Read the attached article and answe the following questions.
1-What design did this study use? (Experimental or Correlational). Explain how you know (this should be fairly apparent from the title of the article, so please also explain why this is an experimental study).
2-What is/are independent variable(s)? (Specify the levels). Note: there may be more than one IV, or there may be just one. Try to spot them all!
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