Table 2. OA and YA scores on control measures.
| Measure | Older adults (N = 16) | Younger adults (N = 16) | t value | p value | ||
|---|---|---|---|---|---|---|
|
|
|
|||||
| M | SD | M | SD | |||
| Snellen visual acuity (denominator) | 31.25 | 9.22 | 19.38 | 5.25 | 4.48 | <.001 |
| Mars letter contrast sensitivity | 1.64 | .11 | 1.74 | .04 | 3.02 | .005 |
| Ishihara's test for color deficiency | 13.88 | .50 | 13.88 | .34 | 0 | 1.00 |
| Benton facial recognition test | 45.50 | 3.74 | 47.63 | 3.54 | 1.65 | .109 |
| Pattern comparison test | 29.06 | 5.56 | 40.13 | 6.70 | 5.08 | <.001 |
| Shipley vocabulary test | 35.13 | 4.37 | 31.88 | 2.87 | 2.49 | .019 |
| PANAS positive affect | 3.57 | .52 | 2.77 | 0.82 | 3.24 | .003 |
| PANAS negative affect | 1.47 | 0.34 | 1.65 | .41 | 1.31 | .20 |
| Mind in the Eyes Test | 21.38 | 4.62 | 26.31 | 5.39 | 2.78 | .009 |
| BCST correct responses | 24.50 | 9.53 | 34.94 | 5.23 | 3.84 | .001 |
| BCST perseverative errors | 7.06 | 5.72 | 5.81 | .98 | .86 | .396 |
| BCST non-perseverative errors | 16.44 | 11.55 | 7.3 | 5.25 | 2.90 | .007 |
| BCST total errors | 23.50 | 9.52 | 13.06 | 5.24 | 3.84 | .001 |
| BCST trials to complete first category | 12.31 | 11.59 | 10.81 | 5.14 | .473 | .639 |
| Level of educationa | 4.31 | 1.58 | 2.63 | .50 | 4.07 | < .001 |
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