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This report is an aggregated statistical analysis of Measures of Academic Progress® (MAP®) data from international schools. The report provides a consistent means of comparisons of specific sub-groups by subject and grade, which allows partners to compare their MAP® results with other schools within their region or membership organization. There is an important statistical difference between the way the international data is compiled and the way USA norms are compiled. In developing these norms, large representative samples of test data are selected to assure that demographic groups and geographic regions in the USA are equally represented in the data set. Northwest Evaluation Association (NWEA) uses approximately 5 million test results for this kind of study. Employing this method ensures the means, standard deviations, and growth targets are not skewed by over representation of any one group or region. Norms are used to describe what the likely data would be if all students in the United States were tested. The International Comparisons are not statistical constructs like norms, but are an accurate reflection of the students who actually tested. The International Comparisons can be used to compare schools to other schools within a region, across regions, or across membership organizations. Another use of these comparisons is to compare these international students to similarly performing students from the USA norms and use the growth data available in the USA norms to compare the rate of student growth, and set growth targets. This summary report is produced twice per school year after the end of the fall and spring testing windows.

Descriptors: International Schools, Achievement Tests, Comparative Analysis, Statistical Analysis, Academic Achievement, Reading Achievement, Mathematics Achievement, Scores

Northwest Evaluation Association. 121 NW Everett Street, Portland, OR 97209. Tel: 503-624-1951; Fax: 503-639-7873; Web site: http://nwea.org

Autor: Northwest Evaluation Association

Fuente: https://eric.ed.gov/?q=a&ft=on&ff1=dtySince_1992&pg=4068&id=ED556247

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