ON TESTING FOR VARIANCE EFFECTS

被引：2
作者：
BUCK, JL
机构：
来源：
TEACHING OF PSYCHOLOGY | 1990年 / 17卷 / 04期
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
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