1. Research Design Vocabulary
Independent Variable
Dependent Variable
Subject Variable

2. Experiment Between Groups
sample
Random Assignment
Population
Treatment
Group
Control
Group IV
Placebo?
Assessment of
Between
Groups difference
Dependant
Measure
Dependant
Measure

3. Experiment Within Groups Design
sample
Population
Pretest DV IV
Assessment of
Within Groups Differences
Post-test DV

4. Quasi-Experiment ? Population Group of Control Interest Group
Assessment of
Between
Groups difference
Dependant
Measure
Dependant
Measure

5. Observational Research
Nonrandom Selection
Sample or
Population
Random Selection X Y Z?

6. Correlations Chance Of Dying Of Lung Cancer
Number of cigarettes smoked per day

7. Negative Correlation
Exam Grade
Number of Beers

8. Lurking Variable
# of
Household
appliances
Condom usage

9. Confounded Variables
Income
Years of Education