If participants in the experiment group of a drug treatment study are much younger than participants in the control group, the age of the research participants is a(n)

Question

Quizplus · Accepted Answer

The age of research participants is a confounding variable because it could potentially affect the outcome of the study, but it is not the variable being manipulated (independent variable) or measured (dependent variable). The age difference between the two groups could lead to differences in how they respond to the drug treatment and therefore confound the results of the study.

If Participants in the Experiment Group of a Drug Treatment