ERIC Number: ED328574
Record Type: RIE
Publication Date: 1991-Jan
Reference Count: N/A
Evaluating the Sample Specificity of Discriminant Analysis Results Using the Jackknife Statistic.
Taylor, Dianne L.
As significance testing comes under increasing criticism, some researchers are turning to other indices to evaluate their findings. Included among the alternative options are the interpretation of effect size estimates and the evaluation of sample specificity (invariance testing). Using a hypothetical data set of 64 cases and two predictor variables, this study explains one approach to estimating whether the results in a study are sample specific--the jackknife method. The jackknife technique is useful with many statistical procedures and is especially appropriate when the sample size is small. The results of a descriptive discriminant analysis followed by the application of the jackknife are discussed to illustrate the procedure. When used with discriminant analysis, the jackknife technique evaluates the stability of the discriminant function coefficients. Ten tables and a 23-item list of references are included. (Author/SLD)
Publication Type: Reports - Evaluative; Speeches/Meeting Papers
Education Level: N/A
Authoring Institution: N/A
Identifiers: Invariance Principle; Jackknifing Technique; Sample Specificity
Note: Paper presented at the Annual Meeting of the Southwest Educational Research Association (San Antonio, TX, January 24-25, 1991).