In classical conditioning,what is the term for the initial stage of learning a new association

A)  acquisition
B)  habituation 
C)  adaptation
D)  contingency

Acquisition

The initial stage of learning or conditioning process during which an association between a stimulus and response is formed.

Classical Conditioning

A learning process in which a neutral stimulus becomes associated with a meaningful stimulus and acquires the capacity to elicit similar responses.

Learning

The process of acquiring new understanding, knowledge, behaviors, skills, values, attitudes, and preferences through study, experience, or teaching.