To investigate biases against women in personnel decisions, psychologists performed a randomized experiment on 50 male bank supervisors attending a management institute who volunteered for the study. The supervisors were asked to make a decision on whether to promote a hypothetical applicant based on a personnel file. For 26 of them, the application file described a female candidate; for the others it described a male. The files were identical in all other respects. Results on the promotion decisions for the two groups are shown below.
-What is the alternative hypothesis, in words?

Question

To investigate biases against women in personnel decisions, psychologists performed a randomized experiment on 50 male bank supervisors attending a management institute who volunteered for the study. The supervisors were asked to make a decision on whether to promote a hypothetical applicant based on a personnel file. For 26 of them, the application file described a female candidate; for the others it described a male. The files were identical in all other respects. Results on the promotion decisions for the two groups are shown below. 
-What is the alternative hypothesis, in words?

Quizplus · Accepted Answer

The alternative hypothesis is that there is a bias against women in personnel decisions. This is the opposite of the null hypothesis, which is that there is no bias against women in personnel decisions.

To Investigate Biases Against Women in Personnel Decisions, Psychologists Performed