Multiple Choice
Every time three-year-old Erwin cried, his father would immediately pick him up, and he would stop crying.Now Erwin is a real crybaby.In this case, what has his father's behaviour acted as with respect to Erwin's crying behaviour?
A) a positive reinforcer
B) a conditioned stimulus
C) a negative reinforcer
D) an unconditioned stimulus
Correct Answer:

Verified
Correct Answer:
Verified
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