A psychology instructor studying the effects of the order of test items on test scores gave half the class a test in which the item order reflected the order in the textbook. The other half received the same questions in random order. What was the dependent variable in this experiment?
A) the order of the items
B) the method used to assign subjects to groups
C) the difficulty of the items on the test
D) scores on the test

Question

Quizplus · Accepted Answer

The dependent variable is the variable that is being measured or tested in the experiment. In this case, the dependent variable is the scores on the test. The independent variable is the order of the test items. The method used to assign subjects to groups and the difficulty of the items are not the variables being tested or measured.

A Psychology Instructor Studying the Effects of the Order of Test