Some responses, such as __________, are very difficult to classically condition in young babies because they do not yet have the motor skills needed to deal appropriately with the stimuli.
A) contentment
B) fear
C) hunger
D) sucking
Question 2
In classical conditioning, if the conditioned stimulus is presented alone enough times, without being paired with the unconditioned stimulus, __________ will __________.
A) a conditioned response; occur
B) extinction; occur
C) learning; take place
D) learning; be severely compromised
Girl with young cat
The platypus is very difficult to spot even on the surface of a river.
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