The most convenient data for analysis of prevalence rates of a particular psychiatric disorder are obtained? – Nursing School Essays

According to the course text, the term “race”:
A.regards everything in our inner world as originating from our relationship with our biological mother.B.addresses questions of personal authenticityC.may be considered an outdated termD.None of the above
The most convenient data for analysis of prevalence rates of a particular psychiatric disorder are obtained:
A.by conducting unbiased experiments.B.by contacting people by phoneC.in clinical settingsD.by using prison population samples