Table 3.

Summary of Hierarchical Regression Analysis for Flat Affect, Thought Disorder, and Anhedonia With Verbal Paired Associates I (Dependent Variable)

Model	Variable	B	SE B	β	Zero Order	Partial	Semi-partial
1	Flat Affect	−1.076	0.228	−.526**	−0.526	−0.526	−0.526
	R 2	.277
	F for change in R2	22.21**
2	Flat Affect	−1.047	0.241	−.512**	−0.526	−0.489	−0.499
	Thought Disorder	−0.095	0.237	−.047	−0.200	−0.53	−0.045
	R 2	.279
	F for change in R2	0.161
3	Flat Affect	−0.927	0.295	−.453**	−0.526	−0.387	−0.355
	Thought Disorder	−0.075	0.240	−.037	−0.200	−0.042	0.035
	Anhedonia	−0.212	0.295	−.103	−0.387	−0.095	−0.081
	R 2	.285
	F for change in R2	0.514

*P < .05; **P < .01.