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 independent variable in this experiment?
A) the order of the items
B) the test scores
C) the difficulty of the items on the test
D) the method used to assign subjects to groups

Question

Quizplus · Accepted Answer

The independent variable is the variable that is being manipulated, which in this case is the order of the test items.

A Psychology Instructor Studying the Effects of the Order of Test