After pigs learned to pick up and deposit wooden coins in a piggy bank, the pigs subsequently dropped the coins repeatedly and pushed them with their snouts. this best illustrates the importance of in operant conditioning.
a. conditioned reinforcement
b. latent learning
c. generalization
d. biological predispositions

biological predispositions              

Explanation:

Biological predispositions: The term biological predispositions is defined as an individual's chance of developing a specif pattern of behavior or disease is being increased based on the genes that the individual has been inherited from his or her parents because genes from the parents influences an individual's traits and IQ, etc.

In operant conditioning, the biological predisposition of an animal consists of the capability of displaying operant behavior. With the help of biological predispositions, an organism learn to connect or associate with the environment.

In the question above, the statement best illustrates the importance of biological predispositions in operant conditioning.

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