| Similarity | Rank | |
|---|---|---|
| quantitative | 0.870 | 6245 |
| empirical | 0.812 | 4558 |
| cross-national | 0.781 | 39708 |
| observational | 0.780 | 16782 |
| non-experimental | 0.779 | 59691 |
| psychophysical | 0.773 | 55717 |
| analytic | 0.773 | 14220 |
| co-citation | 0.769 | 50595 |
| quantification | 0.765 | 16316 |
| stratificational | 0.764 | 68722 |
| neuropsychology | 0.762 | 51023 |
| summative | 0.762 | 35573 |
| attitudinal | 0.757 | 21073 |
| ethogenic | 0.754 | 66193 |
| information-related | 0.753 | 99866 |
| correlational | 0.752 | 81763 |
| quantitive | 0.752 | 83119 |
| methodology | 0.749 | 5742 |
| neurophysiological | 0.749 | 32819 |
| probabilistic | 0.749 | 23233 |
| sociolinguistic | 0.747 | 21133 |
| psychometric | 0.747 | 35230 |
| subjective | 0.747 | 5436 |
| case-studie | 0.747 | 52965 |
| cross-cultural | 0.745 | 24528 |