Which of the following is a difference between the types of AB designs?
A) There is a possibility of carryover effects in a randomized AB design, whereas there is no such possibility in an ABAB design.
B) An AB design uses categorical variables, whereas a randomized AB design uses continuous variables.
C) An AB design does not involve withdrawal of treatment, whereas an ABAB design involves withdrawal of treatment.
D) A maximum of two phases can be accommodated by a randomized AB design, whereas an ABAB is a four phase experiment.

Question

Quizplus · Accepted Answer

In an AB design, there is no withdrawal of treatment as it involves only one phase of treatment. However, in an ABAB design, the treatment is withdrawn and then reintroduced in a subsequent phase, allowing for the evaluation of the effect of the treatment on the behavior. The other options (A, B, and D) are incorrect as they either contain inaccuracies or do not distinguish between the different types of AB designs.

Which of the Following Is a Difference Between the Types