Homework Sourse1 Which of the following is a measure of proportion of varia
1. Which of the following is a measure of proportion of variance for a one-way between subjects ANOVA?
a. eta-squared
b. omega-squared
c. estimated Cohen\'s d
d. both A and B
2. The following is a summary of a one-way between-subjects ANOVA: F(2, 37) = 3.42, p < .05, 2 = .12. How many pairwise comparisons need to be made for this ANOVA result?
a. 2
b. 3
c. 4
d. 12
3. A sex therapist has adult female clients rate their level of interest in each of six relationship situations. To analyze differences in the ratings, what type of statistical design is appropriate for this study?
a. a related samples t-test
b. a one-way within-subjects ANOVA
c. a one-way between-subjects ANOVA
d. none of the above
4. \"Within-subjects\" is also called
a. Between-subjects
b. Within-groups
c. Repeated measures
d. Random sampling
5. For an analysis of variance, the term \"one-way\" refers to
a. the number of factors in the design
b. the number of statistical tests in the design
c. the number of ways that the data can be analyzed
d. the direction that traffic should follow on a road
6. Following a significant one-way between-subjects ANOVA in which k > 2, what is the next appropriate step?
a. Summarize the data; no further tests are required.
b. Interpret the data; no further tests are required.
c. Conduct post hoc tests.
d. both A and B
7. A researcher computes the following one-way within-subjects ANOVA table for a study in which k = 3 and n = 12. State the decision at a .05 level of significance.
Source of Variation
SS
df
MS
Fobt
Between groups
450
Between persons
20
Within groups (error)
Total
1030
a. Reject the null hypothesis.
b. Retain the null hypothesis.
c. There is not enough information to answer this question.
| a. eta-squared | ||
| b. omega-squared | ||
| c. estimated Cohen\'s d | ||
| d. both A and B |
Solution
1. Which of the following is a measure of proportion of variance for a one-way between subjects ANOVA?
a. eta-squared
b. omega-squared
c. estimated Cohen\'s d
d. both A and B
2. The following is a summary of a one-way between-subjects ANOVA: F(2, 37) = 3.42, p < .05, 2 = .12. How many pairwise comparisons need to be made for this ANOVA result?
a. 2
b. 3
c. 4
d. 12
3. A sex therapist has adult female clients rate their level of interest in each of six relationship situations. To analyze differences in the ratings, what type of statistical design is appropriate for this study?
a. a related samples t-test
b. a one-way within-subjects ANOVA
c. a one-way between-subjects ANOVA
d. none of the above
4. \"Within-subjects\" is also called
a. Between-subjects
b. Within-groups
c. Repeated measures
d. Random sampling
5. For an analysis of variance, the term \"one-way\" refers to
a. the number of factors in the design
b. the number of statistical tests in the design
c. the number of ways that the data can be analyzed
d. the direction that traffic should follow on a road
6. Following a significant one-way between-subjects ANOVA in which k > 2, what is the next appropriate step?
a. Summarize the data; no further tests are required.
b. Interpret the data; no further tests are required.
c. Conduct post hoc tests.
d. both A and B
7. A researcher computes the following one-way within-subjects ANOVA table for a study in which k = 3 and n = 12. State the decision at a .05 level of significance.
Source of Variation
SS
df
MS
Fobt
F table
Between groups
450
2
225
13.75
3.44
Between persons
220
11
20
Within groups (error)
360
22
16.3636
Total
1030
35
a. Reject the null hypothesis.
Fobt > Ftable
b. Retain the null hypothesis.
c. There is not enough information to answer this question.
| a. eta-squared | ||
| b. omega-squared | ||
| c. estimated Cohen\'s d | ||
| d. both A and B |
