| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| twin studies and adoption studies | 0.95 | 0.8 | 1895 | 94 |
| combining adoption studies and twin studies | 0.3 | 0.2 | 5967 | 69 |
| twin and adoption studies psychology | 0.51 | 0.4 | 5406 | 95 |
| why are twin and adoption studies important | 1.31 | 0.2 | 2974 | 47 |
| what is a twin/adoption study | 1.27 | 0.8 | 8922 | 87 |
| twin and adoption studies criminology | 0.5 | 0.8 | 2204 | 26 |
| jewish adoption agency twin study | 0.4 | 0.4 | 5310 | 90 |
| twin studies biological approach | 0.87 | 0.8 | 5564 | 26 |
| twin studies in genetics | 1.49 | 0.4 | 7434 | 37 |
| evaluation of twin studies | 1.25 | 0.6 | 5957 | 61 |
| what is the twin studies | 1.76 | 0.9 | 7345 | 93 |
| an assumption of twin studies is that | 0.98 | 0.6 | 9548 | 13 |
| what do adoption studies compare | 0.1 | 0.9 | 4719 | 50 |
| how are twin studies conducted | 0.32 | 0.8 | 9960 | 57 |
| twin studies reveal that | 0.64 | 0.8 | 5064 | 59 |
| twin studies biological approach case study | 1.66 | 0.7 | 9710 | 31 |
| twins studies in psychology | 0.33 | 0.9 | 4759 | 82 |
| the study of twins | 1.41 | 0.5 | 4314 | 33 |
| minnesota study of twins reared apart study | 1.57 | 0.1 | 2948 | 51 |
