Multi-site randomized controlled trials (RCTs) provide unbiased estimates of the average impact in the study sample. However, their ability to accurately predict the impact for individual sites outside the study sample, to inform local policy decisions, is largely unknown. To extend prior research on this question, we analyzed six multi-site RCTs…

This paper, for practitioners and researchers, is based on a computer search of the ERIC database and other references, and organizes and summarizes the literature on needs assessment in counseling, guidance, and personnel services. Following the brief introduction, a definition of terms used in the paper and a discussion of the purposes and…