To Better Understand the Risk Factors for the High Prevalence

question 8

Multiple Choice

To better understand the risk factors for the high prevalence of asthma in her school, the school nurse gets approval to send out an anonymous survey to the parents. She is seeking preliminary data on how many of the students who may have asthma are exposed to secondary smoke. Questions for the parents include information about their children's history of asthma and whether anyone living in the home smokes. Which study design best describes her study?

• A)Case-control study
• B)Cross-sectional study
• C)Cohort study
• D)Outbreak investigation

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Definitions:

Required Rate

The minimum return that investors demand for investing in a specific asset or undertaking a project.

Risk Premium

The additional return an investor expects to receive from an investment by taking on a higher level of risk.

Risk-Free Interest

Risk-free interest is the theoretical rate of return of an investment with zero risk, serving as a benchmark for evaluating the risk and return of other investments.

Negative Beta Stocks

These are stocks that tend to move inversely to the overall stock market; when the market rises, these stocks' prices may fall, and vice versa.