| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the norm of reciprocity is | 0.13 | 0.1 | 7339 | 98 | 26 |
| the | 0.16 | 0.1 | 803 | 13 | 3 |
| norm | 1.57 | 0.3 | 6462 | 20 | 4 |
| of | 1.68 | 0.6 | 6581 | 89 | 2 |
| reciprocity | 1.46 | 0.1 | 2180 | 46 | 11 |
| is | 0.18 | 0.9 | 7363 | 18 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the norm of reciprocity is | 0.32 | 0.9 | 5058 | 79 |
