In a between subjects factorial design, the null hypothesis for Factor B states that Factor B _____.
a. affects Factor A c. both a and B
b. affects the dependent variable d. none of these
What statistical test is appropriate for analyzing the results of a study that uses a between subjects factorial design?
a. repeated measures t test c. t test for independent groups
b. repeated measures ANOVA d. factorial ANOVA
In a 2 X 3 between subjects factorial design, how many null hypotheses are there?
a. two c. five
b. three d. six
In a between subjects factorial experiment with two independent variables, how many null hypotheses are there?
a. one c. three
b. two d. four
When an experimenter who is conducting a factorial study talks about the groups in the experiment, s/he is referring to _____.
a. several people who meet in a room at the same time in order to participate
b. the cells in the experiment
c. the interactions that are present in the data
d. the statistical procedure by which the mean square is calculated
In a factorial experiment, if the experimenter is concerned about demand characteristic, s/he can _____.
a. use a within subjects design
b. increase the size of the sample
c. use a simple experiment instead of a factorial experiment
d. disguise the real purpose of the experiment
What is the purpose of random assignment in the between groups factorial experiment? It _____.
a. doesn't exist; matching is always used
b. is a way for controlling the effect of the treatment
c. assures that groups are equivalent before the treatment
d. doesn't exist; each subject is her or his own control
An experimenter is conducting a factorial study in which she is examining the effects of threat (low vs. high) and reward (none, small, and large) on risk taking. Which of the following would NOT be one of the treatment conditions in this study?
a. high risk and low threat c. high threat and small reward
b. low threat and large reward d. high threat and no reward
An experimenter is testing the effects of thirst and fear on drinking. The four experimental treatment conditions would be low thirst and low fear; low thirst and high fear; high thirst and low fear; and _____.
a. low thirst and low fear c. low thirst and high fear
b. high thirst and high fear d. high thirst and low fear
A factorial design in which participants are randomly assigned to receive only one combination of treatment levels is a _____ design.
a. matched groups c. within subjects
b. repeated measures d. between subjects
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