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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: J Abnorm Child Psychol. 2011 Feb;39(2):159–171. doi: 10.1007/s10802-010-9458-2

Table 1.

Descriptive Statistics

Wave 1
 Wave 2
 Wave 3
Girls Boys Girls Boys Girls Boys
Variable M SD M SD M SD M SD M SD M SD
Depression .67 1.41 .65 1.32 .70 1.39 .51 .98 .52 1.16 .49 1.05
Effortful Engagement .48 .08 .46 .07 .50 .08 .47 .08 .51 .07 .47 .07
Effortful Disengagement .14 .03 .15 .03 .13 .03 .14 .02 .14 .03 .14 .03
Involuntary Engagement .23 .05 .23 .04 .21 .05 .22 .04 .21 .04 .23 .04
Involuntary Disengagement .16 .04 .17 .03 .15 .03 .16 .03 .15 .03 .17 .03
Peer Stress -.01 .92 .01 .83 -.05 .84 .04 .89 .01 .78 -.01 .94