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本帖最后由 Kenneth 于 2012-2-2 13:47 编辑 1 e0 L1 z9 ?* _/ W/ P
玄兔子和夏桃 发表于 2012-2-1 15:59 3 Z- c% R! J4 h; e% A! [# W* I
Kenneth,ICC(1)的值是不是应该在0.2左右才说明小组加总是可行的? 8 _6 p) `# v0 u( e! x+ L
对于ICC(1):
3 S( y. y: @- ^! Y3 w4 }# e“We encourage researchers to adopt traditional conventions used when interpreting effect sizes (i.e., percentage of variance explained). Specifically, a value of .01 might be considered a ‘small’ effect, a value of .10 might be considered a ‘medium’ effect, and a value of .25 might be considered a ‘large’ effect“
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对于ICC(2):1 Z# z6 p4 N9 ~: k6 I9 i; W
So in most instances, ICC(K) and ICC(A,K) values >.90 are likely unnecessary. However, depending on the quality of the measures being used in multilevel analysis, researchers will probably want to choose between .70 and .85 to justify aggregation.”. X+ X( \* _: U# g- z6 R
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Reference:) t0 G) I; o/ q9 V. M' c
LeBreton, J.M. & Senter, J.L. (2008). Answers to 20 questions about interrater reliability and interrater agreement. Organizational Research Methods, 11(4), 838-839.
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