3 Term Contingency Model (ABC)

provides framework for all behavioral interventions

What does the ABC stand for?

A-antecedent: an event happening prior to a behavior that sets the stage for behaviors (the stimulus)

B-behavior: the concerning behavior (the response)

C-consequence: event(s) following the behavior and determine if the behavior will continue (the reinforcement)

The antecedent AND consequence affect the behavior performed


  • EX: Antecedent---> Behavior <---Consequence

We must understand how the antecedent affects behavior and see how we can modify this to increase desired behavior. This might include changing classroom rules and procedures.

For example.....

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It is important for teachers to use collected data and background knowledge on the student. By breaking down the data, teachers can find a proper intervention for undesired behaviors.