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Direct linkCui, Zhongmin; Kolen, Michael J. – Journal of Educational Measurement, 2009
This article considers two new smoothing methods in equipercentile equating, the cubic B-spline presmoothing method and the direct presmoothing method. Using a simulation study, these two methods are compared with established methods, the beta-4 method, the polynomial loglinear method, and the cubic spline postsmoothing method, under three sample…
Descriptors: Equated Scores, Methods, Sample Size, Test Content
SHINN, RIDGWAY F., JR. – 1965
TO ORGANIZE A NEW CURRICULUM FOR THE STUDY OF SOCIAL SCIENCES A 1-YEAR PROGRAM WAS INSTITUTED TO STUDY THE EFFECTS OF AN INTEGRATED HISTORICAL-GEOGRAPHICAL APPROACH. GROUPS AT THE FOURTH-, SIXTH-, AND EIGHTH-GRADE LEVELS WERE USED. THE OBJECTIVE DATA WERE GATHERED FROM THE IOWA WORK STUDY SKILLS AND THE SEQUENTIAL TESTS OF EDUCATIONAL PROGRESS,…
Descriptors: Comprehension, Curriculum Development, Geography, History
