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Download full textWitt, Elizabeth A.; And Others – 1990
Recent trends in achievement test scores among elementary and secondary school students in Iowa are examined. Form 7 of the Iowa Tests of Basic Skills (ITBS) was used to measure the achievement of students in grades 3 and 7; and Form X-7 of the Iowa Tests of Educational Development (ITED) was used for 11th graders. These grade levels were chosen…
Descriptors: Achievement Tests, Comparative Testing, Educational Trends, Elementary School Students
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
