| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| control groups in research | 1.91 | 0.4 | 1785 | 77 | 26 |
| control | 0.96 | 0.5 | 2464 | 25 | 7 |
| groups | 1.43 | 0.5 | 9591 | 67 | 6 |
| in | 1.86 | 0.5 | 7975 | 7 | 2 |
| research | 0.67 | 0.8 | 8121 | 66 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| control groups in research | 0.67 | 1 | 5000 | 27 |
