A researcher is studying the effects of yoga on depression. participants are randomly assigned to one of the two groups: yoga and medication, which is the experimental group; or support group which is the control group.
In the scenario described above, the researcher implements two programs simultaneously: a 6 week yoga program coupled with medication management and a 6 wk support group program coupled with medication man agent. at thaw end of the 6 wks, participants complete a questionnaire measuring depression. The researcher compares the mean score of the experimental group with the mean sore of the control group.
What statistical test would be most appropriate for this purpose? explain it.