Question

response that operates on the environment to produce certain consequences
operant response
reinforcer
operant conditioning
escape learning
discriminative stimulus

Explanation:

In operant - conditioning theory, an operant response is a behavior that operates on the environment to produce certain consequences. A reinforcer is something that increases the likelihood of a behavior. Operant conditioning is the overall process of learning through the consequences of behavior. Escape learning is a type of learning where an organism learns to perform a response to end an aversive stimulus. A discriminative stimulus signals the availability of reinforcement.

Answer:

A. operant response