| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| reinforcement contingent upon effort | 0.06 | 0.5 | 1284 | 53 | 36 |
| reinforcement | 0.37 | 0.9 | 4196 | 29 | 13 |
| contingent | 1.88 | 0.1 | 6685 | 60 | 10 |
| upon | 1.14 | 0.5 | 1301 | 66 | 4 |
| effort | 0.44 | 1 | 3628 | 71 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| reinforcement contingent upon effort | 0.66 | 0.2 | 9952 | 92 |
