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. Before-after ads should be very convincing because the pretest-posttest design has high internal validity.
-- Choose an answer --
a. True
b. False
2. The story of the ugly duckling is an example of
-- Choose an answer --
a. History
b. Maturation
3. Repeatedly asking people about their attitudes on a topic may change those attitudes due to the testing effect.
-- Choose an answer --
a. True
b. False
4. Testing is easier to eliminate than instrumentation.
-- Choose an answer --
a. True
b. False
5. Regression effects are most likely when you use extreme scores.
-- Choose an answer --
a. True
b. False
6. If participants who scored extremely low on a test do better on the retest, you should most suspect
-- Choose an answer --
a. Instrumentation
b. Regression
7. The most common source of mortality bias is death.
-- Choose an answer --
a. True
b. False
8. Participants who stay with a rigorous six-month exercise program lose weight. Of the following, which is the most serious threat to the study´s internal validity?
-- Choose an answer --
a. Maturation
b. Mortality
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