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             The Reflection sections of each lesson will challenge you to apply 
              the concepts you're learning about scientific writing and the scientific 
              process to your own life.  
            You're probably familiar with popular magazines on topics related 
              to health, fitness, and diet. Through this course, you'll also be 
              introduced to a number of primary sources. It is important to understand 
              the differences between primary and secondary literature and be 
              able to distinguish between these two sources.  
            Primary literature refers to the reporting of original research. 
              In scientific disciplines original research primarily takes the 
              form of articles published in scholarly journals. When looking for 
              a primary research article, look for sections labeled "Methods" 
              and "Results." These are articles that report data. 
             
            Secondary literature refers to materials that synthesize, 
              repackage, or reference the primary research. Examples of secondary 
              literature include articles published in popular periodicals 
              such as Scientific American and news magazines such as Newsweek. 
              Scholarly literature reviews, indexes, and reference books are also 
              examples of secondary literature. 
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