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#1. A Board Certified Behavior Analyst (BCBA) is developing a behavior intervention plan for a client. The BCBA aims to incorporate a strategy that acts before a target behavior occurs, specifically by altering the effectiveness of a reinforcer or the likelihood of the behavior, independent of the client’s response. Which of the following interventions fits the description of an antecedent intervention?
An antecedent intervention is a procedure implemented before a behavior occurs to prevent or reduce the likelihood of the behavior or to evoke a desired behavior Noncontingent reinforcement NCR involves delivering reinforcement on a fixed or variable time schedule independent of the learners behavior By providing access to reinforcement eg attention tangibles without requiring a specific response NCR can function as a motivating operation MO intervention decreasing the value of the maintaining reinforcer for problem behavior thereby abating the problem behavior The other options are consequencebased interventions Positive reinforcement involves delivering a reinforcer following a desired response to increase its future frequency Negative punishment involves removing a stimulus following a response to decrease its future frequency Corrective feedback is delivered after an incorrect response to guide the learner towards the correct response All three of these occur after the behavior making them consequent interventions whereas NCR explicitly occurs before the response is emitted
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