1. A researcher computes a 2 × 3 between-subjects ANOVA in which 6 participants
ID: 3392950 • Letter: 1
Question
1. A researcher computes a 2 × 3 between-subjects ANOVA in which 6 participants are observed in each cell. What are the degrees of freedom error for this study?
a. 71
b. 60
c. 30
d. 36
2. A researcher computes two 2 × 2 between-subjects ANOVAs. In Study 1, he observes 8 participants in each cell; in Study 2, he observes 12 participants in each cell. Which study is associated with a larger value for degrees of freedom for the A x B interaction?
a. Study 1
b. Study 2
c. Both studies have the same degrees of freedom for the A × B interaction.
3. A researcher computes a 3 × 5 between-subjects ANOVA. What are the degrees of freedom for the A × B interaction for this study?
a. 2
b. 4
c. 8
d. 15
4. The denominator of the test statistic for the main effects and interaction in a two-way between-subjects ANOVA
a. is equal to 0
b. is equal to mean square error
c. is equal to mean square between-groups
d. is a measure of variance for differences between groups
5. An estimate of effect size with the two-way ANOVA is typically reported for:
a. a significant main effect test
b. a significant interaction test
c. both A and B
d. None; effect size is not reported for the two-way ANOVA.
6. To summarize any type of two-way ANOVA using APA format, we report each of the following except the,
a. test statistic
b. critical values
c. p value
d. degrees of freedom
7. A ____ is the combination of one level from each factor.
a. factor
b. cell
c. main effect
d. interaction
a. 71
b. 60
c. 30
d. 36
Explanation / Answer
1) c. 30
2 ) c. Both studies have the same degrees of freedom for the A × B interaction.
4) c. is equal to mean square between-groups
5) a. a significant main effect test
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