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Peer reviewedGlass, Lynn W. – School Science and Mathematics, 1990
Examines public high school science enrollment trends in the state of Iowa. Presents enrollment data since 1978. (YP)
Descriptors: Enrollment, Enrollment Trends, School Statistics, Science Education
Download full textIngels, Steven J.; Pratt, Daniel J.; Rogers, James E.; Siegel, Peter H.; Stutts, Ellen S. – National Center for Education Statistics, 2004
This manual has been produced to familiarize data users with the procedures followed for data collection and processing for the base year of the Education Longitudinal Study of 2002 (ELS:2002). It also provides the necessary documentation for use of the public-use data files, as they appear on the ELS:2002 base year Electronic Codebook (ECB). Most…
Descriptors: Longitudinal Studies, Data Analysis, Statistical Data, Data Collection
Tourangeau, Roger; And Others – 1987
This manual was produced to familiarize data users with the procedures followed in data collection and processing of the fifth follow-up survey of the National Longitudinal Survey of the High School Class of 1972 (NLS-72) and to provide documentation for use of the file. The data file is a computerized data base, which is available on magnetic…
Descriptors: Data Collection, Databases, Followup Studies, High School Students
PDF pending restorationReckase, Mark D. – 1986
The work presented in this paper defined conceptually the concepts of multidimensional discrimination and information, derived mathematical expressions for the concepts for a particular multidimensional item response theory (IRT) model, and applied the concepts to actual test data. Multidimensional discrimination was defined as a function of the…
Descriptors: College Entrance Examinations, Difficulty Level, Discriminant Analysis, Item Analysis
