Which of the following statements most accurately reflects an A-B-A-B design?
A) A-B-A-B designs measure different variables with different participants.
B) A-B-A-B designs measure the same variable with the same participant.
C) A-B-A-B designs measure the same variable with different participants.
D) A-B-A-B designs measure different variables with the same participant.

Question

Quizplus · Accepted Answer

A-B-A-B designs involve measuring the same variable with the same participant(s) across different phases: baseline (A), intervention (B), return to baseline (A), and reintroduction of the intervention (B). This allows for the observation of changes in the variable with the introduction and withdrawal of an intervention.

Which of the Following Statements Most Accurately Reflects an A-B-A-B