10595001
Description
Flashcards by Martha Polovich, updated more than 1 year ago
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Created by Martha Polovich
almost 7 years ago
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| Question | Answer |
| Bias | To under- or over-estimate a relationship between an exposure and an outcome |
| Confounding | A relationship between an exposure and outcome is best explained by a third variable |
| Cohort Study | Compares disease incidence over time between groups that differ by exposure |
| Case Control Study | Compares prevalence of a history of exposure in individuals with and without a disease |
| Ecological Study | Examines exposure-disease associations among groups of people |
| Ecological Fallacy | Association at aggregate level may not reflect association at individual level |
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