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.
-- Choose an answer --
a. True
b. False
2. Random assignment allows you to rule out the effects of extraneous variables.
-- Choose an answer --
a. True
b. False
3. Extraneous variables fall into eight categories.
-- Choose an answer --
a. True
b. False
4. If you want to generalize your results, you want internal validity.
-- Choose an answer --
a. True
b. False
5. Researchers often tend to place more emphasis on internal validity rather than on external validity.
-- Choose an answer --
a. True
b. False
6. Replications are particularly effective for establishing external validity.
-- Choose an answer --
a. True
b. False
7. Design decisions that increase internal validity often tend to decrease external validity.
-- Choose an answer --
a. True
b. False
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