After analyzing her empirical data, Susan was able to reject her original hull hypothesis but later she found out that it had been true. What type of mistake had she made when she rejected her null hypothesis?
A) Alpha level error
B) Type II error
C) Type I error
D) Effect size error

Question

Quizplus · Accepted Answer

Susan made a Type I error, which occurs when the null hypothesis is incorrectly rejected when it is actually true.

After Analyzing Her Empirical Data, Susan Was Able to Reject