Randomized trials play an important role in estimating the effect of a policy or social work program in a given population. While most trial designs benefit from strong internal validity, they often lack external validity, or generalizability, to the target population of interest. In other words, one can obtain an unbiased estimate of the study…

This article briefly chronicles the development of mixed methods research and its use in social work. We then move onto a discussion of terms and designs, reasons for (and for not) using mixed methods. Drawing upon exemplars, we address how to write up a mixed methods study when (1) the sample is single; single for one part, with a subset for the…

This article addresses a void in the literature about social work research and evaluation (R&E) designs, in particular related to the quality of its published work. Data were collected by reviewing three empirically oriented journals, "Research on Social Work Practice", "Journal of Social Service Research", and "Social Work Research" over three…

This article concerns the introduction of evidence-based practice (EBP) in foundation research. Five suggestions are discussed: (a) EBP relative to other epistemologies, (b) EBP in the context of the history of science, (c) research designs and levels of EBP, (d) EBP and measurement, and (e) systematic reviews as a review topic of the content of…