| Research method | Primary | Secondary | Other | Total | Percentage |
| Quantitative | 12 | 1 |
| 13 | 35.14% |
| Qualitative | 6 | 5 |
| 11 | 29.73% |
| Descriptive/ theoretical/review |
|
| 5 | 5 | 13.51% |
| Experimental/ Mathematical | 3 |
|
| 3 | 8.11% |
| Mixed methods | 5 |
|
| 5 | 13.51% |
| Total | 26 | 6 | 5 | 37 | 100% |
| Percentage | 70.27% | 16.22% | 13.51% | 100% |
|