Research approaches used
| Research approach | 1990–2011 | 2012–2019 | 2020–2024 |
|---|---|---|---|
| Conceptual | 8 | ||
| Mixed methods | 5 | 6 | 7 |
| Qualitative | 7 | 9 | 10 |
| Quantitative | 6 | 8 | 11 |
| Case study | 4 | 4 | 1 |
| Research approach | 1990–2011 | 2012–2019 | 2020–2024 |
|---|---|---|---|
| Conceptual | 8 | ||
| Mixed methods | 5 | 6 | 7 |
| Qualitative | 7 | 9 | 10 |
| Quantitative | 6 | 8 | 11 |
| Case study | 4 | 4 | 1 |
Note(s): *Some articles used a case study approach to combine research methods, and therefore the total is higher than n = 79
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