Ongoing or recently completed across the United States are a series of lawsuits via which teacher plaintiffs are contesting how they are being evaluated using value-added models (VAMs) as part of states'/districts' teacher accountability systems. To investigate the empirical and pragmatic matters addressed in court, researchers conducted a case…

Given the growing importance of support needs assessment in the field of intellectual disability, it is imperative to develop assessments of support needs whose scores and inferences demonstrate reliability and validity. The purpose of this study was to examine the criterion validity of scores on the "Supports Intensity Scale-Children's…

It is common practice for K-12 schools to assess multilingual students' language proficiency to determine language support program placement. Because such programs can provide essential scaffolding, the policies guiding these assessments merit careful consideration. It is well accepted that quality assessments must be valid (representative of the…

Research has long been clear that teachers matter more to student learning than any other in-school factor. Improving the quality of teaching is critical to student success. Yet only recently have many states and districts begun to take seriously the importance of evaluating teacher performance and providing teachers with the feedback they need to…

As state tests of student achievement are used for an increasingly wide array of high- and low-stakes purposes, evaluating their instructional sensitivity is essential. This article uses data from the Bill and Melinda Gates Foundation's Measures of Effective Project to examine the instructional sensitivity of 4 states' mathematics and English…

Community-based education programs must demonstrate effectiveness to various funding sources. The pilot study reported here (funded by CYFAR, NIFA, USDA award #2008-41520-04810) had the goal of determining if state level programs with varied curriculum could use a common evaluation tool to demonstrate efficacy. Results in parenting and youth…

In this article, we explain how overly prescriptive, rigid state statutory and regulatory policy frameworks regarding teacher evaluation, tenure and employment decisions outstrip the statistical reliability and validity of proposed measures of teaching effectiveness. We begin with a discussion of the emergence of highly prescriptive state…

Responding to federal policy and recent research, states and districts have developed and begun implementing multiple-measure teacher evaluation systems. These systems generally include observational and/or student survey measures of instructional quality alongside measures of teachers' contributions to student learning (e.g., value-added models…

This report highlights 10 of the most advanced and talked-about teacher evaluation systems nationally: Delaware; Rhode Island; Tennessee; Hillsborough County, Florida; Houston, Texas; New Haven, Connecticut; Pittsburgh, Pennsylvania; Washington, DC (referred to throughout just as Washington); Achievement First (a charter management organization,…