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本帖最后由 Kenneth 于 2012-2-2 13:47 编辑
: ? u1 X9 U x2 T- J' }( _玄兔子和夏桃 发表于 2012-2-1 15:59 7 u4 g/ d! P# ?: l7 |
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? 0 H% D: F9 P# \4 K0 Z6 P
对于ICC(1):5 _, `. I2 {8 w# M
“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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$ q, @! Z; b4 Y对于ICC(2):
/ Z: k/ \ }- W9 U$ Z7 ~. bSo 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.”7 E1 F) A8 h( m6 {4 q# j F6 w
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Reference:8 ?' d* f+ c$ T
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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