What is the primary purpose of using ABC data?

The primary purpose of using ABC data is to provide an objective, evidence-based way to identify the function of a behavior. ABC data, which stands for Antecedent-Behavior-Consequence data, is a structured approach that helps practitioners understand the context surrounding a behavior. By documenting what occurs before (antecedents) and after (consequences) a behavior, professionals can analyze patterns and determine the underlying reasons why a behavior occurs. This functional analysis is crucial in developing effective interventions tailored to the individual's needs since it focuses on understanding not just what the behavior is, but why it happens.

The other options, while related to data collection and analysis, do not capture the specific intent of ABC data as accurately. Recording behaviors in a narrative format is more qualitative and lacks the structure that ABC data provides. Creating hypotheses about future behaviors may be a result of analyzing ABC data, but that is not the primary goal of data collection itself. Lastly, the aim is not about substituting qualitative data with quantitative data; rather, ABC data can incorporate both elements in a way that serves to clarify behavioral functions.