Dr Cross Is Implementing an A-B-A-B Design

question 18

Multiple Choice

Dr. Cross is implementing an A-B-A-B design. Which of the following scenarios best describes an A-B-A-B design?

• A) Dr. Cross assesses baseline anxiety and then introduces video clips of baby animals and then reassesses anxiety.
• B) Dr. Cross introduces video clips of baby animals and then assesses anxiety levels.
• C) Dr. Cross assesses baseline anxiety and then introduces video clips of baby animals, then reassesses anxiety and then the video clips of baby animals are ceased and anxiety levels are assessed again.
• D) Dr. Cross assesses baseline anxiety and then introduces video clips of baby animals, then reassesses anxiety, then the video clips of baby animals are ceased and anxiety levels are assessed, followed by reintroduction of video clips of baby animals and assessment of anxiety levels.

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Definitions:

Brainstem

The portion of the brain that connects the cerebrum with the spinal cord, playing a key role in regulating vital functions such as breathing, heart rate, and blood pressure.

Broca Area

A region of the frontal lobe in the brain associated with language processing, speech production, and comprehension.

Distorted Speech

A modification of speech sounds that renders them unclear or unintelligible, often resulting from neurological disorders, hearing impairment, or environmental factors.

Wernicke Area

A region of the brain important for language comprehension, located in the posterior part of the temporal lobe, typically in the left hemisphere.