| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| berardino et al. 2002 | 1.03 | 0.6 | 6309 | 19 | 21 |
| berardino | 0.64 | 0.2 | 5272 | 58 | 9 |
| et | 0.29 | 0.1 | 4621 | 86 | 2 |
| al. | 1.25 | 0.8 | 8264 | 18 | 3 |
| 2002 | 0.25 | 0.8 | 4241 | 82 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| berardino et al. 2002 | 1.38 | 0.8 | 2959 | 69 |
