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Results

#1. A Board Certified Behavior Analyst (BCBA) is selecting an appropriate single-subject design to address a client’s behavior. Which of the following behavioral targets would be least suitable for intervention using a Changing Criterion Design?

Increasing the number of pages a client reads from a book each night.

Teaching a client how to independently tie their shoes.

Decreasing the amount of time a client spends playing video games per day.

Gradually increasing the duration a client tolerates wearing a mask.

The Changing Criterion Design is most effectively used when the target behavior is already in the clients repertoire and can be measured on a continuum It is used to demonstrate experimental control by showing that the behavior changes systematically with gradual changes in the criterion for reinforcement or punishment This design is NOT suitable for teaching new behaviors skill acquisition Options A C and D involve modifying an existing behaviors frequency duration or magnitude which are appropriate for a changing criterion design Teaching a client to tie their shoes however is a new skill acquisition task that would be better suited for designs like a multiple baseline multiple probe or a reversal design paired with teaching procedures such as chaining or shaping

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