Multiple Choice
The main concern with lowering the probability of making a type II error is that it ______.
A) increases the probability of making a type I error
B) decreases the probability of making a type II error
C) changes the effect size
D) decreases the likelihood of finding effects when they in fact do not exist
Correct Answer:
Verified
Correct Answer:
Verified
Q8: An example of a Type I error
Q9: Within a college course, a _ error
Q10: Changing alpha (α) from .05 to .01
Q11: When the within-group variability increases the value
Q12: According to Cohen, an r<sup>2</sup> effect size
Q14: Holding all else constant, increasing sample size
Q15: Calculate the r<sup>2</sup> statistic for t =
Q16: Lowering alpha from α = .05 to
Q17: The concept of statistical power relates most
Q18: The r squared (r<sup>2</sup>) statistic may be