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ERIC Number: ED537163
Record Type: Non-Journal
Publication Date: 2012-May-24
Pages: 42
Abstractor: As Provided
Reference Count: 30
Can Value-Added Measures of Teacher Performance Be Trusted? Working Paper #18
Guarino, Cassandra M.; Reckase, Mark D.; Woolridge, Jeffrey M.
Education Policy Center, Michigan State University
We investigate whether commonly used value-added estimation strategies can produce accurate estimates of teacher effects. We estimate teacher effects in simulated student achievement data sets that mimic plausible types of student grouping and teacher assignment scenarios. No one method accurately captures true teacher effects in all scenarios, and the potential for misclassifying teachers as high- or low-performing can be substantial. Misspecifying dynamic relationships can exacerbate estimation problems. However, some estimators are more robust across scenarios and better suited to estimating teacher effects than others. (Contains 2 figures, 3 tables, and 16 footnotes.)
Education Policy Center. Michigan State University, 201 Erickson Hall, East Lansing, MI 48824-1034. Tel: 517-355-4494; Fax: 517-432-6202; e-mail:; Web site:
Publication Type: Reports - Evaluative
Education Level: Elementary Secondary Education
Audience: N/A
Language: English
Sponsor: Institute of Education Sciences (ED)
Authoring Institution: Michigan State University, Education Policy Center