In addition to measuring the Body Concern of the participants who joined a fraternity/sorority both immediately before and immediately after they join, Dr. Fletcher measures them for the 3 weeks before and the 3 weeks after. This type of design is known as a(n):a. Nonequivalent control group design
b. Nonequivalent groups interrupted time-series design
c. Interrupted time-series design
d. Stable-baseline design
e. Multiple-baseline design