The conventional focus of validity in educational measurement has been on intended interpretations and uses of test scores. Empirical studies of test use by teachers, administrators and policy-makers show that actual interpretations and uses of test scores in context are invariably shaped by local users' questions, which frequently require…

The focus article by Coburn and Turner (this issue) seeks to provide a comprehensive framework for understanding data use in the context of data-use interventions. This commentary focuses on what the authors see as a glaring omission in what is otherwise a valuable framework: the issue of "useful data." It is their contention that the usefulness…

District central office administrators increasingly face policy demands to use "evidence" in their decision making. These demands up the ante on education policy researchers and policy makers to better understand what evidence use in district central offices entails and the conditions that may support it. To that end, the authors conducted a…

The seven chapters of this special issue explore problems in how to better understand the reasoning process that is used to establish evaluative conclusions. The many unanswered questions about reasoning should stimulate further investigation of the meaning of sound evaluative reasoning. (SLD)

Two political scientists summarize what they have learned about the role science plays in policymaking. They explain how "greenhouse policy" is being driven by inadequate notions of scientific consensus, the improper use of scenarios, and a suspect analogy to buying insurance. (Author/MCO)

An administrator's daily life is full of decisions that often involve an "on the spot" solution. This paper discusses some of the principles involved in drawing inferences in research and decision making, and describes how a knowledge of decision-making errors can help administrators. The paper also describes a case study that…