Table I.

Group means and standard deviations on selected psychological measures*

Measures	Controls	Turner	df	T‐value	P
Age	14.4 ± 4.2	12.5 ± 3.6	23	1.21	0.24
Full scale IQ	117 ± 13	100 ± 23	23	2.28	0.03
Verbal IQ	116 ± 13	107 ± 26	23	1.11	0.28
Performance IQ	114 ± 13	92 ± 16	23	3.91	0.001
JLO	25 ± 4	18 ± 9	23	2.63	0.015
Woodcock‐Johnson	63 ± 7	50 ± 12	23	3.30	0.003

^*For control group, n = 14; for Turner syndrome group, n = 11. All subjects were right‐handed. JLO, Judgment of Line Orientation.