| A | B |
| scatterplot | shows relationship between variables |
| correlation | connection between 2 variables |
| self-fulfilling prophecy | failing because you believed you would |
| longitudinal study | over a period of time |
| case study | in-depth look at one person or a small group |
| quantitative study | a lot of people are studied |
| placebo effect | happens when you believe it can help |
| inferential statistics | can make generalizations about the population studied |
| double-blind experiment | neither the researcher nor the participant knows |
| central tendency | average |
| random sample | drawing names from a hat |