Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|
selection bias internal validity | 0.73 | 0.6 | 4102 | 89 | 32 |
selection | 0.86 | 1 | 5598 | 49 | 9 |
bias | 1.92 | 0.6 | 2919 | 56 | 4 |
internal | 1 | 0.8 | 7067 | 75 | 8 |
validity | 1.28 | 0.4 | 8371 | 95 | 8 |
Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
selection bias internal validity | 1.37 | 0.8 | 5411 | 99 |