Which Design Is Better, an A-B-A Design or an A-B-A-B

question 9

Multiple Choice

Which design is better, an A-B-A design or an A-B-A-B design?

• A)A-B-A; it is more parsimonious
• B)A-B-A; it has the ethical advantage of leaving subjects exactly where they started
• C)A-B-A-B; it compares two different treatments
• D)A-B-A-B; the treatment is evaluated twice

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Definitions:

Blood Glucose

The concentration of glucose present in the blood, an important indicator of metabolic health and a key factor in diabetes management.

Abundant Lanugo

Lanugo is the fine, soft hair that covers the body of a fetus or newborn, and having it abundantly refers to a dense coverage.

Ear Cartilage

The flexible connective tissue forming the structure of the outer part of the ear.

Flexed Body

A posture or position where joints are bent or limbs are drawn up, often seen as a natural response to discomfort or pain.