In a three-way factorial design, the three-way interaction can be interpreted to mean which of the following?
a. Two of the two-way interactions have different patterns of means.
b. All three main effects are significant.
c. At least one two-way interaction is significant.
d. None of the two-way interactions is significant.
How many main effects and interactions are there in a 2 x 4 x 3 design?
a. Three main effects and one interaction
b. Four main effects and twenty-four interactions
c. Three main effects and four interactions
d. Two main effects and two interactions
A 2 x 2 x 2 factorial design has
a. three main effects, three two-way interactions, and one three-way interaction.
b. three main effects, one two-way interaction, and three three-way interactions.
c. three main effects, one two-way interaction, and one three-way interaction.
d. three main effects and one two-way interaction.
Which of the following statements is true about interpreting a 2 x 2 factorial experiment?
a. It is misleading to interpret the main effects when there is a significant interaction.
b. It is misleading to interpret the interaction when there is a significant main effect.
c. It is misleading to interpret the simple effects when there is a significant interaction.
d. It is misleading to interpret the interaction when there are significant simple effects.
A crossover interaction occurs in a 2 x 2 factorial design when
a. the means on one dependent variable are different within a level of another dependent variable.
b. there are differences on the dependent measure across the levels of any one factor.
c. the simple effect in one level of the second variable is the same as the simple effect in the other level of the second variable.
d. the simple effects are opposite in direction.
Results of a study show that children who watch a nonviolent cartoon act more aggressively when they are hungry than when they are not hungry, but that children who watch a violent cartoon act more aggressively when they are not hungry than when they are hungry. This finding represents a
a. crossover interaction.
b. simple main effect.
c. simple effect.
d. marginal effect.
The results of a study show that, regardless of whether they viewed cartoons or television shows, children who viewed a violent show acted more aggressively than children who saw a nonviolent show. This finding represents a
a. cross-over interaction.
b. main effect.
c. simple effect.
d. marginal effect.
In a factorial design, the researcher may find
a. interactions only.
b. main effects only.
c. either main effects or interactions, but not both.
d. both main effects and interactions.
Whereas the main effects compare marginal means, the simple effects compare
a. independent means.
b. cell means.
c. more significant means.
d. less significant means.
Consider a 2 x 2 experiment design in which both study time and sleep time have been manipulated and learning has been measured. An interaction between study time and sleep time can be interpreted to mean which of the following?
a. The simple effects of study time are not significant.
b. The simple effects of study time are different in each level of sleep time.
c. The main effect of study time is not significant.
d. The main effect of sleep time is not significant.
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