A researcher wants to conduct an animal learning experiment using 40 participants in a between subjects design. The researcher decides to randomly assign the participants to the four different conditions so that
a. participants from the same litter will not be tested together.
b. the data will be easier to analyze than if participants were assigned on any other basis.
c. the results will be more generalizable.
d. the groups will be equivalent prior to the manipulation of the independent variable.
Question 2
In a 3 x 4 factorial design there are ____ main effect(s) and ____ interaction(s) possible.
a. three; four
b. two; three
c. two; one
d. one; two
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Schematic illustration of Myers and Sperry’s (1953) groundbreaking split-brain experiment. There ...