PUBH6005: Critical evaluation of Epidemiological Studies - Critical Appraisal Essay Writing Assessment Answer

Subject Code: PUBH6005 Internal Code: 1AHCEH

Critical Appraisal Essay Writing Assessment Answer

TASK: 1. Assess levels of evidence and make recommendations 2. Interpret data arising from surveillance and research studies, including rates and ratios 3. Understand the difference between association and causation, statistical and public health significance 4. Critically evaluate epidemiological studies, including potential for bias, confounding and chance errors. Part A 1. Search the library database to find three studies that answer your research question. All three studies must be of different study designs. For instance, you could include observational studies, cross-sectional, case-control, and cohort as well as RCTs. These studies do not have to prove their hypothesis or agree with each other. Please note that marks will be deducted if all identified papers are of similar study. 2. Critically appraise all three articles you found using the CASP checklist. Make sure you use the relevant CASP checklist corresponding with your study design. Please note that you will need to make 3 different tables for the critical appraisal of the three different study design papers. 3. Submit the Part A of the three tables for feedback before writing up Part B (essay). Part B Base on the feedback in Part A, you should write an essay on the three articles using the following headings: Introduction: introduces the topic, outlines background information to your research question and finishes with the research question. This sets the context for the rest of the assignment. You may refer to any published articles as they would have the same style of scientific writing. Citation for all sources used (in-text and in the reference list). Methodology: explain how you found the three articles that you critically reviewed, including the databases you used and the search strategy/keywords used. You may use a systematic review as an example to write this part. Also mention which critical appraisal tools you used. Results: answer directly to all the relevant CASP checklist questions. You MUST present a table. Additionally, create a column to include ‘justification’ to your decision of each question, i.e. Yes, No, Unclear. Discussion: discuss all three papers of different study designs in regards to bias, chance and confounding factors. All answers of ‘YES, NO and UNCLEAR’ in your result MUST be accompanied by an explanation on how you can avoid pitfalls (bias, confounding factor), improve on the current methodology, or to further support by comparing and contrasting other approaches to an issue. Provide suggestions or solutions for future research of your research question/topic. Conclusion: provide one concluding paragraph based on what you have discussed.

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