| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| observational study vs experimental study | 1.77 | 0.4 | 2597 | 39 | 41 |
| observational | 1.03 | 0.5 | 11 | 1 | 13 |
| study | 0.69 | 0.5 | 7542 | 77 | 5 |
| vs | 0.21 | 0.4 | 2767 | 57 | 2 |
| experimental | 0.82 | 0.9 | 7212 | 35 | 12 |
| study | 1.07 | 0.1 | 6196 | 88 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| observational study vs experimental study | 0.21 | 0.5 | 2546 | 53 |
| observational study and experimental study | 0.88 | 0.3 | 4347 | 77 |
