Equivalence confidence intervals for two-group comparisons of means

被引:103
|
作者
Seaman, MA
Serlin, RC
机构
[1] Univ S Carolina, Dept Educ Psychol, Columbia, SC 29208 USA
[2] Univ Wisconsin, Dept Educ Psychol, Madison, WI 53706 USA
关键词
D O I
10.1037/1082-989X.3.4.403
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Methods for determining whether 2 means are practically equivalent are discussed. Existing equivalency-testing procedures are reviewed and compared. An equivalence confidence interval is proposed and compared with the traditional confidence interval for a mean difference. The use of this new interval is described for both confirmatory and exploratory research and is shown to fit within the context of good-enough methods. Adaptations and extensions of the interval are proposed.
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页码:403 / 411
页数:9
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