| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| observational study vs randomized experiment | 1.76 | 0.2 | 5590 | 9 | 44 |
| observational | 1.09 | 0.4 | 1436 | 90 | 13 |
| study | 1.71 | 0.1 | 1149 | 80 | 5 |
| vs | 1.38 | 0.4 | 3506 | 14 | 2 |
| randomized | 0.47 | 0.9 | 4791 | 1 | 10 |
| experiment | 0.14 | 0.5 | 2854 | 93 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| observational study vs randomized experiment | 0.69 | 0.8 | 7601 | 49 |
| what is randomized observational study | 1.7 | 0.4 | 3087 | 96 |
| are observational studies randomized | 1.75 | 1 | 8020 | 21 |
| experiment vs observational study | 1.99 | 1 | 7719 | 63 |
| observational study vs experimental study | 0.14 | 0.8 | 1853 | 23 |
| observational study vs experiment statistics | 1.17 | 0.3 | 6477 | 97 |
| experiment versus observational study | 1.55 | 0.1 | 7668 | 77 |
| observational study versus experimental study | 1.05 | 0.9 | 8677 | 27 |
| observational study vs experimental | 0.08 | 0.8 | 4190 | 12 |
| observational study and experiment difference | 0.91 | 0.8 | 8052 | 47 |
| observational versus experimental study | 1.29 | 0.3 | 6255 | 20 |
| randomized vs observational study | 1.88 | 0.4 | 2141 | 65 |
