TABLE 2.

Significant Mean Score Differences on the Scales of the SDQ Between PC and CC Rated by Child, Parent, or Teacher

RaterPCCCt ValueEffect Size (d)
MeanSDMeanSD
Child
 Hyperactivity*5.02.43.52.03.80.7
 Conduct problems*2.81.91.41.44.60.9
 Total deviance*13.06.19.36.03.50.6
Parent
 Hyperactivity*4.63.12.92.13.70.7
 Emotional symptoms3.02.71.82.22.60.5
 Conduct problems*2.41.91.11.54.40.8
 Peer problems2.12.21.31.62.30.4
 Total deviance*11.77.07.15.64.00.7
Teacher
 Hyperactivity*3.62.91.92.33.60.7
 Total deviance8.25.75.95.62.20.4
  • SD indicates standard deviation.

  • * P < .001

  • P < .01

  • P < .05; number of t test degrees of freedom for child and parent: 126; teacher: 113.