An interaction effect in a two-way factorial design
A) is the effect of one variable that divides the groups, ignoring the influence of the other variable that divides the groups.
B) occurs when the influence of one variable that divides the groups changes according to the level of the other variable that divides the groups.
C) almost never occurs when more than one variable that divides the groups is considered at a time.
D) is rare in a well-designed study, and usually indicates some error in computation.
Question 2
If an experimenter wants to compare a correlation of .3 to a correlation of .2, the actual numbers that should be compared are __________ and __________. (Give numbers.)
Fill in the blanks with correct word
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