Factorial designs are used when
A) only one independent variable is included in the study.
B) more than one independent variable is included, and interactions as well as main effects are expected.
C) only main effects are expected.
D) there is no possibility of extraneous variables.
Ans: B) more than one independent variable is included, and interactions as well as main effects are expected.
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Which statement most accurately reflects the reality of human rights?
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