| Research focuses | Proportion | Article number |
| public agenda | 57.14% | 16 |
| intermedia agenda setting | 17.86% | 5 |
| factors influenced the agenda setting | 3.57% | 1 |
| public & media & policy agenda | 3.57% | 1 |
| agenda cutting | 3.57% | 1 |
| policy agenda | 14.29% | 4 |