| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| skinner's verbal operants | 0.1 | 0.1 | 8125 | 8 | 25 |
| skinner's | 0.51 | 0.7 | 3215 | 48 | 9 |
| verbal | 1.5 | 0.9 | 115 | 50 | 6 |
| operants | 1.23 | 0.8 | 1003 | 14 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| skinner's verbal operants | 1.87 | 0.2 | 3171 | 66 |
| skinner verbal operants | 0.52 | 0.5 | 9067 | 57 |
| skinner's six elementary verbal operants | 1.25 | 0.4 | 2437 | 13 |
| skinner defined a verbal operant as | 1.92 | 0.9 | 7709 | 77 |
| bf skinner verbal operants | 0.66 | 0.4 | 8765 | 75 |
