Methods | Proportion | Article number |
survey | 33.33% | 9 |
network analysis and the Granger causality test | 7.41% | 2 |
machine learning | 11.11% | 3 |
interviews and content analysis | 7.41% | 2 |
content analysis and survey | 18.52% | 5 |
content analysis | 25.93% | 7 |