Positive client outcomes can be best predicted by

Which of the following is most likely to contribute to inflated perceptions of the effectiveness of alternative therapy such as herbal medicine?

A) meta-analysis B) randomized clincial trials C) the placebo effect D) comorbiditt assessment

Based on the error in sampling in political polls that was described in your text, how would you recommend obtaining a representative sample for a poll (survey) about political candidates?

a. Conduct phone surveys using home phone numbers. b. Poll people at the local office, which provides Food Stamps and other forms of assistance. c. Give the poll face-to-face at college campuses nationwide. d. Give the poll face-to-face at an average supermarket or post office.