Assignment Task :
The Health and Safety Department concerned about the possible association between exposure to stainless steel welding fumes and respiratory symptoms amongst welders. They have asked you to undertake a study to investigate this apparent association. Answer the following questions about the type of study you would conduct.
- Literature review – what general principles would you apply to critically appraise the evidence presented in published research studies? Use examples where appropriate to illustrate your answer. Your examples can be generic or specific to the above research topic.
- Study design – what are the aims and objectives of your study? What type of epidemiological study design would you choose and why? Your answer should include a discussion of whether you are studying incidence or prevalence and the advantages and disadvantages of your chosen study design to address your research question.
- Methods – Describe the methods of your study. This should include how you would define and select the population(s) to include, how you would measure the outcome and the exposure, and a description of any other data you would need to collect.
- Discussion – What are the potential sources of bias in your study, how would they affect your study and what steps could you take in future studies to minimise them? What are the potential weaknesses and limitations of your study
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