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ERIC Number: EJ880615
Record Type: Journal
Publication Date: 2010
Pages: 20
Abstractor: As Provided
Reference Count: 15
ISSN: ISSN-0162-3737
An Investigation of Bias in Reports of the National Assessment of Educational Progress
Braun, Henry; Zhang, Jinming; Vezzu, Sailesh
Educational Evaluation and Policy Analysis, v32 n1 p24-43 2010
This article investigates plausible explanations for the observed heterogeneity among jurisdictions in the exclusion rates of students with disabilities and English language learners in administrations of the National Assessment of Educational Progress (NAEP). It also examines the operating characteristics of a particular class of methods, called full-population estimates (FPE), that carry out statistical adjustments to NAEP's reported scores to address the possible bias due to differential exclusion rates. The conclusions are that for many states there is a strong likelihood of bias in the results reported and that neither the current NAEP procedure nor the FPE methodologies constitute an ideal solution to the problem. Some alternative methods and related research questions are indicated. It is suggested that the general strategy employed here may be useful in investigating similar questions in other large-scale assessment surveys. (Contains 7 tables, 4 figures, and 12 notes.)
SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: Elementary Education; Elementary Secondary Education; Grade 4
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Assessments and Surveys: National Assessment of Educational Progress