Table 1.

Mean Composite T-Scores for the K-Means (KMA) Solutions

Factor	K1 (n=19)	K2 (n=38)	K3 (n=40)	K4 (n=17)	K5 (n=30)
Verbal Comprehension	37.5	44.1 S	38.3	47.6 S	52.3 S
Perceptual Organization	39.2	41.2	38.0	43.4	42.9
Attention/Working Memory	37.1	40.9	38.8	41.8	43.7
Processing Speed	38.7	41.6 S	41.1	39.3	40.0
Abstraction/Cognitive Flexibility	39.2	30.0 W	31.6 W	32.9 W	31.8 W
Auditory Learning & Memory	33.8	28.9 W	40.6	34.8W	42.4
Visual Learning & Memory	29.3 W	29.6 W	36.1	46.9 S	34.0 W
Mean T-score	37.4	36.5	38.1	39.9	40.4

S = Relative strength; W = Relative Weakness; Strengths & Weaknesses = five points above or below the overall mean T-score across all seven domains.