Table 2.
Normative Data by Age Group and Trails-P Condition (N=103).
| Measure | Trails-P condition | |||||||
|---|---|---|---|---|---|---|---|---|
| A (Control) | B (Switch) | C (Reversal) | D (Distraction) | |||||
| M | SD | M | SD | M | SD | M | SD | |
| 3-Year-olds | ||||||||
| Latency (s) | 42.58 | 20.01 | 37.61 | 16.12 | 36.37 | 14.35 | 44.97 | 19.56 |
| Errors | 1.66 | 1.91 | 1.47 | 1.69 | 2.00 | 2.22 | 2.16 | 2.51 |
| 4-Year-olds | ||||||||
| Latency (s) | 32.86 | 19.54 | 24.34 | 16.31 | 20.97 | 8.06 | 25.20 | 13.49 |
| Errors | 1.63 | 1.99 | 0.91 | 1.44 | 1.31 | 1.81 | 1.23 | 1.99 |
| 5-Year-olds | ||||||||
| Latency (s) | 21.23 | 17.51 | 20.47 | 13.87 | 20.10 | 14.61 | 19.57 | 11.99 |
| Errors | 0.60 | 1.16 | 0.77 | 1.36 | 0.87 | 1.31 | 0.40 | 0.81 |
(s) = seconds.