Table 1.

Demographics of study participants.

	Typically Developing (N = 298)		Psychosis Spectrum (N = 320)		Other Psychopathology (N = 482)		Statistics
							df	X2 /t/F	p	Post-Hoc
Gender (F:M)	149:149		179:141		267:215			2.78	.249	–
Ethnicity (W:AA:O)	168:99:29		99:179:41		241:198:41			47.74	< 0.001	–
	Mean	SD	Mean	SD	Mean	SD
Age	14.8	3.6	16.1	2.9	15.5	3.3	2,1097	11.92	< 0.001	PS > OP > TD
Education	7.7	3.6	8.4	2.6	8.5	3.2	2,1097	5.43	.004	PS,OP > TD
Parental Education Neuropsychological Functioning	14.5	2.4	13.6	2.2	14.2	2.3	2,1091	13.28	< 0.001	TD,OP > PS
Global Cognition (z-score)	0.12	0.51	0.05	0.51	0.16	0.50	2,1097	4.11	.017	OP > PS
WRAT (standard score)	105.6	15.9	99.2	17.0	102.9	16.1	2,1097	11.86	< 0.001	TD > OP > PS

Abbreviations: AA = African American; F = Female; M = Male; O =Other; W = White; WRAT = Wide Range Assessment Test.