Epidemiology Exam 1

251 Questions | Total Attempts: 138

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Epidemiology Exam 1

Epidemiology Review for Midterm #1

Questions and Answers
  • 1. 
    Incidence of a disease in a population
  • 2. 
    Degree to which a measurement or an estimate based on measurements represents the true value of the attribute that is being measured
  • 3. 
  • 4. 
  • 5. 
    Rate of outcome after controlling for a variable(s) across the entire population or both groups of comparison
  • 6. 
    Subject to which an outcome is attributable (e.g. bacteria, virus, chemicals, etc)
  • 7. 
  • 8. 
    Finding an association when one does not exist; error of rejecting a true null hypothesis;
  • 9. 
  • 10. 
    Analysis of variance
  • 11. 
  • 12. 
    Systematic failure to represent equally all classes of cases or persons supposed to be represented in a sample
  • 13. 
    # of new cases in a time period divided by population at risk in the same period } x100defined as the number of people at risk who develop a certain disease divided by the total number of people at risk
  • 14. 
    Proportion used to calculate the attributable risk (often used synonymously with attributable risk)
  • 15. 
    Amount or proportion of disease incidence that can be attributed to a specific exposure
  • 16. 
    Used to obtain the probability of disease in a group of people with some characteristic of the basis of the overall rate of that disease and of the likelihood of that characteristic in healthy and diseased individuals
  • 17. 
    Form of selection bias with hospital patients
  • 18. 
    Error of failing to reject a false null hypothesis; not finding an association when one actually exists
  • 19. 
    Systematic error in design, conduct or analysis of a study that results in mistaken estimate of an exposure's effect on the risk of disease
  • 20. 
    Distribution in which there are two peaks
  • 21. 
    Criterion that an observed, presumably or putatively causal association fits previously existing biological or medical knowledge
  • 22. 
    Population born during a particular period and identified by period of birth so that the characteristics can be ascertained as it enters successive time and age periodsb
  • 23. 
    Keeping the observer(s) and/or subjects ignorant  of the group to which the subjects are being assigned
  • 24. 
    Person in the population or study group identified as having the particular disease, health disorder, or condition under investigation
  • 25. 
    Study in which cases are defined as those with the disease and controls are those without the disease; can study the significance between exposure & non-exposure from the two groups (this study begins with diseased and non-diseased people...current and past)