanding the length of time a behavior is exhibited has implications for treatment planning and behavior modification strategies.

In contrast, other methods like rate, continuous recording, and frequency recording focus on different aspects of behavior observation and do not directly measure the length of an individual response continuously. Rate, for instance, counts the number of occurrences of a behavior within a specified time frame, while frequency recording solely tracks how many times a behavior occurs without regard to how long it lasts. Continuous recording generally encompasses various data collection methods without specifying the measurement of duration explicitly.