In a two-factor between-subjects analysis of variance, the interaction of two independent
variables is reflected in the remaining deviation of a _____ mean from a _____ mean after the
main effects of each independent variable have been
removed.
a. main effect; grand
b. main effect; treatment group
c. cell; grand
d. cell; main effect
C
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Your housekeeper has an excellent ability to report details, but does not recognize emotions. She answers the door and says the following: "There is a person at the door with eyes that have a penetrating stare, a vertical crease in the brow,
tensed lids of the eyes, and pressed lips." What would you do after hearing this description? a) Invite the person in for some coffee. b) Run out the back door as fast as possible. c) Ask the person to share whatever is so surprising. d) Tell the person not to bring that foul smelling material into the house.
If we were to design an experiment to test the hypothesis that aspirin takes headaches away, the independent variable would be _____ and the dependent variable would be _____
a) headaches; aspirin. b) aspirin; Tylenol. c) aspirin; headaches. d) measured; manipulated.