Bayesian and classical approaches to classification of vocational data were compared using an educational data set from a longitudinal study of professional growth and development in organizations (P. Ruohotie et al., 1994). Data were from 2,430 workers in companies in Finland who completed a questionnaire with behavior and background statements.…

Bootstrap analysis, both for nonparametric statistical inference and for describing sample results stability and replicability, has been gaining prominence among quantitative researchers in educational and psychological research. Procedurally, however, it is often quite a challenge for quantitative researchers to implement bootstrap analysis in…

Presents a set of classroom activities and a computer program that have been used to help students intuitively grasp, in a minimum of instructional time, such fundamental concepts as hypothesis testing, random sampling, statistical inference and p-values. The lesson shows students how statistical thinking and microcomputers can be used in…

In order to evaluate our methods and approaches of estimating the operating characteristics of discrete item responses, it is necessary to try other comparable methods on similar sets of data. LOGIST 5 was taken up for this reason, and was tried upon the hypothetical test items, which follow the normal ogive model and were used frequently in…

Based on published statistics and on information collected by Quality Education Data (QED) during telephone calls to every United States school district in 1981-82, 1982-83, and 1983-84 (including all intermediate units and subdistricts of large school districts), this publication presents in tabular form information on the size of the…

This report presents findings of a national mail survey of school principals conducted by the National Center for Education Statistics (NCES) in Spring 1982 to assess recent changes in computer availability and to obtain data about instructional uses and needs from the school perspective. Results are reported for the following topics addressed by…

The Maui Hawaii Educational consortium (the Maui School District and Maui Community College) sought scientifically based evidence for the effectiveness of the "Cognitive Tutor (CT) Algebra I Curriculum" to inform adoption decisions. Decision makers were particularly interested in whether the use of the "CT" program affects…

This CD-ROM disk contains a computer program developed by the Office of Educational Research and Improvement to provide convenient access to the wealth of education statistics published by the National Center for Education Statistics (NCES). The program contains over 1,800 tables, charts, and text files from the following NCES publications,…

Selected program evaluations through the GENeric Evaluation SYStem (GENESYS) of the Austin (Texas) Independent School District are reviewed. GENESYS, implemented in 1988-89, consists basically of a database methodology assessing the school system's longitudinal databases and a set of computer programs using the Statistical Analysis System (SAS) to…

Based on annual reports from the states on project activities carried out under the Library Services and Construction Act (LSCA), this report provides an overview of programs authorized under Title I of LSCA over a 5-year period to support special projects at major urban resource libraries (MURLs) which operated for users on a regional basis. It…

Quality Education Data is an education research firm identifies and tracks the use of technology in education. QED surveyed a selection of all public school districts and schools in the United States about technology trends. This report provides statistics for hardware, software, and network purchases in K-12 schools for 1996-97 as compared to…

District library media directors face dual demands including competition for limited educational dollars and the need to meet increasingly sophisticated student research requests. To solve these dilemmas, many districts are automating their schools' library media centers. Quality Education Data (QED) is an education research firm providing…