Which type of discrimination is occurring when touching a picture of pizza always results in reinforcement?
Question: Which type of discrimination is occurring when touching a picture of pizza always results in reinforcement?
In this blog post, I will explain which type of discrimination is occurring when touching a picture of pizza always results in reinforcement. This is a common scenario in applied behavior analysis (ABA), where we use different types of stimuli to teach new skills or modify behaviors.
Discrimination is the ability to respond differently to different stimuli based on their consequences. For example, if you touch a picture of pizza and get a slice of pizza as a reward, but touch a picture of broccoli and get nothing, you will learn to discriminate between the two pictures and touch the pizza more often.
The type of discrimination that is occurring in this case is called simple discrimination. Simple discrimination involves three components: a discriminative stimulus (SD), a response (R), and a reinforcing stimulus (SR). The SD is the cue that signals the availability of reinforcement for a specific response. The R is the behavior that produces the reinforcement. The SR is the outcome that follows the response and increases its future likelihood.
In our example, the picture of pizza is the SD, touching it is the R, and getting a slice of pizza is the SR. Whenever the picture of pizza is present, touching it will result in reinforcement. Therefore, the picture of pizza acquires stimulus control over the response of touching it.
Simple discrimination is one of the basic forms of learning that we use in ABA to teach new skills or modify behaviors. By using different SDs and SRs, we can shape and maintain desired responses and reduce or eliminate undesired ones. For example, we can use simple discrimination to teach a child to identify colors, match shapes, or follow instructions.
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