George's Pigeons George Trains a Pigeon to Peck a Disk

Multiple Choice

George's Pigeons George trains a pigeon to peck a disk by reinforcing each disk peck.Once the response is learned,
George begins to cut back on the reinforcers.At first he reinforces every other response, then every third
Response, every fifth response, every tenth response, and so on.
Refer to George's Pigeons.George is using a procedure called .

A) ratio tuning
B) reinforcement decimation
C) intermittent reinforcement
D) stretching the ratio