Table 7

Percentage of Youth Whose Scores Fall in the Minimal or No Impairment, Mild Impairment, or Clinically Significant Impairment Ranges on the MacCAT-CA

	Minimal or No Impairment	MildImpairment	Clinically SignificantImpairment
Understanding
9–12 years	26.92	11.54	61.54
13–14 years	54.05	24.32	21.62
15–16 years	61.00	22.00	18.51
17–18 years	76.06	8.51	14.89
Reasoning
9–12 years	15.38	34.62	50.00
13–14 years	56.76	21.62	21.62
15–16 years	63.00	20.00	17.00
17–18 years	76.06	8.51	14.89
Appreciation
9–12 years	19.23	15.38	65.38
13–14 years	22.97	44.95	31.08
15–16 years	22.00	36.00	42.00
17–18 years	42.55	29.79	27.66