Test Yourself

Take this quiz and see how you do. Select the correct answers by using the drop down menus. Once you are done, click submit to see your score! The ones that you get wrong will have a check!

1. If you use the proper design, you can eliminate all extraneous variables from your study.
2. Random assignment allows you to rule out the effects of extraneous variables.
3. Extraneous variables fall into eight categories.
4. If you want to generalize your results, you want internal validity.
5. Researchers often tend to place more emphasis on internal validity rather than on external validity.
6. Replications are particularly effective for establishing external validity.
7. Design decisions that increase internal validity often tend to decrease external validity.

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