| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what are vulnerable populations in research | 0.97 | 0.5 | 5423 | 49 | 43 |
| what | 1.94 | 0.6 | 8386 | 78 | 4 |
| are | 1.97 | 0.3 | 5079 | 18 | 3 |
| vulnerable | 0.52 | 0.1 | 3979 | 73 | 10 |
| populations | 0.4 | 0.7 | 8002 | 27 | 11 |
| in | 1.7 | 0.8 | 4247 | 4 | 2 |
| research | 1.68 | 0.3 | 5408 | 4 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what are vulnerable populations in research | 1.62 | 0.3 | 301 | 93 |
