RBT data calculation practice questions
10 questions · Untimed · Explanation after each question
Rate per minute and per hour, percentage correct, percentage of intervals, mean duration and latency, and token and reinforcement arithmetic, with the working shown after every answer. Calculating and summarizing data is task A.6, new in the 3rd edition.
The formulas behind the questions
- Rate
- Count ÷ observation time (per minute or per hour) (for example, 18 responses in 30 minutes = 0.6 per minute = 36 per hour)
- Percentage correct
- Correct responses ÷ total opportunities × 100 (for example, 7 correct of 10 trials = 70%)
- Percentage of intervals
- Intervals scored ÷ total intervals × 100 (for example, 9 of 30 intervals = 30%)
- Mean duration
- Total duration of all episodes ÷ number of episodes (for example, Episodes of 2, 5 and 8 minutes = 15 ÷ 3 = 5 minutes)
- Mean latency
- Sum of latencies ÷ number of instructions timed (for example, 4 s, 6 s, 5 s and 9 s = 24 ÷ 4 = 6 seconds)
Before you start
- Every question has four options and one correct answer, as on the real exam. Each explanation says why the answer is right and, where it helps, why the most tempting wrong answer is wrong; calculations show the arithmetic. Each question is tagged with its 3rd-edition task.
- Check each answer to see the explanation before moving on. Checked answers cannot be changed.
Original practice questions written to the RBT Test Content Outline (3rd ed.), not questions from the real exam. Independent practice, not affiliated with or endorsed by the Behavior Analyst Certification Board (BACB). RBT® and BACB® are registered trademarks of the Behavior Analyst Certification Board.