A woman reports feeling happy when she smells fresh hay and manure because of the association of these smells with wonderful visits to her grandparents' farm.How did the positive emotional response that this woman experiences develop

A)  operant conditioning 
B)  observational learning 
C)  classical conditioning 
D)  instrumental conditioning

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, leading to learned responses.

Operant Conditioning

A learning process through which the strength of a behavior is modified by reinforcement or punishment, introduced by B.F. Skinner.

Observational Learning

The process of learning behaviors by watching the actions of others, and the outcomes of those actions.