| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| theory of second language acquisition | 1.06 | 0.3 | 3687 | 84 | 37 |
| theory | 1.93 | 0.8 | 8524 | 59 | 6 |
| of | 1.63 | 0.1 | 9195 | 11 | 2 |
| second | 1.81 | 0.3 | 6130 | 97 | 6 |
| language | 0.51 | 0.5 | 3823 | 26 | 8 |
| acquisition | 0.34 | 0.7 | 6461 | 43 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| theory of second language acquisition | 1.49 | 0.4 | 4677 | 57 |
