Table 2.
Reviewed papers and their modes of inquiry or analysis (N=100).
| Methodology | Papers, n (%) | References |
| Analytic commentary | 16 (16) | [13,50,79,80,84,89,111-118,124,125] |
| Theoretical commentary | 9 (9) | [56,83,88,100,126,127,133-135] |
| Empirical: quantitative | 47 (47) | [39,41,48,49,51,53-55,57,59-62,64-66,68,70,71,73,75-78,81,86,91-95,98,99,101-106, 119,120,123,129-132] |
| Empirical: qualitative | 19 (19) | [38,46,47,52,58,63,72,74,82,85,87,90,97,107-109,121,122,128] |
| Empirical: mixed methods | 5 (5) | [42-45,96] |
| Theoretical and empirical combined | 4 (4) | [40,67,69,110] |