In a simple experiment, treat two groups exactly the same except for one thing and then measure the individuals in both groups on some scale. Treating the two groups differently on the one thing constitutes
A) the independent variable
B) the dependent variable
C) an extraneous variable
D) none of the other alternatives are correct.

Question

Quizplus · Accepted Answer

The independent variable is the one thing that is intentionally changed or manipulated in an experiment to observe its effect on the dependent variable. In this scenario, treating the two groups differently on one aspect is manipulating the independent variable.

In a Simple Experiment, Treat Two Groups Exactly the Same