| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| four theories of development | 1.66 | 0.2 | 2595 | 2 | 28 |
| four | 1.3 | 0.4 | 4240 | 68 | 4 |
| theories | 0.49 | 0.7 | 6538 | 37 | 8 |
| of | 0.42 | 0.6 | 5886 | 75 | 2 |
| development | 1.44 | 0.6 | 3177 | 93 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| four theories of development | 1.42 | 0.6 | 1670 | 13 |
