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#1. A Board Certified Behavior Analyst (BCBA) is working with a school for gifted children to increase their use of complex words and sentences. They have designed an intervention and are currently collecting baseline data. The BCBA should not recommend initiating the intervention if the baseline data indicate which of the following?

The baseline data for complex word and sentence usage becomes stable.

The baseline data for complex word and sentence usage shows a decreasing trend.

The baseline data for complex word and sentence usage shows an increasing trend.

The baseline data for complex word and sentence usage is highly variable.

When the goal is to increase a specific behavior and the baseline data already demonstrates a clear increasing trend it suggests that the behavior may be improving or developing without the immediate need for a formal intervention In such circumstances the BCBA might choose to continue monitoring the behavior to determine if it can reach the desired terminal goal on its own Initiating an intervention when the behavior is already trending in the desired direction could make it difficult to ascertain if the intervention itself or other natural variables caused the observed improvement Conversely if the baseline is stable or decreasing intervention is generally warranted to achieve the desired increase High variability might indicate a need for more baseline data collection or further analysis to identify controlling variables before making a decision but an increasing trend for a goal to increase is the most direct reason not to start an intervention immediately

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