Researcher | Year | Criteria | Grade | |||||
Goals and objectives | Study context | Sample | Methodology | Data | The results of the study are validated |
| ||
| 2011 | / | / | / | / | / | / | A |
| 2012 | / | / | / | / | / | / | B |
| 2014 | / | / | / | / | / | / | A |
| 2015 | / | / | / | / | / | / | A |
| 2015 | / | / | / | / | / | / | B |
| 2016 | / | / | / | / | / | / | A |
| 2017 | / |
| / | / | / | / | B |
| 2017 | / | / | / | / | / | / | A |
| 2017 | / |
| / | / | / | / | B |
| 2017 | / | / | / | / | / | / | A |
| 2018 | / | / | / | / | / | / | A |
| 2018 | / | / | / | / | / | / | A |
| 2018 | / | / | / | / | / | / | A |
| 2018 | / | / | / | / | / | / | A |
| 2018 | / | / | / | / | / | / | A |