Part 1

TOKEN ECONOMY AND TARGET BEHAVIOR

In this Instructor Contact Session, you will hear your instructor talk more about reversal and/or withdrawal designs. Search through the ABA literature and locate a study that uses a reversal or withdrawal design during some aspect of the experiment. Summarize the study and evaluate the internal validity of the study.

Part 2

MULTIPLE TREATMENT REVERSAL DESIGNS

In this Instructor Contact Session, you will hear your instructor talk about multiple treatment reversal designs. Listen to the lecture and take notes. Then post a substantive response to the following discussion question:

In Unit 2, you discussed multiple treatment reversal designs and identified advantages and limitations that exist when one adds conditions over the course of a study. In Units 4 and 5, you were provided additional information about these use of variations of the A-B-A-B design.

Has your original position or perspective on these designs changed?

Which of the A-B-A extension designs would you select for a behavioral research study you might conduct?