What does DRO stand for and when is it used?

• A. Differential Reinforcement of Occurrence; reinforcement is delivered after the target behavior occurs.
• B. Differential Reinforcement of Other Behavior; reinforcement is delivered when any behavior other than the target occurs.
• C. Differential Reinforcement of Omission; reinforcement is given for not engaging in the target behavior.
• D. Differential Reinforcement of Other Behavior; reinforcement is delivered when the target behavior has not occurred for a set interval.

Answer: (D)