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Baccini, Alberto; De Nicolao, Giuseppe – Research Evaluation, 2017
This letter documents some problems in Ancaiani et al. (2015). Namely the evaluation of concordance, based on Cohen's kappa, reported by Ancaiani et al. was not computed on the whole random sample of 9,199 articles, but on a subset of 7,597 articles. The kappas relative to the whole random sample were in the range 0.07-0.15, indicating an…
Descriptors: Foreign Countries, Scientific Research, Evaluation, Statistical Analysis
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Markus, Keith A. – Measurement: Interdisciplinary Research and Perspectives, 2016
In their 2016 work, Aguirre-Urreta et al. provided a contribution to the literature on causal measurement models that enhances clarity and stimulates further thinking. Aguirre-Urreta et al. presented a form of statistical identity involving mapping onto the portion of the parameter space involving the nomological net, relationships between the…
Descriptors: Causal Models, Measurement, Criticism, Concept Mapping
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Loken, Eric – Measurement: Interdisciplinary Research and Perspectives, 2012
Von Davier, Naemi, and Roberts (this issue) present a nice summary of the statistical ambiguity often encountered in making distinctions between qualitative and quantitative constructs. In this commentary, the author begins with two broad points. The first is that the mixture/factor arguments are most intriguing when firmly embedded in a…
Descriptors: Models, Statistical Analysis, Classification, Goodness of Fit
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Samuelsen, Karen – Measurement: Interdisciplinary Research and Perspectives, 2012
The notion that there is often no clear distinction between factorial and typological models (von Davier, Naemi, & Roberts, this issue) is sound. As von Davier et al. state, theory often indicates a preference between these models; however the statistical criteria by which these are delineated offer much less clarity. In many ways the procedure…
Descriptors: Models, Statistical Analysis, Classification, Factor Structure
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Rupp, Andre A. – Measurement: Interdisciplinary Research and Perspectives, 2012
In the focus article of this issue, von Davier, Naemi, and Roberts essentially coupled: (1) a short methodological review of structural similarities of latent variable models with discrete and continuous latent variables; and (2) 2 short empirical case studies that show how these models can be applied to real, rather than simulated, large-scale…
Descriptors: Models, Classification, Multivariate Analysis, Statistical Analysis
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Lubke, Gitta – Measurement: Interdisciplinary Research and Perspectives, 2012
Von Davier et al. (this issue) describe two analyses that aim at determining whether the constructs measured with a number of observed items are categorical or continuous in nature. The issue of types versus traits has a long history and is relevant in many areas of behavioral research, including personality research, as emphasized by von Davier…
Descriptors: Models, Classification, Multivariate Analysis, Statistical Analysis
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Flint, Lori J.; Ritchotte, Jennifer A. – Journal of Advanced Academics, 2012
This article presents the authors' critique on "Differentiating Low Performance of the Gifted Learner: Achieving, Underachieving, and Selective Consuming Students" (Figg, Low, McCormick, & Rogers 2012). The authors of "Differentiating Low Performance of the Gifted Learner: Achieving, Underachieving, and Selective Consuming Students" endeavored to…
Descriptors: Academically Gifted, Underachievement, Qualitative Research, Differences
Jamison, Wesley – 1980
The richness of the information available in cross-classification tables, compared to the information conveyed in the typical correlation coefficient, is emphasized in this paper. The kinds of information to be found in cross-classification tables are described, and several examples of the use of cross-classification patterns in research are…
Descriptors: Behavior Patterns, Classification, Correlation, Development
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Goodey, C. F. – Journal of Intellectual Disability Research, 2006
Western medicine has a long history of accounting for behaviour by reducing the body to ultimate explanatory entities. In pre-modern medicine these were invisible "animal spirits" circulating the body. In modern medicine, they are "genes". Both raise questions. The psychological phenotype is defined by human consensus, varying according to time…
Descriptors: Disabilities, Scientific Research, Genetics, Stereotypes
Widaman, Keith F. – American Journal on Mental Retardation, 1991
This reaction paper criticizes the characterizations of clusters used in a study concerning a taxonomy of lifestyles of families with severely mentally retarded children, by I. T. Mink and others (EC 211 387). The criticism focuses on the use of cluster scores on criterion variables and use of cluster profiles across studies. (JDD)
Descriptors: Classification, Cluster Analysis, Family Relationship, Life Style
Embleton, Sheila – 1995
The comments presented here were made after the presentation of four papers and commentary by two other symposium participants. They address issues in language comparison and classification. First, comments are made on the papers ("An African Test Case in Comparative Methodology,""The Mathematics of Multilateral Comparison,""Testing a Basic…
Descriptors: Comparative Analysis, Contrastive Linguistics, Language Classification, Language Research
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Houser, Lloyd – Library and Information Science Research, 1986
Examines the literature on the myth of "hard science-soft science" as a means of defining scientific specialties and classifying science literature, and discusses some shortcomings of scholarship in library and information science. Use of Toulmin's categorization of sciences to organize the literature and provide access for scientists is…
Descriptors: Bibliometrics, Classification, Indexing, Information Retrieval
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Nelson, Larry R. – Journal of Experimental Education, 1979
The authors state that multiple regression is a powerful method of statistical analysis, provides a strength of relationship index, and should replace analysis of variance (ANOVA) in educational research. They also discuss the coding of categorical variables and available computer programs for multiple regression. (Author/MH)
Descriptors: Analysis of Variance, Classification, Comparative Analysis, Computer Programs
Jaschik, Scott – Chronicle of Higher Education, 1986
Data on state aid to higher education is compiled in a variety of ways, using a variety of classification and and analysis methods, but can be misleading or misused and cause bitter political disputes about the strength of state support. (MSE)
Descriptors: Classification, Comparative Analysis, Enrollment Trends, Higher Education
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Daniels, Vera I. – Journal of Special Education, 1998
Addresses variables affecting disproportionate minority representation in gifted and special-education programs including the definition of ethnicity, disability categories, and special education knowledge producers. An historical research synthesis to provide an in-depth chronology of past reform efforts, current trends, proposed solutions,…
Descriptors: Classification, Court Litigation, Definitions, Disabilities