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Results

#1. A Board Certified Behavior Analyst (BCBA) is planning a research study using a multiple baseline design to evaluate the effectiveness of a new social skills curriculum. Based on the fundamental principles and typical applications of this experimental design, which of the following is NOT a recommended application for evaluation using a multiple baseline design?

A) The effects of the intervention across multiple different settings (e.g., home, school, clinic).

B) The differential effects of multiple distinct interventions being compared simultaneously.

C) The impact of the intervention on multiple different participants (e.g., three students).

D) The effectiveness of the intervention across multiple target behaviors (e.g., initiating greetings, maintaining eye contact, sharing toys).

A multiple baseline design is designed to demonstrate experimental control by introducing a single independent variable intervention sequentially across two or more baselines settings participants or behaviors The core strength of this design is its ability to show that the introduction of that specific intervention leads to a change in the dependent variable in a staggered fashion Therefore it is not recommended for evaluating multiple distinct interventions simultaneously within the same design as this would violate the principle of having a single independent variable and make it difficult to determine which specific intervention was responsible for observed changes Options A C and D are all standard and appropriate applications of a multiple baseline design

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