1. Why is it necessary to have a stable pattern within a phase? 2. ) Identify the four phases that make up an ABAB (reversal) design, and describe how the participant’s behavior is expected to change...

1. Why is it necessary to have a stable pattern within a phase?

2. ) Identify the four phases that make up an ABAB (reversal) design, and describe how the participant’s behavior is expected to change each time the phase is changed if the study is successful.