| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| operant conditioning experiment on humans | 0.54 | 0.5 | 3489 | 61 | 41 |
| operant | 0.99 | 0.6 | 2626 | 26 | 7 |
| conditioning | 1.47 | 0.8 | 145 | 43 | 12 |
| experiment | 1.71 | 0.1 | 8662 | 6 | 10 |
| on | 1.79 | 0.7 | 9890 | 84 | 2 |
| humans | 1.48 | 0.5 | 4438 | 57 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| operant conditioning experiment on humans | 0.48 | 0.2 | 1500 | 29 |
