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The Comparability of Equal Raw Scores Obtained from In-Level and Out-Of-Level Testing: One Source of the Discrepancy between In-Level and Out-of-Level Grade Equivalent Scores.
Peer reviewed Peer reviewed
Plake, Barbara S.; Hoover, H. D. – Journal of Educational Measurement, 1979
An experiment investigated the extent to which the results of out-of-level testing may be biased because the child given an out of level test may have had a significantly different curriculum than the children given in-level tests. Item analysis data suggested this was unlikely. (CTM)
Descriptors: Achievement Tests, Elementary Education, Elementary School Curriculum, Grade Equivalent Scores
A Study To Identify Items on the Iowa Tests of Basic Skills Which Are Associated with Racial or Ethnic Group Membership; To Determine Possible Relationships between Instructional Needs and These Items; and To Develop Recommendation Strategies.
Beal, Barry B. – 1987
In spring 1986 Anglo students received higher scores than Blacks or Hispanics on the Iowa Tests of Basic Skills (ITBS), on all subtests and at all grade levels in the Denver (Colorado) Public Schools. This study, by attempting to locate patterns of item response, seeks to identify items in the ITBS that suggest differential pupil achievement by…
Descriptors: Alphabetizing Skills, Basic Skills, Black Students, Elementary Secondary Education
An Exploratory Study of Group Differences in the Performance of Pupils in Grades 6, 7, 8, and 9 on the Items in the Iowa Tests of Basic Skills.
Coffman, William E. – 1978
The Iowa Tests of Basic Skills were administered to over 600 black and white students in grades six through nine, to determine if the test showed bias against minorities. Outliers were identified from test results. Outliers are items which differ from the central core of test items because they fall outside the range expected from a random…
Descriptors: Achievement Tests, Basic Skills, Black Students, Comparative Testing