In a study of simulated juror decision making, Braden-Maguire, Sigal, and Perrino (2005) investigated the type of verdict assigned by study participants after they read a 12-page summary of a case involving a battered woman who had shot and killed her husband.Of the 80 participants, 27 assigned a verdict of guilty, 49 a verdict of not guilty by reason of self-defense, and 4 a verdict of not guilty by reason of insanity.What are the degrees of freedom associated with this chi square?
A) 2
B) 3
C) 77
D) 79

Question

Quizplus · Accepted Answer

The degrees of freedom for a chi-square test in this context are calculated as the number of categories minus one. Since there are three verdict categories (guilty, not guilty by reason of self-defense, and not guilty by reason of insanity), the degrees of freedom are 3 - 1 = 2.

In a Study of Simulated Juror Decision Making, Braden-Maguire, Sigal