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本帖最后由 Kenneth 于 2012-2-2 13:47 编辑 5 u2 J+ u2 I- g' P# t% ~1 ^
玄兔子和夏桃 发表于 2012-2-1 15:59 * [, }9 U9 C2 a. q
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? 5 Z, [: W) y2 [- J
对于ICC(1):
* a: E( a) x' f+ }9 b; U“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“+ C/ @3 i9 Y: D# C# A. m5 z7 w
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对于ICC(2):
6 n" y) a7 h, h7 M! S/ DSo 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.”! [! O. r/ e3 f1 N" Q% Y. X
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Reference:
) w/ q: K* t" m) q6 \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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