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本帖最后由 Kenneth 于 2012-2-2 13:47 编辑 ( C, Q% l* D8 k- d* D
玄兔子和夏桃 发表于 2012-2-1 15:59 4 Z" D% p0 D( ]5 }: P
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? ) C% d7 Z4 t9 U% K- A, \
对于ICC(1):8 O9 r$ \7 m* N1 z6 L3 w+ R
“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“" i& d8 ^" ?1 e- D1 |
; G% j. y6 y1 N对于ICC(2):- [9 ~! x' s: o* \. m0 l
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.”8 l% R9 ]1 [9 q0 m
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LeBreton, J.M. & Senter, J.L. (2008). Answers to 20 questions about interrater reliability and interrater agreement. Organizational Research Methods, 11(4), 838-839.& D) j3 D: }' _; `6 X
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