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Comparison of mean and standard deviations of EF components in Russian and Japanese girls.
| EF component/country | Russia | Japan | Differences | |||
|---|---|---|---|---|---|---|
| M | SD | M | SD | U | p | |
| Cognitive flexibility | 21.8 | 1.76 | 19.6 | 2.17 | 167.0 | 0.001 |
| Visual working memory | 78.0 | 20.31 | 75.0 | 18.03 | 294.5 | 0.578 |
| Cognitive inhibition, time | 122.3 | 35.51 | 97.8 | 22.29 | 198.0 | 0.004 |
| Cognitive inhibition, mistakes | 10.5 | 9.03 | 10.9 | 7.78 | 341.0 | 0.684 |
| Physical inhibition | 27.2 | 4.59 | 26.8 | 3.81 | 355.5 | 0.874 |
