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Thompson, Bruce – 1994
Researchers too frequently consider the reliability of the scores they analyze, and this may lead to incorrect conclusions. Practice in this regard may be negatively influenced by telegraphic habits of speech implying that tests possess reliability and other measurement characteristics. Styles of speaking in journal articles, in textbooks, and in…
Descriptors: Data Collection, Editing, Jargon, Language Patterns
Thompson, Bruce; Dennings, Bruce – 1993
Q-technique factor analysis identifies clusters or factors of people, rather than of variables, and has proven very popular, especially with regard to testing typology theories. The present study investigated the utility of three different protocols for obtaining data for Q-technique studies. These three protocols were: (1) a conventional ipsative…
Descriptors: Classification, Comparative Analysis, Data Collection, Factor Analysis
Thompson, Bruce; And Others – 1993
The Fennema-Sherman Mathematics Attitudes Scales (E. Fennema and J. A. Sherman, 1976) are among the most popular measures used in studies of attitudes toward mathematics. However, the measurement integrity of the scores has not yet been established conclusively. Measurement integrity was explored by using data from 174 elementary school teachers…
Descriptors: Classification, Elementary Education, Elementary School Teachers, Elementary Schools
Thompson, Bruce – 1994
Various strategies for optimizing the use of program evaluation information are recommended, based on a thorough evaluation of the literature. The recently revised "Program Evaluation Standards" (Joint Committee, 1994) are then reviewed point by point as regards sensitivity to these recommendations. It appears that the new standards…
Descriptors: Evaluation Methods, Evaluation Utilization, Evaluators, Literature Reviews
Thompson, Bruce – 1994
Dissertations are an important component of the effort to generate knowledge. Thus, dissertation quality may be seen by accreditation and coordinating-board reviewers as a noteworthy reflection on the quality of doctoral programs themselves. The present study reviews methodological errors within Ph.D. dissertations. The illustrative errors are…
Descriptors: Behavioral Science Research, Case Studies, Doctoral Dissertations, Error Patterns
Thompson, Bruce – 1992
Conventional statistical significance tests do not inform the researcher regarding the likelihood that results will replicate. One strategy for evaluating result replication is to use a "bootstrap" resampling of a study's data so that the stability of results across numerous configurations of the subjects can be explored. This paper…
Descriptors: Analysis of Covariance, Analysis of Variance, Correlation, Discriminant Analysis
Thompson, Bruce – 1992
Various realizations have led to less frequent use of the "OVA" methods (analysis of variance--ANOVA--among others) and to more frequent use of general linear model approaches such as regression. However, too few researchers understand all the various coefficients produced in regression. This paper explains these coefficients and their…
Descriptors: Analysis of Covariance, Analysis of Variance, Heuristics, Mathematical Models
Thompson, Bruce – 1992
Three criticisms of overreliance on results from statistical significance tests are noted. It is suggested that: (1) statistical significance tests are often tautological; (2) some uses can involve comparisons that are not completely sensible; and (3) using statistical significance tests to evaluate both methodological assumptions (e.g., the…
Descriptors: Effect Size, Estimation (Mathematics), Evaluation Methods, Regression (Statistics)
Thompson, Bruce; Melancon, Janet G. – 1990
Effect sizes have been increasingly emphasized in research as more researchers have recognized that: (1) all parametric analyses (t-tests, analyses of variance, etc.) are correlational; (2) effect sizes have played an important role in meta-analytic work; and (3) statistical significance testing is limited in its capacity to inform scientific…
Descriptors: Comparative Analysis, Computer Assisted Testing, Correlation, Effect Size
Melancon, Janet G.; Thompson, Bruce – 1990
This paper presents analyses of score reliability for a mathematics placement test developed by the Mathematical Association of America in 1984 for use with undergraduate college students. Subjects included all 589 students seeking admission to the college mathematics curricula at a private university in the South during the course of the study.…
Descriptors: College Entrance Examinations, College Mathematics, Higher Education, Item Analysis
Thompson, Bruce; Borrello, Gloria M. – 1990
The application and utility of confirmatory second-order factor analytic methods are discussed. Factor analysis is central to concerns regarding measurement validity. Confirmatory methods are especially useful because they explicitly consider measurement error influences and because the methods are inherently theory-driven and theory-oriented.…
Descriptors: Case Studies, Data Analysis, Factor Analysis, Graduate Students
Crowley, Susan L.; Thompson, Bruce – 1991
Selected methods for evaluating the stability of research results empirically are described, especially with regard to multivariate analysis. It is critically important to evaluate the influences of sampling error on obtained results; statistical significance testing does not inform judgment regarding the probable replicability or the sampling…
Descriptors: Correlation, Educational Assessment, Evaluation Methods, Factor Analysis
Thompson, Bruce; And Others – 1989
The study reported in this paper investigated the structure of the health locus of control beliefs of elementary school children using second-order factor analysis and the measurement characteristics of the Multidimensional Health Locus of Control (MHLC) Scales. Changes of wording were made in 10 of the MHLC Scales items in order to improve the…
Descriptors: Elementary School Students, Factor Analysis, Factor Structure, Grade 4
Thompson, Bruce; And Others – 1991
Problems with using stepwise analytic methods are discussed, and better alternatives are illustrated. To make the illustrations concrete, an actual data set, involving responses of 91 medical school admissions directors to 30 variables, was used. The 30 variables involved perceptions of barriers to medical school with respect to characteristics of…
Descriptors: Admissions Officers, Data Interpretation, Effect Size, Higher Education
Thompson, Bruce; And Others – 1991
People's beliefs about the origins of their health, sometimes referred to as health locus of control, have been shown to influence a variety of important behaviors, including the propensity to engage in effective health maintenance activities, and the willingness to seek and follow medical advice. The purpose of this study was to explore the…
Descriptors: Beliefs, Childhood Attitudes, Construct Validity, Health
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