Application of Discriminant Analysis in Research with Gifted Students.Report as inadecuate

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Discriminant analysis (DA) is a multivariate technique concerned with either prediction/classification (predictive discriminant analysis) or distinguishing among groups (descriptive discriminant analysis). DA has many potential applications in gifted education research, including investigation of identification procedures in order to obtain evidence of validity (PYRYT, 1986), determination of a piece of evidence of the discriminant validity of alternative assessments, a post hoc procedure after a significant multivariate analysis of variance result, and description of group differences based on longitudinal data (e.g. Arnold, 1993). Problems and issues related to the use of DA, including sample size issues and group distinction issues, are discussed. (Contains 19 references.) (Author/SLD)

Descriptors: Alternative Assessment, Classification, Educational Assessment, Elementary Secondary Education, Gifted, Groups, Identification, Longitudinal Studies, Prediction, Research Methodology, Sample Size, Validity

Author: Plucker, Jonathan A.


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