1. Describe the differences between the MSW and the MSWO.
2. DeLeon and Iwata (1996), describe how the results of the MSWO, the PS, and the MS compared for 3 of the students based on a visual analysis of the data.
3. What was the purpose of conducting a reinforcer assessment after a preference assessment?
4. Describe the results for Mark and Roger for both the concurrent-schedule and single-schedule conditions (Roscoe et al., 1999, p. 487). Then, describe the differences between their results (e.g., how did Mark's data compare to Roger's data).