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Byrne, Barbara M.; Shavelson, Richard J. – Journal of Educational Psychology, 1986
This study tested the multifaceted, hierarchical structure of self- concept (SC) against alternative models and determined whether academic SC can be discriminated from academic grades. Results supported the multidimensional interpretation of SC and demonstrated that general SC could be interpreted as distinct from but correlated with academic SC.…
Descriptors: Academic Achievement, Adolescents, Correlation, Grade 11
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Kost, Frank – Journal of Computers in Mathematics and Science Teaching, 1991
Presented is an interactive PASCAL computer program that computes the true mortgage interest rate. The half-interval technique, a method from numerical analysis, is incorporated into the program algorithm to approximate a solution of a continuous function on a closed interval. (JJK)
Descriptors: College Mathematics, Computer Assisted Instruction, Higher Education, Interest (Finance)
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Entwisle, Doris R.; And Others – American Educational Research Journal, 1987
A study of 683 first graders in Baltimore (Maryland) examined the effects of the amount of children's kindergarten experience on first-grade performance. It appears that kindergarten contributes more to cognitive improvement rather than socialization. (TJH)
Descriptors: Attendance, Black Students, Cognitive Development, Educational Experience
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McDonald, Michael A.; And Others – Primus, 1996
Discusses a precalculus project in which students create a model United Nations to present and discuss the long-term prognosis for individual countries given data on population growth and food production. Students compare exponential and linear functions to determine whether starvation will occur and prepare oral and written presentations of their…
Descriptors: Calculus, Functions (Mathematics), High Schools, Higher Education
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Sellers, Gene R. – AMATYC Review, 1989
Discusses a student project requiring a student to sample a population of interest to obtain a set of data, compute the necessary descriptive measures, and make a conclusion based on the data. Described are the introduction phase; formats; handout material; and suggested projects for individual and teams. (YP)
Descriptors: College Mathematics, Cooperative Learning, Higher Education, Mathematical Enrichment
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Sweller, John – Journal for Research in Mathematics Education, 1990
Discussed are the limitations of teaching general problem-solving strategies and techniques and their relationship to transfer of learning. The lack of evidence for effective teaching strategies, curriculum reform ramifications, and alternative teaching techniques are considered. (KR)
Descriptors: Curriculum Development, Elementary School Mathematics, Learning Strategies, Mathematics Curriculum
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Griffyth, Jacqui; Sharp, Helen – Journal of Computers in Mathematics and Science Teaching, 1999
Discusses the results of a survey to gain insight into the relationship between the acquisition of Object Technology (OT) concepts and previous software development experience. Indicates that the fundamental concepts of OT and the management of OT projects are not difficult to understand while analysis and design topics are harder. (Contains 18…
Descriptors: Computer Software, Computer Uses in Education, Educational Technology, Elementary Secondary Education
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Woodruff, David – Journal of Educational Measurement, 1991
Improvements are made on previous estimates for the conditional standard error of measurement in prediction, the conditional standard error of estimation (CSEE), and the conditional standard error of prediction (CSEP). Better estimates of how test length affects CSEE and CSEP are derived. (SLD)
Descriptors: Equations (Mathematics), Error of Measurement, Estimation (Mathematics), Mathematical Models
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Samsa, Gregory P. – Journal of Educational Measurement, 1992
Regression to the mean (RTM) is often misunderstood. It is demonstrated that artifactual RTM depends fundamentally on the magnitude of measurement error at pretest. Adjustment usually involves estimating the measurement error and determining consequences, but even without adjustment, effects of RTM can be ameliorated. (SLD)
Descriptors: Control Groups, Equations (Mathematics), Error of Measurement, Estimation (Mathematics)
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Ramsey, John M.; Hungerford, Harold – Journal of Environmental Education, 1989
This study reports the instructional effects of issue investigation and action training on the environmental behavior of middle school students. Discussed are the methodology including training and modules, the design of the study, instruments used, scoring protocols, and analysis of results. (Author/CW)
Descriptors: Conservation (Environment), Environmental Education, Grade 7, Middle Schools
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Beall, H.; Berka, L. H. – Journal of Chemical Education, 1990
Summarized are the comments of four chemists who spoke at a conference on chemistry in March 1989. Presenters included Frank H. Westheimer of Harvard University, John L. Burmeister of the University of Delaware, Henry A. Bent of the University of Pittsburgh, and Miles Pickering of Princeton University. (CW)
Descriptors: Chemistry, College Science, Conference Proceedings, Educational Trends
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Jordan, LuAnn; Miller, M. David; Mercer, Cecil D. – Learning Disabilities: A Multidisciplinary Journal, 1999
A study of 125 elementary students with and without learning disabilities compared effects of concrete to semiconcrete to abstract (CSA) instruction in fraction concept and skills to instruction that was based on textbook curriculum. Students taught fraction concepts and skills in a CSA sequence performed significantly better. (Author/CR)
Descriptors: Elementary Education, Elementary School Mathematics, Fractions, Instructional Effectiveness
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de Gruijter, Dato N. M. – Journal of Educational Measurement, 1990
D. R. Divgi (1986) demonstrated that the bias of unconditional maximum likelihood (UCON) item-parameter estimates is not removed by the factor (n-1)/n. D. Andrich (1989) argued that the demonstration was faulty. In this note, a complete proof of Divgi's conclusion is presented. (Author/TJH)
Descriptors: Equations (Mathematics), Estimation (Mathematics), Item Response Theory, Mathematical Models
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Rozeboom, William W. – Journal of Educational Statistics, 1989
Use of internal correlation for statistical analysis--proposed by G. W. Joe and J. L. Mendoza (1989)--is discussed. Focus is on the "content" question (what this application can do with the information that statistics contain) and the "eloquence" question (the advantages of this means of encoding information over other means). (TJH)
Descriptors: Correlation, Equations (Mathematics), Factor Analysis, Generalization
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Keselman, H. J.; And Others – Journal of Educational Statistics, 1993
This article shows how a multivariate approximate degrees of freedom procedure based on the Welch-James procedure as simplified by S. Johansen (1980) can be applied to the analysis of repeated measures designs without assuming covariance homogeneity. A Monte Carlo study illustrates the approach. (SLD)
Descriptors: Analysis of Covariance, Equations (Mathematics), Hypothesis Testing, Mathematical Models
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