Table 1.
Linear mixed effects model for the GNG task outcome measures
| Outcome measure | Dependent measures | Result |
|---|---|---|
| Score | Lighting condition | F2,56=4.98, P<0.01 |
| Time period | F3,255=35.83, P<0.01 | |
| Lighting condition – Time period | F6,255=1.21, P=0.30 | |
| Response speed | Lighting condition | F2,56=4.53, P=0.02 |
| Time period | F3, 255=41.13, P<0.01 | |
| Lighting condition – Time period | F6, 255=0.78, P=0.59 | |
| 10% best response times | Lighting condition | F2,56=0.39, P=0.68 |
| Time period | F3,251=18.67, P<0.01 | |
| Lighting condition – Time period | F6,251=0.45, P=0.85 | |
| 10% worst response times | Lighting condition | F2,56=2.54, P=0.09 |
| Time period | F3,251=6.53, P<0.01 | |
| Lighting condition – Time period | F6,251=0.57, P=0.76 | |
| Number of false starts | Lighting condition | F2,56=3.24, P<0.05 |
| Time period | F3,255=0.39, P=0.76 | |
| Lighting condition – Time period | F6,255=0.50, P=0.81 | |
| False positive rate | Lighting condition | F2,56=0.09, P=0.91 |
| Time period | F3,255=5.59, P<0.01 | |
| Lighting condition – Time period | F6,255=0.95, P=0.46 | |
| Hit rate | Lighting condition | F2,56=0.33, P=0.72 |
| Time period | F3,255=1.71, P=0.17 | |
| Lighting condition – Time period | F6,255=1.08, P=0.38 | |
| Lapses | Lighting condition | F2,56=1.18, P=0.32 |
| Time period | F3,255=29.09, P<0.01 | |
| Lighting condition – Time period | F6,255=0.34, P=0.92 | |
| Lapse probability | Lighting condition | F2,56=1.37, P=0.26 |
| Time period | F3,255=28.40, P<0.01 | |
| Lighting condition – Time period | F6,255=0.31, P=0.93 |
Notes: Time periods were established following the procedure described in Data Analysis. Significant results are highlighted in bold.