Problem 8 BSC
Consider the Source. determine whether the given source has the potential to create a bias in a statistical study.
Chocolate An article in Journal of Nutrition (Vol. 130, No. 8) noted that chocolate is rich in flavonoids. The article notes that “regular consumption of foods rich in flavonoids may reduce the risk of coronary heart disease.” The study received funding from Mars, Inc., the candy company, and the Chocolate Manufacturers Association.
Bias is defined as any tendency which prevents unprejudiced consideration of a question. In research, bias occurs when “systematic error introduced into sampling or testing by selecting or encouraging one outcome or answer over others”. Hence the given source may have a potential to create bias as it can occur at any phase of research, including study design or data collection, as well as in the process of data analysis and publication. Data collection methods may include questionnaires, structured interviews, physical exam, laboratory or imaging data, or medical chart review. Hence errors in any of these may result in bias.
This given source has the potential to create a bias in a statistical because the study received funding from Mars, Inc., the candy company, and the Chocolate Manufacturers Association.