A main effect of an independent variable in a factorial design is defined as the _____
a. effect of one independent variable subtracted from the grand mean
b. difference between the main effect means for factor A and those for factor B
c. sum of main effect means for factors A and B
d. effect of one independent variable averaged across levels of the other independent
variable
D
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Participants in one study rated fictional food additives that were more difficult to pronounce as more hazardous to health. These results demonstrate that people
a. tend to fear things that sound unfamiliar. b. prefer to eat things that they have heard of. c. underestimate their own fears and anxieties. d. are unlikely to eat something that they can't pronounce.
Summarize the various theories of hypnosis
What will be an ideal response?
A completely randomized design is:
a. a between-subjects design. b. a within-subjects design. c. a correlational design. d. highly susceptible to low interrater reliability.
At various times in history, in an attempt to explain problematic, irrational behavior, humans have focused on supernatural causes that include
A. witchcraft. B. demons and evil spirits. C. the moon and stars. D. all of these are correct