After his mother smiles, Jimmy's request for a snack is reinforced. But if his mother is not smiling, his subsequent request for a snack is not reinforced. By indicating that Jimmy's request for a snack will be reinforced, the mother's smile is a:

Respuesta :

Answer:

discriminative stimulus

Explanation:

Discriminative stimulus involves the ability to differentiate between one stimulus and similar stimulus and its is used both in classical conditioning and operant conditioning. It will strengthen a particular action and increase the chance that the action will take place when a particular stimulus is presented and not in case of similar stimulus. As per the question, Jimmy's mother's smile act as a discriminative stimulus.