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GED Testing Service

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Item Performance Across Native Language Groups on the Test of English as a Foreign Language. TOEFL Research Reports, 9.

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Alderman, Donald L.; Holland, Paul W. – 1981

The Test of English as a Foreign Language (TOEFL) was examined for instances in which the item performance of examinees with comparable scores differed according to their native languages. A chi-square procedure, sensitive to deviations of less than ten percent from the expected frequencies of correct item responses across several language groups,…

Descriptors: Comparative Testing, English (Second Language), Factor Analysis, Foreign Students

Examining the Validity of GED[R] Tests Scores with Scheduling and Setting Accommodations. GED Testing Service Research Studies, 2004-1

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George-Ezzelle, Carol E.; Skaggs, Gary – GED Testing Service, 2004

Current testing standards call for test developers to provide evidence that testing procedures and test scores, and the inferences made based on the test scores, show evidence of validity and are comparable across subpopulations (American Educational Research Association [AERA], American Psychological Association [APA], & National Council on…

Descriptors: Scheduling, Testing Accommodations, Academic Achievement, Test Validity