Types of methodology
| Method | No. of articles | % | ||
|---|---|---|---|---|
| Quantitative | 53 | 65 | ||
| Secondary data | Ads | 2 | 2 | |
| Public databases | 9 | 11 | ||
| Sales data from firms | 1 | 1 | ||
| Social media | 1 | 1 | ||
| Survey | In-person | 20 | 25 | |
| On-line | 15 | 19 | ||
| On-line and in-person | 5 | 6 | ||
| Qualitative | 8 | |||
| Focus groups | 1 | 1 | ||
| In-depth interviews | 4 | 5 | ||
| Case study | 2 | 2 | ||
| Observations | 1 | 1 | ||
| Mixed method | 8 | 10 | ||
| Conceptual | 10 | 12 | ||
| Literature review | 2 | 2 |
| Method | No. of articles | % | ||
|---|---|---|---|---|
| Secondary data | 2 | |||
| 9 | ||||
| 1 | ||||
| 1 | ||||
| Survey | 20 | |||
| 15 | ||||
| 5 | ||||
| 1 | ||||
| 4 | ||||
| 2 | ||||
| 1 | ||||
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