| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| define norm of reciprocity | 1.99 | 0.3 | 709 | 97 | 26 |
| define | 0.62 | 0.2 | 453 | 83 | 6 |
| norm | 0.13 | 0.6 | 863 | 89 | 4 |
| of | 1.33 | 0.9 | 6697 | 8 | 2 |
| reciprocity | 1.47 | 0.2 | 2544 | 37 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| define norm of reciprocity | 0.93 | 0.8 | 6502 | 71 |
