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
