Table 2.

Performance in Eriksen Flanker task by trial type^a

	At-risk (n = 22)	Healthy controls (n = 20)
Proportion correct, mean (SD)
Neutral	0.97 (0.05)	0.98 (0.04)
Congruent	0.98 (0.03)	0.97 (0.04)
Incongruent	0.93 (0.06)	0.95 (0.15)
Intrasubject variability, mean (95% CI)
Neutral	65 (59–72)	59 (53–67)
Congruentb	69 (64–75)	59 (55–63)
Incongruentc	67 (61–72)	53 (49–60)
Response time, mean (SD)
Neutrald	467 (71)	450 (34)
Congruentd	474 (67)	457 (42)
Incongruentc	516 (60)	503 (30)

SD = standard deviation; CI = confidence interval.

^aAnalysis covaried for IQ.

^bp < 0.05.

^cp < 0.01.

^dp < 0.001.