What is a common purpose of data collection in ABA?

• A. To decide the client's appetite
• B. To document progress and inform treatment decisions
• C. To amuse staff
• D. To satisfy paperwork

Answer: (B)

In ABA, data collection is used to capture observable, measurable information about a client's behavior so we can see how it changes over time. This information helps clinicians determine whether the current intervention is working and what adjustments might be needed. The common purpose is to document progress and inform treatment decisions—by analyzing the data, we can identify trends, set baselines, monitor response to reinforcement, and decide whether to maintain, modify, or change strategies. It isn’t about appetite, amusement for staff, or satisfying paperwork for its own sake; those aren’t the driving goals. Data collection provides evidence to base decisions on and helps ensure accountability and effective treatment.