Table 1.

Participant Characteristics

Variable	M	SD	r with Age
Education (years)	16.5	2.1	0.31*
Color Vision	13.9	0.4	−0.19
Visual Acuity	−0.0534	0.1311	0.32**
BDI	2.3	2.7	0.18
MMSE	29.1	1.0	−0.23
Vocabulary	56.8	5.9	0.03

Note. n = 68. Color Vision = score on Dvorine color plates (Dvorine, 1963); Visual Acuity = logarithm of the minimum angle to resolution (MAR), for the Freiburg Visual Acuity Test (Bach, 1996); BDI = score on Beck Depression Inventory (Beck, 1978); MMSE = raw score on Mini-Mental State Examination (Folstein et al., 1975); Vocabulary = raw score on the vocabulary subtest of the Wechsler Adult Intelligence Scale III (Wechsler, 1997);

^*= p < .05;

^**= p < .01.