Exercise 1: Select the best answer. A) Which of the following accurately describes an interaction between two factors in a two-factor ANOVA? a. Both factors produce a change in the subjects' scores. b. Both factors are equally influenced by a third variable. c. The two factors are differently affected by a third variable. d. The effect of one factor depends on the levels of the second factor.

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Chapter 13 Application Exercises
Exercise 1: Select the best answer.
A) Which of the following accurately describes an interaction between two factors in a
two-factor ANOVA?
a. Both factors produce a change in the subjects' scores.
b. Both factors are equally influenced by a third variable.
c. The two factors are differently affected by a third variable.
d. The effect of one factor depends on the levels of the second factor.
ге
B) Which of the following accurately describes the two stages of a two-factor ANOVA?
a. The first stage partitions the total variance, and the second stage partitions the
within-treatment variability.
b. The first stage evaluates the hypothesis tests for the main effect, and the second
stage evaluates the hypothesis test for an interaction effect.
c. The first stage partitions the between-treatment variability, and the second
stage partitions the within-treatment variability.
d. The first stage partitions the total variability, and the second stage partitions the
between-treatment variability.
C) If a two-factor analysis of variance produces a statistically significant interaction, then
you can conclude that
a. either the main effect for factor A or the main effect for factor B is also
significant.
b. neither the main effect for factor A nor the main effect for factor B is significant.
c. both the main effect for factor A and the main effect for factor B are significant.
d. the significance of the main effects is not related to the significance of the
interaction.
Transcribed Image Text:Chapter 13 Application Exercises Exercise 1: Select the best answer. A) Which of the following accurately describes an interaction between two factors in a two-factor ANOVA? a. Both factors produce a change in the subjects' scores. b. Both factors are equally influenced by a third variable. c. The two factors are differently affected by a third variable. d. The effect of one factor depends on the levels of the second factor. ге B) Which of the following accurately describes the two stages of a two-factor ANOVA? a. The first stage partitions the total variance, and the second stage partitions the within-treatment variability. b. The first stage evaluates the hypothesis tests for the main effect, and the second stage evaluates the hypothesis test for an interaction effect. c. The first stage partitions the between-treatment variability, and the second stage partitions the within-treatment variability. d. The first stage partitions the total variability, and the second stage partitions the between-treatment variability. C) If a two-factor analysis of variance produces a statistically significant interaction, then you can conclude that a. either the main effect for factor A or the main effect for factor B is also significant. b. neither the main effect for factor A nor the main effect for factor B is significant. c. both the main effect for factor A and the main effect for factor B are significant. d. the significance of the main effects is not related to the significance of the interaction.
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