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Results

#1. Layla consistently labels objects as ‘furry’ if they possess hair. For example, she says ‘furry’ when she sees a cat, a dog, and even a teddy bear. Today, Layla encounters a man with a very long, prominent beard and immediately exclaims, ‘Furry’ In this scenario, the beard, as a stimulus, is functionally a part of which type of stimulus class for Layla?

Arbitrary stimulus class

Response class

Consequence stimulus class

Feature stimulus class

A feature stimulus class is a group of stimuli that share common physical topographies or relational properties In this case the shared feature among the cat dog teddy bear and the mans beard is hair or a furry texture Laylas response of saying furry is evoked by this shared feature Therefore the beard belongs to a feature stimulus class An arbitrary stimulus class on the other hand consists of stimuli that do not share common physical features but have been grouped together through learning eg words pictures and actual objects that all represent car A response class is a group of responses that produce the same effect on the environment regardless of their topography A consequence stimulus class refers to stimuli that follow a behavior and affect its future occurrence such as a reinforcer or a punisher Since the beard is an antecedent stimulus evoking a response it cannot be a consequence stimulus class

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