When specific comparisons have not been planned ahead of time, increases in experimentwise alpha that occur when many comparisons are made can be reduced by using which of the following?
A) Pairwise comparisons
B) Post hoc comparisons
C) Planned comparisons
D) Increases in experimentwise alpha cannot be reduced after the experiment has been run.
Correct Answer:
Verified
Q29: A scientist who decides to compare condition
Q30: Results of a study show that children
Q31: A post hoc comparison
A) compares means in
Q32: Differences on a dependent measure across the
Q33: A priori comparisons, comparing only means for
Q35: A mixed factorial design is one that
A)
Q36: Which of the following statements is true
Q37: A 2 x 2 x 2 factorial
Q38: Complex comparisons are usually made using
A) complex
Q39: Factorial designs are advantageous because
A) random assignment
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