| A | B |
|---|
| survey | a way to gain information form a group of people using the least amount of money |
| population | everyone included in a specific group |
| random sample | Small group of people chosen at random that represents the whole population |
| correlation | 2 or more things that may have an impact of each other |
| experiment | A way researches find out if 2 or more things impact each other |
| random assignment | Assigning participants to 1 of 2 groups, experiment versus control group |
| experimental group | The group of people in the experiment that has something changed |
| control group | a comparison group in a study whose members receive either no intervention at all or some established intervention. |
| placebo | an inert substance (placebo) instead of the active drug under investigation, |
| placebo effect | a clinically significant response to a therapeutically inert substance or nonspecific treatment (placebo), deriving from the recipient’s expectations or beliefs regarding the intervention. |
