Table 1.

Mean scores for age, education, and clinical measures

	SINGLE (n = 12)	FIXED (n = 13)	VARIABLE (n = 12)	F	p value
Age	68.67 (8.28)	69.85 (5.96)	68.83 (5.24)	0.12	0.89
Education	14.75 (3.39)	15.15 (2.58)	16.17 (3.90)	0.58	0.56
MoCA	27.83 (1.64)	27.31 (1.60)	27.33 (2.57)	0.27	0.76
GDS (/15)	1.58 (1.44)	1.31 (1.25)	2.58 (3.48)	1.08	0.35
Similarities (WAIS-III)	12.58 (1.44)	12.23 (1.88)	12.58 (1.73)	0.18	0.84
Digit symbol	12.83 (2.55)	11.77 (1.53)	11.58 (2.02)	1.29	0.29

Standard deviations are in parentheses