In extinction of a behavior that was positively reinforced, the _____________________ is no longer ...

(Answer to Q. 1)  positive reinforcer

(Answer to Q. 2)  Different processes are involved in extinction, time-out, and response cost. With extinction, the problem behavior is no longer followed by the reinforcing event that previously maintained the problem behavior. With time-out, the individual is removed from access to all sources of reinforcement contingent on the problem behavior. With response cost, a specific amount of a reinforcer (but not the reinforcer for the problem behavior) is removed following the problem behavior.

(Answer to Q. 3)  frequency, duration, intensity (any order)

(Answer to Q. 4)  Response cost is defined as the removal of a specified amount of a reinforcer contingent on the occurrence of a problem behavior.

(Answer to Q. 5)  decreases, stops

(Answer to Q. 6)  In nonexclusionary time-out the individual remains in the room while being removed from access to positive reinforcers.

(Answer to Q. 7)  reinforcer

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