ON TESTING FOR VARIANCE EFFECTS

被引:2
作者
BUCK, JL
机构
关键词
D O I
10.1207/s15328023top1704_15
中图分类号
G40 [教育学];
学科分类号
040101 ; 120403 ;
摘要
There are compelling reasons to include a discussion of tests for differences between group variances in statistics textbooks. It is important to test for heterogeneity of variance when conducting the t test and the analysis of variance (ANOVA) as well as to test hypotheses about differences between variances as the result of experimental treatment. A survey of 18 introductory statistics textbooks revealed that few cover heterogeneity of variance and that none gives it adequate coverage. © 1990, SAGE Publications. All rights reserved.
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页码:255 / 256
页数:2
相关论文
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