Compare independent variables, dependent variables, and extraneous variables. Describe two ways that researchers attempt to control extraneous variables. Support your answer with peer-reviewed articles. COURSE MATERIAL SOURCES; [YOU DO NOT HAVE TO USE ALL]: Read Chapter 4 in Nursing Research: Understanding Methods for Best Practice. URL: https://www.gcumedia.com/digital-resources/grand-canyon-university/2018/nursing-research_understanding-methods-for-best-practice_1e.php Read “Evidence-Based Practice,” located on the Nurse.com website. URL: https://www.nurse.com/evidence-based-practice Read “Evidence-Based Practice for Nursing: Levels of Evidence,” located on the Northern Virginia Community College website. URL: https://libguides.nvcc.edu/c.php?g=361218&p=2439383 Read “Fundamentals of Statistics 1: Basic Concepts: Nominal, Ordinal, Interval and Ratio,” located on the Usable Stats website. URL: http://www.usablestats.com/lessons/noir Read “Nominal, Ordinal, Interval Ration: Examples,” located on the Statistics How To website. URL: https://www.statisticshowto.datasciencecentral.com/nominal-ordinal-interval-ratio/ Read “The Impact of Evidence-Based Practice in Nursing and the Next Big Ideas,” by Stevens, from The Online Journal of Issues in Nursing (2013). URL: http://ojin.nursingworld.org/MainMenuCategories/ANAMarketplace/ANAPeriodicals/OJIN/TableofContents/Vol-18-2013/No2-May-2013/Impact-of-Evidence-Based-Practice.html Read “Translation in Research Practice: An Introduction,” by Titler, from The Online Journal of Issues in Nursing (2018). URL: http://ojin.nursingworld.org/MainMenuCategories/ANAMarketplace/ANAPeriodicals/OJIN/TableofContents/Vol-23-2018/No2-May-2018/Translational-Research-in-Practice.html Chapter 18 PowerPoint: Using Research in Evidence-Based Nursing [Provided in Materials]