WEEK 6 DISCUSSION: CAUSAL REASONING

WEEK 6 DISCUSSION: CAUSAL REASONING

Required Resources
Read/review the following resources for this activity:

  • Textbook: Chapter 10
  • Lesson
  • Link (library article): Myopia and Ambient Lighting at Night
  • Link (library article): Myopia and Ambient Night-Time Lighting
  • Link (website): What Are Clinical Trials and Studies?
  • Minimum of 1 scholarly source

Initial Post Instructions
As the text points out, causal reasoning is used in clinical studies. As a professional in the health field, you will undoubtedly be referring to cause/effect studies for the rest of your professional life. In this discussion, you are asked to expand and deepen your understanding of clinical studies.

In 1999, a study on the causes of myopia appeared in the prestigious journal Nature (Quinn). The study received wide-spread publicity in leading newspapers, such as the New York Times, and on television outlets, such as CBS and CNN. Within a year, another article in Nature followed up the 1999 study (Zadnik). The studies had dramatically different findings.

Using what you have learned from the text, as well as any other sources you may find useful (including the websites in the Required Resources), analyze and evaluate the methodology of both studies and how methodology affected the differences in how the studies were reported.

Reportage of both studies can be found with an Internet search using all of the following terms: <Philadelphia myopia night lights>

Follow-Up Post Instructions
Respond to at least two peers or one peer and the instructor. Further the dialogue by providing more information and clarification.

Writing Requirements

  • Minimum of 3 posts (1 initial & 2 follow-up)
  • APA format for in-text citations and list of references
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