A researcher conducts two studies on the effectiveness of a peer mentoring program.Self-evaluation ratings among participants before,during,and after the program were measured in both studies.In Study 1,12 participants were observed,and in Study 2,16 participants were observed.If F_obt = 3.42 in both studies,then in which study will the decision be to reject the null hypothesis at a .05 level of significance? A) Study 1 B) Study 2 C) both D) none

Question

Quizplus · Accepted Answer

Study 2 has a larger sample size, which generally provides more power to detect an effect. With the same F-value, Study 2 is more likely to reject the null hypothesis at the .05 level of significance.

A Researcher Conducts Two Studies on the Effectiveness of a Peer