Margie sets alpha to .05 whereas Charles sets alpha to .10. Which of the following is more likely to occur to Margie than to Charles?
A) She may miss a relationship that is really there.
B) She may overestimate her effect size.
C) She may find too many statistically significant relationships.
D) She may underestimate her effect size.

Question

Quizplus · Accepted Answer

Setting a lower alpha level (like Margie's .05 compared to Charles's .10) increases the risk of Type II errors, meaning Margie is more likely to fail to detect a true effect or relationship when it actually exists.

Margie Sets Alpha to