Applied Behavior Analysis Technician (ABAT) Practice Test

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What symbol is used to represent a negative reinforcer?

  1. SR+

  2. NR+

  3. NR-

  4. SR-

The correct answer is: NR-

The symbol used to represent a negative reinforcer is commonly recognized as NR-. This notation signifies "negative reinforcement." In the context of behavior analysis, negative reinforcement occurs when a behavior is strengthened by the removal of an aversive stimulus. For instance, if a student completes their homework (the behavior) to avoid the stress of being reprimanded (the aversive stimulus), the removal of that stress reinforces the student's behavior of completing homework. Thus, the NR- symbol effectively illustrates that the reinforcement is linked to avoiding negativity rather than adding a positive stimulus. Understanding this concept is crucial for applying behavior analytic principles effectively, as it helps clarify how behaviors can be modified through the manipulation of consequences.

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