To establish time order, which of the following must come first?
A) Covariation
B) Association
C) The dependent variable
D) The pretest
E) The independent variable

Question

Quizplus · Accepted Answer

To establish time order in an experiment or study, the independent variable must come first. This is because the independent variable is the one that is manipulated or changed to observe its effect on the dependent variable, thereby establishing a cause-and-effect relationship.

To Establish Time Order, Which of the Following Must Come