A principal comments to the school nurse that it seems there are a lot more problems with asthma among the students than there were before the school was remodeled a couple of years ago.
The nurse investigates the principal's observation by reviewing all the school records to determine visits to the health office because of asthma by week and month for the past 5 years. Which of the following best describes the type of study the nurse is conducting?
a. Descriptive epidemiological study
b. Ecological study
c. Prospective cohort study
d. Retrospective cohort study
Question 2
A teacher recommends that surveys to obtain data on drug use be given to high school students when they meet for various school organizations. Which of the following best describes why the nurse would reject this suggestion?
a. This method of data collection would result in classification bias.
b. This method of data collection would result in confounding bias.
c. This method of data collection would result in personal bias.
d. This method of data collection would result in selection bias.
Bronchodilators for Asthma
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