When you look at the 3 articles under the Test your knowledge tab, ask yourself the following questions before making your decision
Click on each article link and decide whether the article you are looking at is scholarly or not. You will get to a main page first, from which you need to click on the FULL TEXT link to article that you will see on the left side.
Use the questions under the tab "Questions to ask yourself" as a guideline to help you make your decision. After you have looked at all three articles, click on the radio button you think is the correct one and then click submit.