Table 2.

Attention, Processing, Verbal Memory, Intellectual Function, Working Memory, Executive Function, Naming, Expressive Language, and Motor Speed correlates of PC 6 months post-iniury

	PC (n=26)	No PC (n=115)	t	df	sig	Cohen's d
Attention
Divided Attention rhyme/right tapping	72.0 (26.0) n=25	85.4 (23.3) n=105	2.53	128	.013	.54
Processing Speed
WISC-3 Processing Speed Index scale score	93.1 (19.6) n=24	109.9 (18.0) n=110	4.06	132	.000	.89
Verbal Memory
CVLT-C long delay free recall (z-score)	−.31 (1.43)	.52 (1.07) n=114	2.77	31.7	.009	.78
Intellectual Function
WASI Full Scale IQ standard score	87.4 (8.8) n=21	101.8 (15.6) n=105	5.88	49.1	.000	1.14
Working Memory N-Back task
Letter Identity target detection	.55 (.22) n=24	.70 (.19) n=106	3.22	128	.002	.73
Executive Function
Tower of London Total solution time (sec)	260.7 (71.8)	341.7 (152.7) n=114	4.04	83.6	.000	.68
Naming
Rapid Automatized Naming (z-score)	−.28 (2.07)	.34 (1.27)	1.47	29.4	ns	.36
Expressive Language
CELF-3 Formulated Sentences standard score	7.9 (2.3) n=24	9.9 (3.1) n=111	3.60	43.9	.001	.73
Motor Speed
Grooved Pegboard dominant hand time (z-score)	.18 (1.18)	.30 (.64) n=112	.70	136	ns	.13
Motor Inhibition
Stop Signal Reaction time (milliseconds)	460.8 (244.8) n=16	420.2 (226.0) n=83	−.47	97	ns	.17

Legend: CVLT-C = California Verbal Learning Test – Children's Version; CELF = Clinical Evaluation of Language Fundamentals; PC = Personality change due to traumatic brain injury; WASI = Wechsler Abbreviated Scale of Intelligence; WISC = Wechsler Intelligence Scale for Children