Question

tendency for stimuli that are similar to the conditioned stimulus to elicit a conditioned response
stimulus generalization
stimulus discrimination
escape learning
conditioned emotional reaction (cer)
shaping

Explanation:

Stimulus generalization in psychology is the tendency for similar stimuli to the conditioned one to evoke a conditioned response. Stimulus discrimination is the opposite, escape - learning is about learning to avoid an aversive stimulus, CER is an emotional response learned through conditioning, and shaping is about reinforcing successive approximations of a desired behavior.

Answer:

A. stimulus generalization