| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| control groups should be assembled | 0.87 | 0.3 | 5214 | 11 |
| is a control group necessary | 1.04 | 0.6 | 1840 | 29 |
| what makes a control group | 0.13 | 1 | 790 | 89 |
| how to choose a control group | 1.72 | 0.4 | 8215 | 62 |
| the control group have instructions for | 1.18 | 0.2 | 6076 | 66 |
| how to determine control group | 0.03 | 0.4 | 6733 | 28 |
| set up a control group | 0.63 | 0.7 | 5438 | 94 |
| how to identify the control group | 1.25 | 0.5 | 4022 | 2 |
| control group is associated with which method | 1.8 | 0.4 | 1490 | 26 |
| do you manipulate the control group | 0.41 | 1 | 8783 | 9 |
| people agreeing with a control group | 1.81 | 0.2 | 6666 | 51 |
