A researcher conducts two studies.Each study was a one-sample z test.Both studies placed the rejection region in both tails and measured the same sample mean.The beta level in Study 1 was larger than the beta level used in Study 2.Which study is associated with greater power to detect an effect?
A) Study 1
B) Study 2
C) They are associated with the same level of power.

Question

Quizplus · Accepted Answer

The larger beta level in Study 1 indicates a higher probability of a Type II error, which means that there is a lower probability of correctly detecting an effect. Therefore, Study 2 with the smaller beta level is associated with greater power to detect an effect.

A Researcher Conducts Two Studies