An educational psychologist is interested in determining whether attitudes toward school change with age.She randomly selects 30 seventh-graders,30 ninth-graders,and 30 eleventh-graders and administers a "Do you like school?" test.In terms of ANOVA symbols,what is the value of N in the experiment?
A)3
B)90
C)30
D)1

Question

Quizplus · Accepted Answer

The value of N is the total number of participants in the experiment, which is equal to the sum of participants in each group. In this case, N = 30+30+30 = 90. Therefore, the correct answer is B.

An Educational Psychologist Is Interested in Determining Whether Attitudes Toward