1 A study examines whether students who have been in a psych

1) A study examines whether students who have been in a psychology class score higher on an adjustment scale than the average person. Explain what a Type I and Type II error would be in this study, and what each would mean. Be sure to state your answer in terms of the variables of this particular study.

Solution

Type 1: Incorrectly rejecting a true null hypothesis,

Here, it means that you have incorrectly concluded that the students who have been in a psychology class DID score higher on an adjustment scale than the average person, when in fact, they DIDN\'T.

Type II: Incorrectly failing to reject a false null hypothesis.

Here, it means that you have incorrectly concluded that the students who have been in a psychology class DID NOT score higher on an adjustment scale than the average person, when in fact, they DID.