Question

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

Explanation:

In operant conditioning, an operant response is a behavior that operates on the environment to produce certain consequences. Escape learning is about learning to remove an aversive stimulus. A discriminative stimulus signals the availability of reinforcement. A reinforcer is what follows a response to increase its likelihood. The description matches the definition of an operant response.

Answer:

E. operant response