In addition to the key words, you should also be able to define the following terms:
- within-subjects design
- between-subjects design
- independent-measures design
- assignment bias
- random assignment
- variance within treatments, or variance
- within groups
- differential attrition
- diffusion
- compensatory equalization
- compensatory rivalry
- resentful demoralization
- single-factor two-group design, or
- two-group design
- single-factor multiple-group design.