When randomized control trials are not possible, quasi-experimental methods often represent the gold standard. One quasi-experimental method is difference-in-difference (DiD), which compares changes in outcomes before and after treatment across groups to estimate a causal effect. DiD researchers often use fairly exhaustive robustness checks to…

Classroom observational protocols, in which raters observe and score the quality of teachers' instructional practices, are often used to evaluate teachers for consequential purposes despite evidence that scores from such protocols are frequently driven by factors, such as rater and temporal effects, that have little to do with teacher quality. In…

Research practice partnerships (RPPs) are an increasingly popular approach for bringing together research and practice in ways that can improve and transform education. To date, however, evaluators have lacked measures to evaluate such partnerships. This paper describes a project to develop validity evidence for a survey to evaluate the…