Table 1.
Experiment 1: Younger Adult Means and Standard Deviations for the Demographic and Ability Data
| Low Workload
|
Moderate Workload
|
High Workload
|
F Value | Sig. | ||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | |||
| Gender (n) | ||||||||
| Male | 7 | 10 | 8 | — Female | ||||
| 7 | 4 | 6 | — | |||||
| Age | 19.69 | 1.44 | 19.86 | 2.11 | 21.57 | 2.98 | 2.87 | .07 |
| Education (years) | 13.43 | 1.22 | 13.14 | 1.03 | 13.86 | 1.23 | 1.34 | .28 |
| Healtha | 4.14 | 0.66 | 4.07 | 0.62 | 4.00 | 0.55 | 0.19 | .83 |
| Digit Symbol Substitutionb | 78.00 | 13.91 | 70.64 | 8.05 | 74.36 | 10.85 | 1.51 | .23 |
| Reverse Digit Spanb | 11.29 | 2.13 | 10.57 | 1.79 | 9.86 | 2.32 | 1.64 | .21 |
| Shipley Vocabularyc | 30.71 | 4.95 | 32.14 | 2.88 | 30.93 | 2.70 | 0.62 | .54 |
a
1 = poor, 2 = fair, 3 = good, 4 = very good, 5 = excellent.
b
Wechsler (1997); score is the number correct.
c
Shipley (1986); score is the number correct.