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Cole, Russell; Haimson, Joshua; Perez-Johnson, Irma; May, Henry – National Center for Education Evaluation and Regional Assistance, 2011
State assessments are increasingly used as outcome measures for education evaluations. The scaling of state assessments produces variability in measurement error, with the conditional standard error of measurement increasing as average student ability moves toward the tails of the achievement distribution. This report examines the variability in…
Descriptors: Academic Achievement, Pretests Posttests, Measurement, Error of Measurement