Table 4.

Evidence of external and convergent validity of the Conners EC GI and the Conners 3 AI.

	Conners EC Global Index							Conners 3 ADHD Index
	Teacher’ Form				Parents’ Form			Teacher’ Form			Parents’ Form
	IN	RI	EL	TOT	RI	EL	TOT	IN	HI	TOT	IN	HI	TOT
	r	r	r	r	r	r	r	r	r	r	r	r	r
Academic achievement
Self-care	-.51**	-.35**	-.38**	-.44**	-.45**	-.26*	-.40**	-	-	-	-	-	-
Social interaction	-.38**	-.23	-.38**	-.35**	-.35**	-.21	-.32**	-	-	-	-	-	-
Motor skills	-.30*	-.22	-.22	-.30*	-.21	-.00	-.13	-.26**	-.04	-.22*	-.20*	-.24**	-.22**
Science	-.33*	-.23	-.22	-.33*	-.36**	-.22	-.33*	-.40**	-.21*	-.38**	-.38**	-.32**	-.37**
Art	-.49**	-.32**	-.33**	-.41**	-.37**	-.15	-.30**	-.51**	-.19*	-.46**	-.30**	-.30**	-.31**
Mathematics	-.47**	-.19	-.34**	-.34**	-.38**	-.17	-.32**	-.44**	-.14	-.39**	-.29**	-.24**	-.28**
Language	-.31**	-.08	-.22	-.20	-.32**	-.20	-.30*	-.47**	-.26**	-.45**	-.33**	-.26**	-.31**
Foreign language	-	-	-	-	-	-	-	-.45**	-.20*	-.42**	-.28**	-.26**	-.28**
Average achievement	-.50**	-.28*	-.42**	-.42**	-.44**	-.22	-.38**	-.52**	-.23**	-.48**	-.37**	-.32**	-.36**
Psychopathological measures
K-SADS ADHD
Inattentive factor	.48**	.63**	.58**	.65**	.58**	.39**	.55**	.48**	.38**	.50**	.66**	.63**	.67**
Hyperactive-impulsive factor	.45**	.58**	.42**	.56**	.71**	.38**	.62**	.45**	.42**	.49**	.61**	.64**	.64**
Total score	.49**	.64**	.53**	.64**	.69**	.41**	.63**	.52**	.44**	.54**	.70**	.70**	.72**
CBCL scales
ADHD DSM scale	.25*	.41**	.23*	.35**	.62**	.43**	.60**	.50**	.43**	.52**	.71**	.77**	.76**
Internalizing problems	.19	.17	.18	.20	.38**	.51**	.49**	.10	.05	.09	.42**	.46**	.45**
Externalizing problems	.25*	.46**	.32**	.41**	.695*	.58**	.71**	41**	.39**	.41**	.69**	.70**	.72**
Total problems	.26*	.30*	.24*	.30**	.57**	.57**	.64**	.32**	.25**	.33**	.69**	.70**	.71**

Note. IN: Inattentive; RI: Restless-impulsive; EL: Emotional lability; HI: Hyperactive-impulsive; TOT: Total. **p<.01; *p<.05.