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Ashford 6: - Week 5 - Final Paper

 

Final Paper

For your Final Paper, you will apply the knowledge and skills acquired throughout the course to analyze and interpret a dataset containing health-related variables to answer health research questions.
 

Due to the current increase of diabetes in children, studying factors that affect its occurrence and evolution is very important. Obesity is one of the key factors affecting childhood diabetes and health practitioners frequently use the Body Mass Index (B.M.I.) to assess whether or not a child is obese. In the attache d Excel document, you will find data on the B.M.I., Fasting Blood Sugar Levels (F.B.S.), gender (Male or Female), and the clinic where this information was collected (clinic A, B, or C) for a group of children age 10-14.
 

The purpose of your study is to analyze any possible relationships among the given variables. There are three tabs at the bottom of the Excel file which represent different data set pages: “All Variables”, “B.M.I. of Boys and Girls”, and “F.B.S. by Clinic”. The “All Variables” page is formatted the way you would typically see this data displayed in current data analysis. The first column represents the subject’s I.D. number, the second column denotes gender (M/F), the third is B.M.I., and the last is their F.B.S level. Each row corresponds to a child in the dataset, with his/her corresponding characteristics. For example, the study participant with the I.D. number 10 is a boy (Gender=M), who was assessed at clinic B, has a B.M.I. of 28 and an F.B.S. of 92.
 

Any statistical analyses needed for this paper, including the corresponding Excel steps and procedures, are explained in your course text with the exception of providing descriptive statistics (frequencies) for nominal variables. Descriptive statistics procedures for continuous variables are included in Chapter 1 of your course text. Instructions and information on descriptive statistics (frequencies) for nominal variables are provided in the How to make a frequency distribution table for nominal data in Excelresource.  

Your Final Paper must contain the following: 

  1. Describe the study participants in terms of gender,      clinic where data was collected, B.M.I., and F.B.S. Present the      descriptive analyses for all the variables (with the exception of I.D. #).      Explain why each descriptive analysis was chosen. Use the Descriptive      Statistics option in Excel for continuous variables. Use appropriate      charts. Utilize the Excel pivot table/pivot chart and the How to make a frequency distribution table for nominal data in      Excelinstructions for nominal      variables.  Interpret your results. 
  2. Assess how B.M.I. varies by gender. Use the tab “B.M.I.      of Boys and Girls” in this Excel document.       These are the same study subjects described in the “All Variables” tab,      but the data on gender and B.M.I. is set up in a way that will facilitate      running the statistical analysis to assess whether there is a difference      between the B.M.I. of boys and girls. What test will you use? What does      the test reveal?   
  3. Analyze F.B.S. by clinic. There are three clinics (A,      B, C) and data is ready for your analysis in the “F.B.S. by Clinic” tab of      this Excel document.       What statistical analysis is most appropriate? Why? What do the results      indicate?
  4. Correlate F.B.S. with B.M.I. What correlation      coefficient will you use? Why? Report the correlation coefficient and      explain whether this is a statistically significant correlation. Explain      what it means for two variables to have a statistically significant      correlation. The steps for running a correlation in Excel are described in      Section 8.4 of your course text.  
  5. Run a simple linear regression predicting F.B.S. from      B.M.I. Report your results. Does F.B.S. increase or decrease with B.M.I.?      What components of the output do you read and interpret to answer this      question? Write the regression equation and include it in your paper. The      steps for running a linear regression in Excel are described in Section      9.3 of your course text.  
  6. What analysis would you employ to determine whether      boys and girls were assessed in similar proportions in each of the three      clinics? Explain and justify your choice. You do not have to run this      analysis; just identify the one you would choose.   
  7. Multiple regression is a form of multivariate analysis      and constitutes a way to accommodate multiple predictors of one dependent      variable, considered all at the same time. It is used commonly in health      research as a control for other variables when researching the effect of      one variable of interest. It is also frequently used to explain more      variance in the dependent variable. What additional variables would you      want to control when predicting F.B.S. from B.M.I.? These can be variables      in your dataset or other variables you think are relevant that are not in      your data set. Identify at least three control variables. Why did you      select these three in particular?   
  8. State your conclusions and formulate a discussion of      your findings. Would you like to know anything else about this participant      sample? What further research would you do? Why? Refer to glucose levels,      diabetes, other related variables, and available research on the topic of      diabetes in children as well as the analyses that you performed. Support      your response with at least two to three scholarly, peer-reviewed      articles.      

Writing the Final Paper

The Final Paper:

  1. Must thoroughly and completely address all questions      and requirements listed above.  Graphs, tables, outputs, and      equations should be included.  They must be clearly titled and      explained.  To show your outputs, simply copy and paste your results      from Excel into the assignment Word document.
  2. Must be a minimum of eight pages in length (excluding      title and reference pages).  Your assignment will be assessed based      on how well you have answered the components of each of the eight      questions above.
  3. Must be formatted according to APA style as outlined in      the Ashford Writing Center.
  4. Must include a title page with the following:
    1. Title of paper
    2. Student’s name
    3. Course name and number
    4. Instructor’s name
    5. Date submitted
  5. Must address the topics with critical thought.
  6. Must use at least two to three scholarly, peer-reviewed,      articles which are required to answer Question #8.
  7. Must document all sources in APA style and include a      separate reference page, formatted according to APA style as outlined in      the Ashford Writing Center.

 Carefully review the Grading Rubricfor the criteria that will be used to evaluate your assignment.

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