Which statement best describes a differential reinforcement of low rates (DRL) approach?

• A. DRL should be used to increase the rate by reinforcing every occurrence.
• B. DRL should be used to deliver NCR on a fixed schedule.
• C. DRL should be used to reduce the rate of a behavior by reinforcing when it occurs less often than a prior rate.
• D. DRL should be used to punish high-rate behaviors.

Answer: (C)