Research Design Vocabulary Independent Variable Dependent Variable Subject Variable
Experiment Between Groups sample Random Assignment Population Treatment Group Control Group IV Placebo? Assessment of Between Groups difference Dependant Measure Dependant Measure
Experiment Within Groups Design sample Population Pretest DV IV Assessment of Within Groups Differences Post-test DV
Quasi-Experiment ? Population Group of Control Interest Group Assessment of Between Groups difference Dependant Measure Dependant Measure
Observational Research Nonrandom Selection Sample or Population Random Selection X Y Z?
Correlations Chance Of Dying Of Lung Cancer Number of cigarettes smoked per day
Negative Correlation Exam Grade Number of Beers
Lurking Variable # of Household appliances Condom usage
Confounded Variables Income Years of Education