Table 2.

Mean (sd) Closure Flexibility Test (CFT) performance in controls (n=23) and patients (n=18) for Standard Administration

Measure	Controls	Patients	T	P	d
Total items completed	96.3 (22.9)	117.6 (44)	1.9	0.07	0.7
# Correct responses	80.5 (23.2)	70.3 (21.4)	1.4	0.16	0.5
Percent Correct	83.1 (10.9)	62.8 (14.5)	5.1	<0.001	1.6
# Incorrect responses	15.8 (10.4)	47.3 (29.1)	4.4	<0.001	1.7
- # False negatives	12.3 (8.9)	31.1 (25.4)	3.0	0.007	1.2
- # False positives	3.5 (2.8)	16.3 (17.5)	3.1	0.007	1.4
Correct –incorrect	64.7 (27.7)	22.9 (25.9)	4.9	<0.001	1.6
Scaled Scores	50.3 (9.8)	34.6 (10.2)	5.0	<0.001	1.6