A researcher is interested in studying the effects of a music therapy program on depression in nursing home residents. The IV is the music therapy program (2 sessions per week for 6 weeks) and the DV is scores on three different measures of depression. If you were conducting this research, which of the following designs would you choose? Please explain.
· One-group post-test only design
· One-group pretest-posttest design
· Non-equivalent control group design
· Non-equivalent pretest-posttest design
· Interrupted time series design
· Control series design
