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本帖最后由 Kenneth 于 2012-2-2 13:47 编辑 ) p) K O2 m7 A8 H0 c R" ^( d8 ^ n
玄兔子和夏桃 发表于 2012-2-1 15:59 ![]()
9 P! f& J% g& p2 \) RKenneth,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?
3 g" o/ l! v1 q- o& j$ }对于ICC(1): W! W/ I/ m6 S. 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“
$ x# `: P% ?7 |6 b( g: x+ X: k
) A) O9 S H0 i9 Z1 \5 d对于ICC(2):1 M$ l9 Y! X( k$ l8 @* r
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.”
, L, J1 Q" `* r9 w% V
$ b5 j1 V3 O3 nReference:
- s3 M) S! ^' N( Z1 c: ALeBreton, J.M. & Senter, J.L. (2008). Answers to 20 questions about interrater reliability and interrater agreement. Organizational Research Methods, 11(4), 838-839.3 c/ `0 T$ _3 l( c) h, d
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