Many teacher education researchers have expressed concerns about the lack of rigorous impact evaluations of teacher preparation practices. I summarize these various concerns as they relate to issues of internal validity, measurement, and external validity. I then assess the prevalence of these issues by reviewing 166 impact evaluations of teacher…

In the United States, science education has experienced substantial shifts in the last decade. For in-service teachers, professional development programs (PDPs) play an important role in reform success. Despite well-known core features of effective PDPs, research still suggests a range of results among programs that claim to use those features. An…

Implementation fidelity is often thought of as a necessary condition to achieve internal validity and as having a relation to student outcomes. This relation is increasingly modeled; we reviewed reading intervention studies for students in pre-K-12 in which measures of implementation fidelity were included in final data analysis. A systematic…

Many teacher education researchers have expressed concerns with the lack of rigorous impact evaluations of teacher preparation practices. I summarize these various concerns as they relate to issues of internal validity, external validity, and measurement. I then assess the prevalence of these issues by reviewing 166 impact evaluations of teacher…

Background: Implementation of Health Promoting School (HPS) programs can be challenging due to the dynamic school context. Navigating between program fidelity and adaptation, as well as integrating the program, is essential for successful implementation, and consequently, for program effects. As part of an evaluation study in the Netherlands, this…

This article explores the development and evaluation of the Building Leadership Team Assessment Tool (BLT-AT), designed to measure Professional Learning Communities' (PLCs') use of effective school improvement practices. The BLT-AT is grounded in Ohio's inclusive instructional leadership model, which emphasizes the improvement of teaching and…

Background: School feeding programs' evaluation requires the measurement of food insecurity, a more objective indicator, within school in low-income countries. The Global Child Nutrition Foundation (GCNF) uses subjective indicators to report school feeding coverage rates across many countries that participate in the global survey of school meal…

The purpose of Project LISTO is to support the instructional capacity of science educators and to validate innovative practices and strategies via previously developed interventions that address literacy-infused science and technology integration with standards-aligned curriculum. The evaluation of LISTO involved a multisite cluster randomized…

Federal law requires states to develop systems to hold K-12 schools accountable for the outcomes of all students. This includes using data to illuminate how historically marginalized groups of students, including English Learners (ELs), are disadvantaged by systems that fail to meet their distinct needs. But for this to be useful for school…

While young people are generally better educated today than ever before, recent graduates tend to lack practical skills -- especially digital skills. Certification programs offer one effective way to address this digital skills gap. They give learners a way to gain the skills they need to compete, and also to demonstrate credibly that they possess…

Opponents of educational choice recycle the same false prophesies of doom without regard to the evidence or the size and scope of the proposals. Part I of this report assesses the validity of choice opponents' predictions that choice policies will lead to significant losses of district school funding and declining academic performance. Part II of…

The report of the national response to intervention (RTI) evaluation study, conducted during 2011-2012, was released in November 2015. Anyone who has read the lengthy report can attest to its complexity and the design used in the study. Both these factors can influence the interpretation of the results from this evaluation. In this commentary, we…

Performance measurement in the public sector is largely based on objective metrics, which may be subject to gaming behaviour. This paper investigates a novel subjective performance evaluation system where independent inspectors visit schools at very short notice, publicly disclose their findings and sanction schools rated fail. First, I…

The English Language Proficiency Assessment (ELPA) is used in the state of Michigan in the United States to fulfill government-mandated No Child Left Behind (NCLB) requirements. The test is used to promote and monitor achievement in English language learning in schools that receive federal NCLB funding. The goal of the project discussed here was…

This study examines the practical implications of using state tests to measure student achievement in impact evaluations that span multiple states and grades. In particular, the study examines the sensitivity of impact findings to (1) the type of assessment used to measured achievement (state tests or an external assessment administered by the…