By convention, it has been determined that alpha levels should be set no larger than ____.
A) .50
B) .10
C) .05
D) .01

Question

Quizplus · Accepted Answer

A commonly used alpha level in statistical significance testing is .05, meaning there is a 5% chance of falsely rejecting the null hypothesis. This level provides a balance between minimizing the risk of type I errors (false positives) and maximizing the power to detect real effects. Therefore, C is the best choice as it is the most commonly used and widely accepted convention for alpha levels.

By Convention, It Has Been Determined That Alpha Levels Should