Some students study hard beginning with the first couple of weeks of a semester because they subsequently receive very good final course grades. This best illustrates that human behavior is influenced by:

A. classical conditioning.
B. primary reinforcers.
C. latent learning.
D. delayed reinforcers.

The correct answer is letter D

Delayed reinforcement is a time delay between the desired response and the reward in the Operant Conditioning.

Operant conditioning (sometimes referred to as instrumental conditioning) is a method of learning that occurs through rewards and punishments for behavior. Through operant conditioning, an association is made between a behavior and a consequence for that behavior.

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