| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| control variable examples psychology | 1.23 | 0.6 | 1095 | 2 | 36 |
| control | 1.46 | 0.3 | 5732 | 64 | 7 |
| variable | 0.51 | 0.6 | 1462 | 49 | 8 |
| examples | 1.15 | 0.1 | 3425 | 36 | 8 |
| psychology | 1.88 | 0.3 | 9078 | 54 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| control variable examples psychology | 1.33 | 0.2 | 5692 | 29 |
