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. Author manuscript; available in PMC: 2009 Aug 25.
Published in final edited form as: Psychol Aging. 2008 Dec;23(4):900–916. doi: 10.1037/a0013930

Table 1.

Subject Characteristics

Older adults
 Younger adults
Measure M SD M SD
Mean age 69.2 4.5 20.8 1.3
Years of education 17.3 1.7 13.4 1.5
MMSE 28.6 1.3 29.1 1.0
WAIS–III information 13.3 2.4 14.6 1.4
WAIS–III digit-symbol coding 12.6 3.4 12.1 1.8
CES-D: Total 8.4 6.9 9.9 9.2

Note. MMSE = Mini-Mental State Examination (Folstein, Folstein, & McHugh, 1975); WAIS–III = Wechsler Adult Intelligence Scale—III (Wechsler, 1997); CES-D = Center for Epidemiological Studies Depression Scale (Radloff, 1977).