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…

Axis IV, one of the five dimensions of clinical description, has provided a way to report psychosocial and environmental problems that may affect the diagnosis, treatment, and/or prognosis of a psychiatric disorder. Originally conceived in DSM-III as a way to rate and rank the severity of particular environmental stressors, axis IV was simplified…

The quest for making social work a discipline based entirely on empirical research findings is not new. In this article, the authors briefly review the field of social work in the United States during the past 100 years and discuss how the quest for the status of a profession forced the emphasis on empirical research. However, the authors claim…

As evidence-based practice is increasingly accepted in social work, the challenges associated with its actual implementation become more apparent and pressing. This article identifies implementation as a critical issue for research; implementation itself must be better understood if evidence-based practices are to be used and resultant…

Throughout the history of professional social work in the United States, the field has embraced a positivistic view of science, a view continuing to be held by the mainstream of the profession. All social workers, to some extent, embrace the fundamental tenets of positivism. However, the rhetoric espousing positivistic science has not been matched…

This article elaborates on the centrality of interventions for social work practice and the importance of understanding the effects of interventions for a more efficient, harmless, transparent, and ethical social work practice. Low-bias research designs and meta-analyses are important means of generating the best possible evidence on what works in…

Thought Field Therapy (TFT) is a novel therapy that employs finger tapping on purported acupressure points. Over the past decade, TFT, promoted on the Internet and through testimonials of fast cures, has gained popularity with therapists, including clinical social workers. Although TFT claims to cure a wide variety of psychological and physical…

The child welfare system in Germany has been described as family service-oriented because families in need are entitled to request family support services. If there is any form of child maltreatment, there may be some kind of mandatory state intervention to protect the child. Using trends in the number of children affected by maltreatment, the…

This article builds on the articles of Proctor (2007 [this issue]) and Mullen, Bellamy, Bledsoe, and Francois (2007 [this issue]) suggesting practical principles on how to implement evidence-based practices in teaching and training. The first part of the article encompasses a discussion about knowledge-building strategies and teaching tools that…

This article examines issues in developing valid and reliable direct observation of behavior. Suggestions are made to minimize the problems that threaten validity and reliability. The discussion is concluded by an examination of costs and benefits of direct observation and who pays them and who benefits from them. (Contains 5 tables and 2 figures.)

In the context of the importance of valid self-report measures to research and evidence-based practice in social work, an argument-based approach to validity is presented and the concept of developmental validity is introduced. Cognitive development theories are applied to the self-report process of children, and cognitive pretesting is reviewed…