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The B.E. Journal of Economic Analysis & Policy

Editor-in-Chief: Ludwig, Sandra / Schmitz, Hendrik

Ed. by Auriol, Emmanuelle / Barigozzi, Francesca / Brunner, Johann / Fleck, Robert / Mastrobuoni, Giovanni / Mendola, Mariapia / Requate, Till / de Vries, Frans / Wenzel, Tobias / Zulehner, Christine

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1935-1682
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Volume 12, Issue 1

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Test Measurement Error and Inference from Value-Added Models

Cory Koedel / Rebecca Leatherman / Eric Parsons
Published Online: 2012-11-15 | DOI: https://doi.org/10.1515/1935-1682.3314

Abstract

It is widely known that standardized tests are noisy measures of student learning, but value added models (VAMs) rarely account for test measurement error (TME). We incorporate information about TME directly into VAMs, focusing on TME that derives from the testing instrument itself. Our analysis is divided into two parts – one based on simulated data and the other based on administrative micro data from Missouri. In the simulations we control the data generating process, which ensures that we obtain accurate TME metrics. In the real-data portion of our analysis we use estimates of TME provided by a major test publisher. In both the simulations and real-data analyses, we find that inference from VAMs is improved by making simple TME adjustments to the models. The improvement is larger in the simulations, but even in the real-data analysis the improvement is on the order of what one could expect if teacher-level sample sizes were increased by 11 to 17 percent.

This article offers supplementary material which is provided at the end of the article.

Keywords: value added; test measurement error; teacher evaluation; value added efficiency

About the article

Published Online: 2012-11-15


Citation Information: The B.E. Journal of Economic Analysis & Policy, Volume 12, Issue 1, ISSN (Online) 1935-1682, DOI: https://doi.org/10.1515/1935-1682.3314.

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Citing Articles

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[1]
Eric Parsons, Cory Koedel, and Li Tan
Journal of Educational and Behavioral Statistics, 2018, Page 107699861880388
[2]
J. R. Lockwood and Daniel F. McCaffrey
Journal of Educational and Behavioral Statistics, 2014, Volume 39, Number 1, Page 22
[3]
Ben Backes, James Cowan, Dan Goldhaber, Cory Koedel, Luke C. Miller, and Zeyu Xu
Economics of Education Review, 2017
[5]
Cory Koedel, Eric Parsons, Michael Podgursky, and Mark Ehlert
Education Finance and Policy, 2015, Volume 10, Number 4, Page 508
[6]
Cory Koedel, Kata Mihaly, and Jonah E. Rockoff
Economics of Education Review, 2015, Volume 47, Page 180
[7]
Eric Parsons, Cory Koedel, Michael Podgursky, Mark Ehlert, and P. Brett Xiang
Journal of Research on Educational Effectiveness, 2015, Volume 8, Number 1, Page 130
[8]
Yi Shang, Adam VanIwaarden, and Damian W. Betebenner
Educational Measurement: Issues and Practice, 2015, Volume 34, Number 1, Page 4
[9]
Matthew T. Johnson, Stephen Lipscomb, and Brian Gill
Journal of Research on Educational Effectiveness, 2015, Volume 8, Number 1, Page 60

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