Table 3.
Effects of the interventions on the number of correct answers in the calculation task across the study. Data are presented as mean ± S.D.
| Intervention | Day | Correct answers (n=6) |
P vs Day 1 |
Mean correct answers |
P vs No light |
|---|---|---|---|---|---|
| No light | 1 | 377 ± 51 | − | 376 ± 35 | − |
| 2 | 380 ± 36 | 0.684 | |||
| 3 | 375 ± 32 | 0.833 | |||
| 4 | 368 ± 24 | 0.917 | |||
|
| |||||
| 50%-cut | 5 | 375 ± 47 | 0.528 | 384 ± 47 | 0.859 |
| 6 | 381 ± 26 | 0.463 | |||
| 7 | 383 ± 54 | 0.399 | |||
| 8 | 397 ± 63 | 0.028 | |||
|
| |||||
| 30%-cut | 9 | 394 ± 55 | 0.028 | 401 ± 53 | 0.085 |
| 10 | 396 ± 51 | 0.058 | |||
| 11 | 409 ± 63 | 0.028 | |||
| 12 | 403 ± 55 | 0.043 | |||