作者metrostar (颱風夜的F1)
看板Statistics
標題[問題] 中介變項的成立
時間Sun Oct 4 13:40:25 2009
有個中介變項的相關問題想請問
使用了tnnstriker版友介紹的這個網頁
http://www.comm.ohio-state.edu/ahayes/sobel.htm
跑中介變項的結果如下
直接與間接效果都顯著
那是不是就是代表中介效果是存在的呢
un MATRIX procedure:
*************************************************************************
Preacher And Hayes (2004) SPSS Script For Simple Mediation
Written by Andrew F. Hayes, The Ohio State University
http://www.comm.ohio-state.edu/ahayes/
VARIABLES IN SIMPLE MEDIATION MODEL
Y T_C
X T_A
M T_B
DESCRIPTIVES STATISTICS AND PEARSON CORRELATIONS
Mean SD T_C T_A T_B
T_C 25.3205 6.9700 1.0000 .4344 .5386
T_A 45.3205 11.9039 .4344 1.0000 .2884
T_B 27.4038 10.1529 .5386 .2884 1.0000
SAMPLE SIZE
156
DIRECT And TOTAL EFFECTS
Coeff s.e. t Sig(two)
b(YX) .2543 .0425 5.9842 .0000
b(MX) .2460 .0658 3.7379 .0003
b(YM.X) .3095 .0458 6.7542 .0000
b(YX.M) .1782 .0391 4.5593 .0000
INDIRECT EFFECT And SIGNIFICANCE USING NORMAL DISTRIBUTION
Value s.e. LL 95 CI UL 95 CI Z Sig(two)
Effect .0761 .0235 .0301 .1221 3.2434 .0012
FAIRCHILD ET AL. (2009) VARIANCE IN Y ACCOUNTED FOR BY INDIRECT EFFECT:
.1038
********************************* NOTES **********************************
------ END MATRIX -----
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