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. Participants may change over time, even without receiving a treatment.
-- Choose an answer --
a. True
b. False
2. The story of Rudolph the red-nosed reindeer best illustrates
-- Choose an answer --
a. History
b. Maturation
3. Repeatedly asking people about their attitudes on a topic may change those attitudes due to
-- Choose an answer --
a. instrumentation
b. testing
4. Testing is the result of changing your measure; instrumentation is the result of your measurements changing the participants.
-- Choose an answer --
a. True
b. False
5. Regression effects are less likely when you use a reliable measure.
-- Choose an answer --
a. True
b. False
6. If participants who scored extremely high on a test do worse on the retest, you should most suspect
-- Choose an answer --
a. Regression
b. Testing
7. Mortality is not a threat to pretest-posttest designs.
-- 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. Instrumentation
b. Regression
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