Chapter 4
Order by
5 terms
Terms | Definitions |
|---|---|
 observational study | researchers simply observe or question the participants about opinions, behaviors, or outcomes |
| experiment | researchers manipulate something and measure the effect of the manipulation on some outcome of interest |
| randomized experiments | experiments in which the participants are randomly assigned to participate in one condition or another |
| treatments | different conditions of an experiment |
| unit | a single individual or object being measured |
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