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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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Publication Date
In 20150
Since 20140
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Descriptor
Computation1
Criteria1
Data Analysis1
Disabilities1
Error of Measurement1
Evaluation Methods1
Limited English Speaking1
National Competency Tests1
Reliability1
Research Methodology1
Sampling1
School Districts1
Student Evaluation1
Urban Schools1
Validity1
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Source
National Assessment Governing…1
Author
Haertel, Edward H.1
Publication Type
Reports - Descriptive1
Education Level
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Including Students with Disabilities and English Language Learners in NAEP: Effects of Differential Inclusion Rates on Accuracy and Interpretability of Findings
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Haertel, Edward H. – National Assessment Governing Board, 2003
The paper initially describes the sources of uncertainty in National Assessment of Educational Progress (NAEP) data and standard errors. As NAEP sample sizes have increased, greater precision has been attained by the program. For this reason, exclusion effects are increasingly important. Two scenarios of revised NAEP results are presented (for New…
Descriptors: Error of Measurement, Computation, Disabilities, Limited English Speaking