This monograph is a comprehensive presentation and discussion of the 1972-73 National Assessment mathematics data. It is a report from the National Council of Teachers of Mathematics Project for Interpretive Reports on National Assessment. The report examines data from four age groups (nine, thirteen, seventeen, and adult) and evaluates…

As a preliminary step in customizing the Stanford Achievement Test, a study was made to compare the test items at each level with the curriculum objectives of a Florida school district, classifying them as either matching, above or below grade level, or unmatching. Results are shown in table form. (TE)

Several questions are frequently asked by parents and news media regarding the purpose, content, and interpretation of the Comprehensive Tests of Basic Skills (CTBS)--the achievement battery currently used in South Carolina assessment programs. Proper interpretation of the CTBS, or any school district testing program, requires a sound…

Goodness of fit of raw test score data were compared, using two latent trait models: the Rasch model and the Birnbaum three-parameter logistic model. Data were taken from various achievement tests and the Scholastic Aptitude Test (Verbal). A minimum sample size of 1,000 was required, and the minimum test length was 40 items. Results indicated that…

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…