In the Context of the Types of Single-Subject Baseline Design

Multiple Choice

In the context of the types of single-subject baseline design, which of the following is a characteristic of AB designs, where A refers to the baseline phase and B refers to the intervention phase of an experiment?

A) They present only a single administration of each condition and thus lack intrasubject replication.
B) They include a reversal phase in which baseline conditions are reestablished after exposure to a treatment.
C) They are appropriate only if it is desirable to return a subject to pre experimental conditions prior to the termination of a study.
D) They are designed to assess whether any changes in the baseline level produced by an intervention are reversible.