| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| why are placebos used | 1.28 | 0.4 | 7156 | 80 | 21 |
| why | 1.39 | 0.1 | 6129 | 5 | 3 |
| are | 1.49 | 0.8 | 1275 | 57 | 3 |
| placebos | 1.41 | 0.3 | 2886 | 33 | 8 |
| used | 1.25 | 0.5 | 8322 | 38 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why are placebos used | 1.94 | 0.9 | 516 | 31 |
| why are placebos used in drug trials | 1.71 | 1 | 8773 | 70 |
| why are placebos used in clinical trials | 1.3 | 0.6 | 8024 | 32 |
| why are placebos used in health research | 1.7 | 0.1 | 6989 | 55 |
| why are placebos used in research | 1.19 | 1 | 5015 | 2 |
| why are placebos used gcse | 1.57 | 0.4 | 6417 | 84 |
| why are placebos used in experiments | 0.97 | 0.3 | 6284 | 78 |
| why are placebos used in drug trials gcse | 0.33 | 0.7 | 8951 | 26 |
| why are placebos used in some experiments | 0.22 | 0.6 | 8103 | 86 |
| why are placebos used in trials | 0.27 | 0.2 | 2583 | 96 |
