Table 3.
Performance of older adult and younger adult participants on various control measures administered.
| Measure | Older Adults | Younger Adults |
||||
|---|---|---|---|---|---|---|
| M | SD | M | SD | t- value |
p- value |
|
| Snellen Visual Acuity (denominator) | 32.78 | 13.31 | 19.56 | 5.47 | 7.29 | < .001 |
| Contrast Sensitivity (Mars Perceptrix, Cappaqua, NY) |
1.57 | .14 | 1.74 | .05 | 9.20 | < .001 |
| Benton Facial Recognition Test (Benton, Van Allen, Hamsher, & Levin, 1983) |
45.94 | 4.02 | 47.48 | 3.26 | 2.37 | .019 |
| Processing Speed (Pattern Comparison Test, Salthouse, 1993) |
28.68 | 5.15 | 42.3 | 6.34 | 13.34 | < .001 |
| Shipley Vocabulary Test (Shipley, 1946) | 35.51 | 3.45 | 31.83 | 3.58 | 5.90 | .019 |
| Level of Education* | 4.65 | 1.59 | 2.67 | .47 | ||
a
Level of Education was coded for highest level attained: 1 – no high school diploma, 2 – high school diploma, 3 – some college, 4 – Bachelor’s degree, 5 – some graduate work, 6 – Masters degree, 7 – Doctorate degree.