Table 1.

Descriptive statistics and zero-order correlations between response times and errors on each measure

	Mean	SD	Time (S)	Time (t)	Time (TS)	Time (Rt)	Time (RtS)	Acc (S)	Acc (t)	Acc (tS)	Acc (Rt)	Acc (RtS)	RC	Cattell	MF	RF	Voc	RA
Time (S)	2002	639	–
Time (T)	2617	866	.32**	–
Time (TS)	3789	1350	.62**	.79**	–
Time (RT)	4428	1374	.39**	.66**	.69**	–
Time (RTS)	4095	1553	.50**	.64**	.74**	.60**	–
Acc (S)	98.69	2.13	− .31**	− .24*	− .31**	− .28**	− .20*	–
Acc (T)	97.00	3.18	.11	− .23*	− .13	− .12	− .13	.21*	–
Acc (TS)	96.81	3.51	.00	− .35**	− .21*	− .25*	− .28**	.17*	.33**	–
Acc (RT)	84.08	13.77	.10	− .19*	− .03	− .25*	− .06	.10	.28**	.52**	–
Acc (RTS)	70.05	18.39	.09	− .25*	− .09	− .28**	− .31**	.07	.12	.45**	.52**	–
RC	26.89	6.24	− .15	− .20*	− .23*	− .18*	− .25*	.06	.07	.09	.17*	.23*	–
Cattell	13.18	3.40	− .15	− .38**	− .30**	− .35**	− .37**	.12	.21*	.30**	.36**	.41**	.39**	–
MF	60.16	18.79	− .22*	− .71**	− .58**	− .45**	− .46**	.18*	.26**	.37**	.16	.30**	.29**	.36**	–
RF	45.66	10.80	− .20*	− .39**	− .34**	− .29**	− .31**	.03	.13	.17*	.17*	.25*	.49**	.41**	.42**	–
Voc	13.93	5.23	− .15	− .29**	− .26*	− .17*	− .25*	− .06	.02	− .02	.01	.09	.43**	.36**	.28**	.64**	–
RA	41.61	12.03	.11	.39**	.28**	.14	.25*	.01	− .20*	− .15	− .13	− .21*	− .25*	− .30**	− .36**	− .39**	− .33**	–

* p < .05, ** p < .001

RC reading comprehension, RF reading fluency, MF math fluency, Voc vocabulary, RA reading ability and Acc accuracy

Response times are given in milliseconds and accuracy as percentage of correct recall