Multiple Choice
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
Correct Answer:
Verified
Q12: In a factorial design, the researcher may
Q13: Consider a 2 x 2 experiment design
Q14: A 2 x 2 x 2 design
Q15: A 2 x 3 x 4 factorial
Q16: In a factorial design in which the
Q18: A 2 x 2 x 2 factorial
Q19: A crossover interaction occurs in a 2
Q20: In order to confirm a research hypothesis
Q21: In comparison to one-way experiments, factorial experiments<br>A)
Q22: Factorial designs are advantageous because<br>A) random assignment