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Chapter 13

PSYB45 - Chapter 13.docx

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University of Toronto Scarborough
Zachariah Campbell

Behavior Modification: Principles & Procedures Chapter 13 – Understanding Problem Behaviors through Functional Assessment  When using behavioral modification procedures to help a person increase a desirable behavior or decrease or eliminate an undesirable behavior you must conduct an assessment of the three-term contingency to determine the antecedent events that evoke the behavior and the reinforcing consequences that maintain it – the process of identifying these variables before treating a problem behavior is called functional assessment  Conducting a functional assessment is always the first step in using behavior modification procedures to decrease problem behaviors  One basic principle of behavior analysis is that behavior is lawful – regardless of whether to the behavior is desirable or not, its occurrence is controlled by environmental variables (it is a function of the environment)  Respondent behavior is controlled by antecedent stimuli, and operant behavior is controlled by antecedents and consequences that make up three- terms contingencies of reinforcement and punishment  Functional assessment is the process of gathering information about the antecedents and consequences that are functionally related to the occurrence of a problem behavior – it provides information that helps you determine why a problem behavior is occurring  Four broad classes of reinforcing consequences or functions of problem behaviors: o Social positive reinforcement: a positive reinforcing consequence is delivered by another person after the target behavior (ex. Attention) o Social negative reinforcement: another person terminates an aversive interaction, task or activity after the occurrence of a target behavior, and as a result, the behavior is most likely to occur (ex. Complaining) o Automatic positive reinforcement: behavior produced a reinforcing consequence automatica
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