序号 | 研究主题 | 频次 | 中心值 | 年份 |
1 | physical activity | 487 | 0.21 | 2004 |
2 | autonomy | 9 | 0.17 | 2009 |
3 | environment | 216 | 0.16 | 2004 |
4 | pretend play | 170 | 0.16 | 2005 |
5 | mind | 86 | 0.15 | 2005 |
6 | depression | 57 | 0.14 | 2005 |
7 | overweight | 159 | 0.13 | 2005 |
8 | predictor | 123 | 0.13 | 2005 |
9 | playground | 63 | 0.13 | 2004 |
10 | memory | 55 | 0.13 | 2005 |
11 | competence | 140 | 0.12 | 2005 |
12 | boy | 63 | 0.12 | 2005 |
13 | role | 11 | 0.12 | 2005 |
14 | fundamental movement skill | 5 | 0.12 | 2020 |
15 | transition | 28 | 0.11 | 2010 |
16 | representational play | 2 | 0.11 | 2005 |
17 | impact | 208 | 0.10 | 2004 |
18 | skill | 183 | 0.10 | 2005 |