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Dahlia K. Remler; Gregg G. Van Ryzin – American Journal of Evaluation, 2025
This article reviews the origins and use of the terms quasi-experiment and natural experiment. It demonstrates how the terms conflate whether variation in the independent variable of interest falls short of random with whether researchers find, rather than intervene to create, that variation. Using the lens of assignment--the process driving…
Descriptors: Quasiexperimental Design, Research Design, Experiments, Predictor Variables
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Perna, Laura W.; Leigh, Elaine W. – Educational Researcher, 2018
Over the past decade, but especially in the past few years, programs with a "promise" label have been advanced at the local, state, and federal levels. To advance understanding of the design, implementation, and impact of the many different versions of emerging programs, policymakers, practitioners, and researchers need an organizing…
Descriptors: Classification, College Programs, Multivariate Analysis, Policy Analysis
Castellano, Katherine E.; Ho, Andrew D. – Council of Chief State School Officers, 2013
This "Practitioner's Guide to Growth Models," commissioned by the Technical Issues in Large-Scale Assessment (TILSA) and Accountability Systems & Reporting (ASR), collaboratives of the "Council of Chief State School Officers," describes different ways to calculate student academic growth and to make judgments about the…
Descriptors: Guides, Models, Academic Achievement, Achievement Gains
Adey, Philip; And Others – 1992
This teacher's guide is part of a program of activities that help secondary-level students develop the complex thinking skills needed to succeed in science. This program can be used with current curriculum materials. It is designed to help students integrate ideas and develop concepts that demonstrate higher level thinking. A rich environment of…
Descriptors: Classification, Concept Formation, High Schools, Models