| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sample size determination formula for rct | 0.64 | 0.1 | 4339 | 75 | 41 |
| sample | 0.58 | 0.4 | 9835 | 32 | 6 |
| size | 1 | 0.8 | 2843 | 19 | 4 |
| determination | 1.04 | 0.9 | 6617 | 42 | 13 |
| formula | 0.46 | 0.2 | 3867 | 77 | 7 |
| for | 1.56 | 0.9 | 2100 | 14 | 3 |
| rct | 1.2 | 0.6 | 4889 | 56 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sample size determination formula for rct | 0.41 | 0.8 | 1512 | 81 |
