Experiment Basics
1. Explain what an experiment is and recognize examples of studies that are experiments and studies that are not experiments.
2. Distinguish between the manipulation of the independent variable and control of extraneous variables and explain the importance of each.
3. Recognize examples of confounding variables and explain how they affect the internal validity of a study.
4. Define what a control condition is, explain its purpose in research on treatment effectiveness, and describe some alternative types of control conditions
