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Kartal, Ozgul; Dunya, Beyza Aksu; Diefes-Dux, Heidi A.; Zawojewski, Judith S. – International Journal of Research in Education and Science, 2016
Critical to many science, technology, engineering, and mathematics (STEM) career paths is mathematical modeling--specifically, the creation and adaptation of mathematical models to solve problems in complex settings. Conventional standardized measures of mathematics achievement are not structured to directly assess this type of mathematical…
Descriptors: Mathematical Models, STEM Education, Standardized Tests, Mathematics Achievement
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Smithson, Michael; Verkuilen, Jay – Psychological Methods, 2006
Uncorrectable skew and heteroscedasticity are among the "lemons" of psychological data, yet many important variables naturally exhibit these properties. For scales with a lower and upper bound, a suitable candidate for models is the beta distribution, which is very flexible and models skew quite well. The authors present…
Descriptors: Maximum Likelihood Statistics, Predictor Variables, Mathematical Models, Comparative Analysis
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McFarland, Daniel A.; Rodan, Simon – Sociology of Education, 2009
Prior work has proposed different theoretical mechanisms to explain students' course-taking patterns in schools. On the one hand, there are oversocialized accounts that claim that rules, social background factors, and supply-side factors shape observed career patterns. On the other hand, there are undersocialized accounts that claim that the…
Descriptors: Course Selection (Students), Socioeconomic Background, High School Students, Mathematics Instruction
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Ameel, Eef; Storms, Gert – Journal of Memory and Language, 2006
In three studies, we investigated to what extent a geometrical representation in a psychological space succeeds in predicting typicality in animal, natural food and artifact concepts and whether contrast categories contribute to the prediction. In Study 1, we compared the predictive value of a family resemblance-based prototype model with a…
Descriptors: Comparative Analysis, Predictor Variables, Concept Formation, Mathematical Models
Thayer, Jerome D. – 1991
The extent to which standardized regression coefficients (beta values) can be used to determine the importance of a variable in an equation was explored. The beta value and the part correlation coefficient--also called the semi-partial correlation coefficient and reported in squared form as the incremental "r squared"--were compared for…
Descriptors: Comparative Analysis, Correlation, Equations (Mathematics), Mathematical Models
Thayer, Jerome D. – 1986
The stepwise regression method of selecting predictors for computer assisted multiple regression analysis was compared with forward, backward, and best subsets regression, using 16 data sets. The results indicated the stepwise method was preferred because of its practical nature, when the models chosen by different selection methods were similar…
Descriptors: Comparative Analysis, Computer Simulation, Mathematical Models, Multiple Regression Analysis
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Huang, Guan-Hua; Bandeen-Roche, Karen – Psychometrika, 2004
In recent years, latent class models have proven useful for analyzing relationships between measured multiple indicators and covariates of interest. Such models summarize shared features of the multiple indicators as an underlying categorical variable, and the indicators' substantive associations with predictors are built directly and indirectly…
Descriptors: Mathematical Models, Theory Practice Relationship, Predictor Variables, Identification
Piesse, Andrea; Rust, Keith – National Center for Education Statistics, 2003
The Progress in International Reading Literacy Study (PIRLS) is a large international comparative study of the reading literacy of young students. The student population for the U.S. 2001 PIRLS (hereafter simply referred to as PIRLS) was the set of all fourth-graders in the United States, corresponding to the grade in which the highest proportion…
Descriptors: Elementary School Students, Comparative Analysis, Predictor Variables, Regression (Statistics)
Quilling, Mary Rintoul – 1975
The purpose of the present study is to demonstrate the utility of data analysis methodology in evaluative research relating pupil and curriculum variables to pupil achievement. Regression models which account for achievement will result from the application of the methodology to two evaluative problems--one of curriculum comparison and another…
Descriptors: Academic Achievement, Comparative Analysis, Curriculum Evaluation, Data Analysis
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Muchinsky, Paul M.; Skilling, Nancy J. Langham – Educational and Psychological Measurement, 1992
The economic utility of the following 5 weighting methods for evaluating consumer loan applications was determined using a sample of 443 loans: (1) unit; (2) weighted application blank; (3) chi square; (4) Bayes; and (5) regression. The unit and weighted application blank procedures were the best approaches. (SLD)
Descriptors: Bayesian Statistics, Chi Square, Comparative Analysis, Cost Effectiveness
Leslie, Larry L.; Hu, Teh-wei – 1977
The impact of faculty unionization on faculty compensation, research contract revenues, student tuition and fees, and other financial considerations are examined in this report. The study uses multiple regression models to analyze the net impact of collective bargaining on a sample of over 100 union and nonunion institutions. Faculty compensation…
Descriptors: Arbitration, Collective Bargaining, College Faculty, Comparative Analysis
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Schnittjer, Carl J. – 1972
The purpose of the study was to develop a linear programming model to be used for prediction, test the accuracy of the predictions, and compare the accuracy with that produced by curvilinear multiple regression analysis. (Author)
Descriptors: Comparative Analysis, Educational Administration, Graduate Students, Linear Programing
Burkhalter, Bettye B.; And Others – 1983
To examine and clarify background conditions for understanding variables which affect salary, the salary and compensation programs at two industrial and three educational organizations were subjected to a statistical audit. Data were available on 272 employees. Ten compensation variables were studied as having direct or indirect effects on salary:…
Descriptors: Comparative Analysis, Correlation, Individual Characteristics, Mathematical Models
Webster, Murray A., Jr.; And Others – 1971
Six alternative models of the ways in which individuals accept and organize information from potential sources are proposed. Parameter estimates were obtained from experiments testing the effect of evaluations of performance upon an individual's conception of his own, and others', ability to perform specific tasks. Then the models were tested…
Descriptors: Ability, Cognitive Processes, Comparative Analysis, Decision Making
Grusky, David B.; Hauser, Robert M. – 1983
Reanalysis of a standard set of data for 16 nations has brought new insights into the leading issues of comparative social mobility. The reanalysis provides considerable support for the Featherman-Jones-Hauser hypothesis, which claims that there is convergence in mobility processes once conditions of occupational supply and demand are controlled.…
Descriptors: Blue Collar Occupations, Comparative Analysis, Employment Patterns, Farm Occupations
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