| Typicality: | 0.427 |
| Saliency: | 0.414 |
| to test their effects | 8 | purpose |
| in an experiment | 7 | temporal |
| systematically | 4 | manner |
| researcher → manipulate → independent variable | 18 |
| researcher → manipulate → variable | 13 |
| researcher → manipulate → one or more variables | 5 |
| researcher → manipulate → one variable | 5 |
| researcher → manipulate → a variable of interest | 4 |
| researcher → manipulate → one of the variables | 3 |
| negative | neutral | positive |
| 0.104 | 0.817 | 0.079 |
| Raw frequency | 48 |
| Normalized frequency | 0.414 |
| Modifier score | 0.500 |
| Perplexity | 242.560 |