| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| observational study variables | 0.28 | 0.7 | 7486 | 69 | 29 |
| observational | 0.69 | 0.5 | 1539 | 62 | 13 |
| study | 1.47 | 0.8 | 4443 | 48 | 5 |
| variables | 0.34 | 0.9 | 9263 | 44 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| observational study variables | 0.81 | 0.5 | 7355 | 11 |
| independent variable in observational study | 0.39 | 0.8 | 1844 | 79 |
| confounding variable in observational study | 1.76 | 1 | 3333 | 61 |
| explanatory variable in observational study | 0.66 | 0.7 | 106 | 57 |
| response variable in observational study | 1.57 | 0.7 | 3127 | 67 |
| observational study dependent variable | 1.74 | 0.9 | 9096 | 13 |
| variables in an observational study | 1.36 | 0.6 | 7535 | 67 |
| independent variable in study | 0.54 | 0.1 | 9517 | 13 |
| independent variable in a research study | 1.99 | 0.9 | 2632 | 64 |
| independent variable in a qualitative study | 1.52 | 0.6 | 4008 | 70 |
| independent variable in research | 1.82 | 0.5 | 4244 | 86 |
| do observational studies have variables | 1.62 | 0.5 | 3500 | 74 |
| independent variable in experimental research | 0.95 | 0.4 | 6844 | 5 |
| what is variable and observation | 1.3 | 0.3 | 2095 | 46 |
