Quiz (Chapter 14, Second Part)

Mixed ANOVAs

Introduction
1. In a mixed ANOVA, how many between-subjects and within-subjects factors will there be?
2.  1 between-subjects factor and 1 within-subjects factor 2 between-subjects factors and 2 within-subjects factor2 At least 2 between-subjects factors (with within-subjects factors being optional) At least 2 within-subjects factors (with between-subjects factors being optional) At least 1 between-subjects factor and at least 1 within-subjects factor
3. The 3 most popular kinds of mixed ANOVAs involve how many factors?
4.  2 or 3 2 or 4 3 or 4 4 or 5
Two-Way Mixed ANOVAs
1. A 2x3 mixed ANOVA would have how many within-subjects factors?
2.  1 2 3 5 6
3. The label "2-way repeated measures ANOVA" may or may not be referring to a 2-way mixed ANOVA.
4.  True False
5. If Figure 17.1 is modified to fit the study described in Excerpt 17.2, how many main rows would there be (i.e., rows for things other than "subjects")?
6.  3 5 6 9
7. A 2-way mixed ANOVA, a fully between-subjects 2-way ANOVA, and a fully within-subjects 2-way ANOVA all have the same basic purpose and usually involve three null hypotheses.
8.  True False
9. How many main effects means were there for Group in the 2-way mixed ANOVA discussed in Excerpt 17.5?
10.  Just 1 2 3 5
11. In the study that provided Excerpt 17.3, how many research questions were concerned with interaction.
12.  Just 1 2 3 11 22
13. If, in Excerpt 17.7, the upper right-hand cell had been larger, the main effect means for "Emotional Response" would have turned out ____.
14.  closer together farther apart
15. The "top" and "bottom" sections in a mixed ANOVA's summary table are often labeled with what terms?
16.  "Initial" and "Final" "Mixed" and "Unmixed" "Repeated" and "Unrepeated" "Between-subjects" and "Within-subjects"
17. If an ANOVA summary table is built for Excerpt 17.2, the main effect for Task will appear in the _____ section of the summary table.
18.  top bottom
19. The number of subjects supplying data for a mixed ANOVA can be determined by adding 1 to which of the dfs?
20.  The df for Between Subjects The df for Within Subjects The df for Error (Between) The df for Error (Within) The df for Total
21. If 20 patients had been involved in the study described in Excerpt 17.1, how many df would be on the ANOVA summary table's row called Error (Within)?
22.  18 19 36 38 59
23. In Excerpt 17.8, the F for Feedback Condition and the F for Trial Block each focused on 2 means.
24.  True False
25. Even if significant, the main effect Fs in Excerpt 17.6 would not be "probed" via any post hoc tests.
26.  True False
27. In Table 1 of Excerpt 17.10, the summary for one of the 8 post hoc investigations doesn't match the authors' textual summary of that same post hoc investigation. This discepancy exists relative to which comparisons?
28.  The comparison of the 5 interventions in the Oncology group The comparison of the 5 interventions in the Nurse group The comparison of the 5 interventions in the Control group The comparison of the 3 groups that received the PR intervention The comparison of the 3 groups that received the TO intervention
29. In Excerpt 17.11, each of the 3 columns labeled MS should have been labeled SS instead.
30.  True False
31. In Excerpt 17.12, how many times was a "test of simple main effects" conducted to probe the interaction?
32.  4 5 6 7 It is impossible to determine based on the information provided
33. Which of the F-tests of a 2-way mixed ANOVA are positively biased if the sphericity assumption is violated?
34.  Only the F-test for the main effect of the between-subjects factor Only the F-test for the main effect of the within-subjects factor Only the F-test for the interaction Both of the F-tests located in the "Within Subjects" portion of the ANOVA table All 3 of the F-tests
35. Can a 2-way mixed ANOVA yield results that are significant statistically but are not significant in a practical sense?
36.  Yes No
Three-Way Mixed ANOVAs
1. A 3-way mixed ANOVA will always have repeated measures on two of the three factors.
2.  True False
3. A standard 3-way mixed ANOVA has __ null hypotheses: __ for main effects and __ for interactions.
4.  3; 2; 1 3; 1; 2 7; 3; 4 7; 4; 3
5. How many scores will each subject contribute to a split-plot factorial 3.23?
6.  3 5 6 23 323
7. In Excerpt 17.23, the mean of 12.13 and which other mean(s) was/were based on scores from the same students?
8.  5.80 7.67 and 14.47 7.67, 4.13, 5.80, 14.47, and 10.47 13.53, 6.20, 5.80, 13.27, and 8.20
9. In Excerpt 17.24, there would be __ main effect means for Stimulus, each based on __ raw scores.
10.  2; 15 2; 30 2; 60 4; 30 4; 60
11. In the ANOVA summary table for Excerpt 17.20, both the Ages row and the Hand Condition x Age row will be in the Within-Subjects section of the table.
12.  True False
13. The number of different denominators (i.e., Error MSs) used to form the Fs in a 3-way mixed ANOVA is the same regardless of how many within-subjects factors there are.
14.  True False
15. The text portion of Excerpt 17.27 ends with the words "there were no other interactions." How many "other interactions" were there, and what additional word should have been inserted after "other"?
16.  Just 1; first-order 2; first-order 3; first-order 2; significant 3; significant
17. In Excerpt 17.27, how many post hoc null hypotheses were set up and evaluated when the Newman-Keuls procedure was used to "probe' the significant interaction shown in Figure 2?
18.  2 4 8 16
19. What do most authors do relative to the important sphericity assumption that underlies 3-way mixed ANOVAs?
 Test the sphericity assumption Reduce the dfs of critical values Both test and assumption and reduce the dfs of critical values Neither test the assumption nor reduce the dfs of critical values
20. Three-way mixed ANOVAs ___ involve an assumption of equal population variances.
21.  do don't
22. Cohen recommends that effect size fs of .10, .25. and .40 be considered small, medium, and large.
23. are.
 True False
24. In Excerpt 17.30, the effect of the success/failure condition was ____ in light of the eta-squared value computed for this significant main effect.
25.  small medium large
26. Planned comparisons ___ be used in conjunction with 2-way and 3-way mixed ANOVAs.
27.  can cannot
A Final Comment
1. In Excerpt 17.32, what is/are the dependent variable(s)?
2.  Accuracy and RT Group Task, Condition, and Delay
3. If the results of Excerpt 17.33's ANOVA were to be presented in a summary table, how many Fs would appear in the upper portion of the summary table?
4.  1 3 7 15
5. If the results of Excerpt 17.34's ANOVA were to be presented in a summary table, how many Fs would appear in the upper portion of the ANOVA summary table?
6.  1 5 6 31