Table 1.
Cognitive performance before and after the intervention in all four experimental conditions.
| Intervention | Information | d2-R KL pre M (SD) | d2-R KL post M (SD) |
|---|---|---|---|
| Mental training | “Effective mental training” (n = 29) | 169.8 (32.8) | 205.3 (36.1) |
| “Control group” (n = 24) | 176.7 (32.4) | 216.3 (36.5) | |
| Lecture (Control training) | “Effective mental training” (n = 25) | 162.6 (37.3) | 204.1 (39.0) |
| “Control group” (n = 25) | 189.3 (39.0) | 221.2 (40.5) | |
| total (n = 103) | 174.4 (36.2) | 211.4 (38.1) |
M, mean; SD, standard deviation; n, sample size.