As researchers, we usually set alpha at .05 because ______.
A) this allows us to remove all error from our statistical test
B) this sets our Type I error rate at 5%
C) this sets our Type II error rate at 95%
D) this sets our Type I error rate at 95%

Question

Quizplus · Accepted Answer

Setting alpha at .05 means that we are willing to accept a 5% chance of making a Type I error (rejecting a true null hypothesis). This is a common and widely accepted level of significance in many fields of research.

As Researchers, We Usually Set Alpha at