| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| control variable meaning science | 1.75 | 0.3 | 4578 | 15 | 32 |
| control | 0.21 | 1 | 1677 | 11 | 7 |
| variable | 0.45 | 0.7 | 5556 | 94 | 8 |
| meaning | 0.77 | 0.9 | 1385 | 68 | 7 |
| science | 1.37 | 0.4 | 1321 | 56 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| control variable meaning science | 1.85 | 0.7 | 8704 | 74 |
