| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| negative control in an experiment | 1.77 | 1 | 1056 | 91 | 33 |
| negative | 0.84 | 0.1 | 938 | 33 | 8 |
| control | 1.65 | 0.2 | 5816 | 15 | 7 |
| in | 0.22 | 1 | 3128 | 49 | 2 |
| an | 0.51 | 0.2 | 9895 | 6 | 2 |
| experiment | 0.21 | 0.4 | 9217 | 21 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| negative control in an experiment | 2 | 0.5 | 9272 | 3 |
