文件名称：An empirical investigation of two variance estimation procedures for use with criterion-referenced tests
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学术 论文
An empirical investigation of two variance estimation procedures for use with criterion-referenced tests Psychology in ihe Schools 1981, 18, 93-98 AN EMPIRICAL INVESTIGATION O F TWO VARIANCE ESTIMATION PROCEDURES FOR USE WITH CRITERION-REFERENCED TESTS A. D. PELLEGRINI University of Georgia J . V. LONG AND S. H . HORWITZ University of Rhode Island This study investigated two procedures for estimating the population standard devia- tion of nonnormed tests. Two normed tests, bo