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ERIC Number: ED211592
Record Type: Non-Journal
Publication Date: 1981-Nov-1
Pages: 87
Abstractor: N/A
Reference Count: N/A
Test Design Project: Studies in Test Bias. Annual Report.
McArthur, David
Item bias in a multiple-choice test can be detected by appropriate analyses of the persons x items scoring matrix. This permits comparison of groups of examinees tested with the same instrument. The test may be biased if it is not measuring the same thing in comparable groups, if groups are responding to different aspects of the test items, or if cultural and linguistic issues take precedence. An empirical study of the question of bias as shown by these techniques was conducted. Five related schemes for the statistical analysis of bias were applied to the Comprehensive Test of Basic Skills which was administered in either the English or Spanish language version at two levels of elementary school in bilingual education programs. The objectives measured were recall or recognition ability, ability to translate or convert verbal or symbolic concepts, ability to comprehend concepts, ability to apply techniques, and ability to extend interpretation beyond stated information. The results indicated that several items in the tests showed strong evidence of bias, corroborated by a separate analysis of linguistic and cultural sources of bias for many items. (Author/DWH)
Publication Type: Reports - Research; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: National Inst. of Education (ED), Washington, DC.
Authoring Institution: California Univ., Los Angeles. Center for the Study of Evaluation.
Identifiers - Assessments and Surveys: Comprehensive Tests of Basic Skills