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. An experiment that examines the effects of four levels of music on performance is a factorial experiment.
-- Choose an answer --
a. True
b. False
2. You have the following groups: Group 1 (No Treatment), Group 2 (Treatment A only), Group 3 (Treatment B only), and Group 4 (Treatment A and B). How many factors (independent variables) do you have in your experiment?
-- Choose an answer --
a. 1
b. 2
3. You have the following groups: Group 1 (No Treatment), Group 2 (Treatment A), Group 3 (Treatment B), and Group 4 (Treatment C). Do you have a factorial experiment?
-- Choose an answer --
a. Yes
b. No
4. A factorial experiment has at least two dependent variables.
-- Choose an answer --
a. True
b. False
5. A 2 X 2 experiment yields ____ overall main effects.
-- Choose an answer --
a. 2
b. 4
6. In a factorial experiment, you could estimate the overall main effect of a treatment by _____ its simple main effects.
-- Choose an answer --
a. Adding
b. Averaging
7. You have the following means:
No Treatment A
Treatment A
No Treatment B
5
10
Treatment B
15
20
Do you have an interaction?
-- Choose an answer --
a. Yes
b. No
8. You have the following means:
No Treatment A
Treatment A
No Treatment B
15
10
Treatment B
15
20
Do you have an interaction?
-- Choose an answer --
a. Yes
b. No
9. Testing for interactions would be most helpful for addressing questions about the ____ validity of an effect.
-- Choose an answer --
a. External
b. Internal
10. Moderating variables are most likely to produce
-- Choose an answer --
a. Interactions
b. Main effects
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