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Download full textHuang, Chi-Yu – 1998
This study examined the reliability of three methods for detecting differential item functioning (DIF) (i.e., the Mantel-Haenszel method, the standardization method, and the logistic regression method) applied to achievement test data. In addition, the study examined the influences of different sources of error variance, including examinee,…
Descriptors: Identification, Item Bias, Regression (Statistics), Reliability
Fan, Xitao; Yin, Ping – 2001
The literature on measurement reliability shows the consensus that group heterogeneity with regard to the trait being measured is a factor that affects the sample measurement reliability, but the degree of such effect is not entirely clear. Sample performance also has the potential to affect measurement reliability because of its effect on the…
Descriptors: Error of Measurement, Measurement Techniques, Reliability, Sample Size
Peer reviewedBaglin, Roger F. – Journal of Educational Measurement, 1981
While major test publishers randomly select school districts for their national norming studies, a survey of "accepting" and "declining" districts supports the hypothesis that self-selection bias results in overrepresentation of districts which already use a specific publisher's tests or instructional materials. (Author/BW)
Descriptors: National Norms, Norm Referenced Tests, Sampling, Standardized Tests
Peer reviewedFeldt, Leonard S. – Journal of Educational Measurement, 1973
This paper provides a guide to the minimum size of treatment groups, inferred from the relationships between pupil norms and norms for class averages of standardized achievement tests. (Editor)
Descriptors: Class Average, Correlation, Educational Experiments, Group Norms
Peer reviewedMathews, Walter M. – Journal of Educational Measurement, 1973
This article reports a comparative study of teacher acceptance of two kinds of testing reports that were generated for Form A of the Iowa Tests of Basic Skills at the fourth-grade level. (Editor)
Descriptors: Academic Achievement, Academic Records, Data Collection, Elementary Schools
Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score on any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Administration, Comparative Analysis, Correlation, Data Collection
Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Administration, Comparative Analysis, Correlation, Data Collection
