By about ________ months of age, a child can typically solve invisible displacement problems

An unconditioned stimulus is any stimulus that

a. triggers a learned response. b. is based upon its association with another unconditioned stimulus. c. provides positive or negative reinforcement. d. naturally elicits a behavior without learning. e. inhibits previously learned behavior.

The linkage between a UCS and the UCR requires

a. that the person must be hungry. b. the individual must receive either punishment or reinforcement. c. a critical impact of insight. d. no learning. e. that the dog salivates at the sound of the bell.