| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| extraneous variables research | 1.03 | 0.9 | 7000 | 62 | 29 |
| extraneous | 1.49 | 0.7 | 6211 | 25 | 10 |
| variables | 0.19 | 0.1 | 1915 | 85 | 9 |
| research | 0.62 | 0.8 | 1798 | 97 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| extraneous variables research | 1.21 | 0.5 | 4146 | 18 |
