Which of the Following Statements Is/are True About the Need

Which of the following statements is/are true about the need to critique research quality?

A) Practitioners can rely on researchers to produce good studies, and therefore only have to know the results of those studies.
B) If a research study gets published practitioners can be assured that it is of high quality.
C) Social work practitioners need to understand research methods so they can discriminate strong from weak studies.
D) All of these.