John says, "Please pass the salt." Ralph passes the salt. "Thank you," says John. John's request precedes a behavior (salt passing) that is reinforced ("Thank you"). Thus, the request "Please pass the salt" is a ____ for passing the salt.

Respuesta :

discriminative stimulus

Explanation:

A discriminative stimulus is used to reinforce a behavior in presence of a stimulus.In other words it is used to control the behavior in presence of a stimulus.Since the behavior has been reinforced in the past by the presence of the Stimulus.

For Example: A dog starts salivating when the bell is ringed.So here the bell is the Stimulus