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| ERIC Publications | 7 |
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| Reports - Evaluative | 1 |
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Download full textOsborne, Jason W.; Waters, Elaine – 2002
This Digest presents a discussion of the assumptions of multiple regression that is tailored to the practicing researcher. The focus is on the assumptions of multiple regression that are not robust to violation, and that researchers can deal with if violated. Assumptions of normality, linearity, reliability of measurement, and homoscedasticity are…
Descriptors: Error of Measurement, Nonparametric Statistics, Regression (Statistics), Reliability
Rudner, Lawrence M.; Glass Gene V.; Evartt, David L.; Emery, Patrick J. – 2002
This manual and the accompanying software are intended to provide a step-by-step guide to conducting a meta-analytic study along with references for further reading and free high-quality software, "Meta-Stat.""Meta-Stat" is a comprehensive package designed to help in the meta-analysis of research studies in the social and behavioral sciences.…
Descriptors: Computer Software, Effect Size, Meta Analysis, Regression (Statistics)
Rafilson, Fred – 1991
An important issue in educational and employment settings is the degree to which evidence of validity obtained in one situation can be generalized to another situation without further study of validity in the new situation. Theory, procedures, and applications concerning validity generalization are addressed. Meta-analytic techniques make possible…
Descriptors: Analysis of Covariance, Concurrent Validity, Correlation, Educational Assessment
Rudner, Lawrence M., Ed.; Schaefer, William D., Ed. – Practical Assessment, Research and Evaluation, 2000
This document consists of the first 10 articles of volume 8 of the electronic journal "Practical Assessment, Research & Evaluation" published in 2002-2003: (1) "Using Electronic Surveys: Advice from Survey Professionals" (David M. Shannon, Todd E. Johnson, Shelby Searcy, and Alan Lott); (2) "Four Assumptions of Multiple Regression That Researchers…
Descriptors: Bilingual Education, Bilingual Students, Cheating, Educational Research
Rudner, Lawrence M. – 1992
Several common sources of error in assessment that depends on the use of judges are identified, and ways to reduce the impact of rating errors are examined. Numerous threats to the validity of scores based on ratings exist. These threats include: (1) the halo effect; (2) stereotyping; (3) perception differences; (4) leniency/stringency error; and…
Descriptors: Alternative Assessment, Error of Measurement, Evaluation Methods, Evaluators
Peer reviewedRudner, Lawrence M., Ed.; Schafer, William D., Ed. – Practical Assessment, Research & Evaluation, 2001
This document consists of papers published in the electronic journal "Practical Assessment, Research & Evaluation" during 2000-2001: (1) "Advantages of Hierarchical Linear Modeling" (Jason W. Osborne); (2) "Prediction in Multiple Regression" (Jason W. Osborne); (3) Scoring Rubrics: What, When, and How?"…
Descriptors: Educational Assessment, Educational Research, Elementary Secondary Education, Evaluation Methods
Wonacott, Michael E. – 2002
Since 1982, studies have shown statistical evidence that career and technical education (CTE) can play a role in reducing the number of high school dropouts, especially among students who are at high risk of dropping out. Case studies at several High Schools That Work sites showed improvements in retention and graduation at the same time that…
Descriptors: Academic Achievement, Academic Education, Career Academies, Case Studies
