Problem: To ensure valid and accurate reporting of research, various standards have been adopted that all researchers are encouraged to utilize. Which important mechanisms do Sandelowski and Barroso pointed out to follow? Select all that apply. A. Consulting with reference librarians B. Focus groups of at least four members C. Independent appraisal of each report by at least two reviewers D. Questioning primary study investigators as needed E. Reject reports that reviewers have differing points of view