Chapter 8
| 1. The evidence for interactions can be seen most clearly in which of the following? |
 
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| 2. A __________ design is a design with two or more independent variables, in which the complete set of treatments is defined by the product of the levels of the independent variables. |
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| 3. The design that allows the researcher to test for interactions between variables is the __________. |
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| 4. When comparing line and bar charts, __________. |
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| 5. A(n) __________ occurs when the effect of one variable, X, on another variable, Y, depends upon a third variable, Z. |
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| 6. The statistical test used to analyze the factorial design is called the __________. |
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| 7. When factors such as age and sex, which are based upon characteristics of subjects, are used as a factor in a factorial design, __________. |
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| 8. Most people thrive on a diet containing phenylalanine; only the rare people with phenylketonuria suffer brain damage because of it. This is an example of a(n): |
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| 9. The design that best controls for individual differences between subjects, using the fewest number of subjects, is the __________. |
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| 10. In the analysis of the two-factor design shown in the summary table below, which F test(s) was/were statistically significant? Table Analysis of Variance Summary Table for Depression Scores Source df F A = Drug Th 1 1.86 B = Cog Beh Th 1 12.23* A x B 1 2.03 Error 30 * p < .05 |
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| 11. In a two-factor design, the number of F tests performed is: |
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| 12. In a __________ design, each subject receives all the treatments; in a _________ design, each subject receives only one treatment. |
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