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MMLU / A study is being conducted to assess mesothelioma in shipyard workers. A large…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A study is being conducted to assess mesothelioma in shipyard workers. A large shipyard firm has provided the asbestos exposure records of all employees during the past 50 years. The health insurer for the workers has provided claims data that documents all chest x-rays and diagnoses of mesothelioma among current workers and retirees. The study enrolled shipyard workers who were diagnosed with mesothelioma and shipyard workers who were not diagnosed with mesothelioma. All subjects in the study had to have chest xrays. Which of the following is the best rationale for selecting a comparison group that had chest x-rays?

choices

  1. Address confounding
  2. Demonstrate causality
  3. Minimize ascertainment bias
  4. Reduce recall bias

subject

professional_medicine

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Source and history

task_id
27463349-06a5-5784-bc56-cf5f7b37f91b
task_key
all--test--27463349-06a5-5784-bc56-cf5f7b37f91b
task_revision_id
1
config / split
all / test

Official source

initial import