Skip to main content
. Author manuscript; available in PMC: 2010 Apr 28.
Published in final edited form as: Psychol Aging. 2009 Jun;24(2):476–486. doi: 10.1037/a0015266

Table 1.

Mean and Standard Errors of Scores on Wechsler Adult Intelligence Scale–Revised Memory Span Tests

Forward
digit
 Backward
digit
 Letter–number
sequence
Group M SE M SE M SE
Young 11.33 0.6 7.78 0.9 11.56 0.8
Old 11.67 0.7 9.00 0.5 10.22 0.5