Table 7.

Correlations between RBQ-2 and SDQ measures.

	RBQ RSMB	RBQ IS	Total RBQ
SDQ Emotion	0.288**	0.379**	0.360**
SDQ Conduct	0.314**	0.334**	0.361**
SDQ Hyperactivity	0.479**	0.320**	0.414**
SDQ Peer	0.480**	0.482**	0.519**
SDQ Total	0.555**	0.541**	0.592**
Internalizing	0.474**	0.530**	0.543**
Externalizing	0.466**	0.382**	0.457**

Note: N = 260 for correlations with RSMB, IS, and Total RBQ. N = 247 for correlations with all SDQ scales. SDQ, Strengths and Difficulties Questionnaire; RBQ, Repetitive Behaviors Questionnaire; RSMB, repetitive sensory motor behaviors; IS, insistence of sameness.