1. After a reinforcement, the rate of the reinforced behavior may fall to or near zero before increasing again. The period during which the behavior occurs infrequently is called a ………………………. pause....

1. After a reinforcement, the rate of the reinforced behavior may fall to or near zero before increasing again. The period during which the behavior occurs infrequently is called a ………………………. pause.

2. Choice involves ………………………. schedules.