Table 4.

Correlations of Intellectual ability and Decisional Capacity Measure for Comparison Group

	IQ Composite	Understand	Appreciate Disorder	Appreciate Treatment	Appreciate Summary	Reasoning Summary	Express Choice Summary
IQ Composite	1		.(a)
Understanding Summary	.619(**)	1	.(a)
Appreciate Disorder	.(a)	.(a)	.(a)
Appreciate Treatment	−.098	.101	.(a)	1
Appreciate Summary	−.148	.246	.(a)	1.000(**)	1
Reasoning Summary	.049	.108	.(a)	−.018	.239	1
Expressing Choice Summary	.312	.412(*)	.(a)	−.058	.(a)	.153	1

^**Correlation is significant at the 0.01 level (2-tailed).

^*Correlation is significant at the 0.05 level (2-tailed).

a Cannot be computed because at least one of the variables is constant.