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Bush, M. Joan; Schumacker, Randall E. – 1993
The feasibility of quick norms derived by the procedure described by B. D. Wright and M. H. Stone (1979) was investigated. Norming differences between traditionally calculated means and Rasch "quick" means were examined for simulated data sets of varying sample size, test length, and type of distribution. A 5 by 5 by 2 design with a…
Descriptors: Computer Simulation, Item Response Theory, Norm Referenced Tests, Sample Size
Derevensky, Jeffrey L.; Mardell-Czudnowski, Carol – 1986
This study investigated whether the Developmental Indicators for the Assessment of Learning-Revised (DIAL-R) norms, established with American children, are applicable to a Canadian population. Based on an early childhood model which incorporates ecological validity as well as predictive validity, the DIAL-R assesses three areas: motor, concepts…
Descriptors: Academically Gifted, Correlation, Cross Cultural Studies, Cultural Differences
Ligon, Glynn; Mangino, Evangelina – 1991
Issues related to achieving adequate national norms are reviewed, and a new methodology is proposed that would work to provide a true measure of national achievement levels on an annual basis and would enable reporting results in current-year norms. Statistical methodology and technology could combine to create a national norming process that…
Descriptors: Academic Achievement, Computer Uses in Education, Data Analysis, Data Collection
Boldt, R. F. – 1978
Problems of obtaining a representative sample for a national survey are discussed, and the experiences of Educational Testing Service are used as examples of some methods used to cope with these problems. It is suggested that researchers: (1) capitalize on some existing program; (2) establish in the minds of the possible examinees and the possible…
Descriptors: Bias, Data Collection, Educational Research, Motivation