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MMLU / A case-control study is conducted to assess the association between alcohol…

Problem

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

question

A case-control study is conducted to assess the association between alcohol consumption and lung cancer patients with lung cancer and 100 controls are asked about their past alcohol consumption. According to the study results, alcohol consumption is strongly associated with lung cancer (OR = 2.5). The researchers then divide the study subjects into two groups: smokers and non-smokers. Subsequent statistical analysis does not reveal any association between alcohol consumption and lung cancer within either group. The scenario described is an example of which of the following?

choices

  1. Observer bias
  2. Confounding
  3. Placebo effect
  4. Nonresponse bias

subject

virology

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Source and history

task_id
49bb9177-abf2-56d7-9f49-8d6151c4b0c5
task_key
all--test--49bb9177-abf2-56d7-9f49-8d6151c4b0c5
task_revision_id
1
config / split
all / test

Official source

initial import