| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ferguson and lohman 1994 | 1.25 | 0.7 | 4439 | 19 | 24 |
| ferguson | 0.02 | 0.7 | 4110 | 38 | 8 |
| and | 0.35 | 0.5 | 4150 | 76 | 3 |
| lohman | 1.36 | 0.3 | 1960 | 64 | 6 |
| 1994 | 1.86 | 0.2 | 9124 | 39 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ferguson and lohman 1994 | 0.28 | 0.1 | 8655 | 72 |
