The name of the stimulus is discriminative stimulus.
A discriminative stimulus supports the continuation of a particular behavior. The stimulus could be a person, a sound, or an occasion. As opposed to a generalization stimulus, which may be applied in several circumstances, a discriminative stimulus is a behavioral response associated with a particular stimulus.
A discriminative stimulus is created when the reaction is reinforced in its presence but not when it is absent. For example, if a child requests to watch TV, his screen time is typically increased when his mother must take part in a business conference call, but never when she does not.
Ms. Price raises her hand in the air as it is a habit of hers. So, we can say Ms. Price shows discriminative stimulus.
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