(c).

Component	CVT	IPS	EF	ATT
CVT	1
IPS	−.360	1
EF	−.263	.179	1
ATT	.091	−.042	−.018	1

CVT: complex verbal tasks; IPS: information processing speed; EF: executive functioning; ATT: attention; RWT: Regensburg Word Fluency Test; WMS: Wechsler Memory Scale; TAP: Test of Attentional Performance; TMT: Trail Making Test; d2: d2 Test of Attention; WIE: Wechsler intelligence test for adults; VLMT results were excluded and formed a separate domain (VM); see Table 3(a). Solution converged in 12 iterations.