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Core methodologies based on text mining for key methodological terms.
| Methodology | n | % |
|---|---|---|
| Randomization | 1 | 0.29 |
| Cross sectional | 74 | 21.14 |
| Cohort/longitudinal | 0 | 0.00 |
| Focus groups | 8 | 2.29 |
| Interviews | 14 | 4.00 |
| Total keyword(s) identified | 97 | 27.71 |
N.B. total is less than 350 as articles with non-rigorous designs were excluded, such as articles describing courses or curricula.
