Tom is an undergraduate psychology major.He is conducting his first experiment and wants to know when he should determine the alpha level.What would you recommend to Tom?
A)Tom, the alpha level should be determined by your teacher.
B)Tom, the alpha level should be set prior to the experiment.
C)Tom, the alpha level should be set after you have collected data and examined the means.
D)Tom, the field of psychology determines the alpha level for all experiments.

Question

Quizplus · Accepted Answer

The alpha level should be set prior to conducting the experiment. This is because the alpha level determines the acceptable level of risk for making a Type I error (rejecting the null hypothesis when it is actually true). It is important to determine the alpha level before collecting data to prevent any chances of bias towards rejecting the null hypothesis.

Tom Is an Undergraduate Psychology Major