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Study Design Assignment Instructions: Complete the study type matrices below using the previous content pages. Then read the following scenarios and decide which epidemiological study design is described for each and justify your findings. Description Pros Cons Observational Experimental Observational Study Types: Study Type: Description: Sub-Types: Pros: Cons: Other Details: Example: cohort studies cross-sectional studies case-control studies ecological studies 1. A study that examines the death rates from breast cancer in each of the 50 U.S. states in relation to the average percentage of women in each state undergoing annual mammograms. 2. A study that compares the prevalence of knee pain among current members of the National Football League (NFL) with that of current members of the National Basketball Association (NBA). 3. A study that evaluates the relationship between lung cancer and a woman’s history of smoking. The investigator selects women with lung cancer and an age-matched sample of women who live in the same neighborhoods as the women with lung cancer. Study subjects are interviewed to determine if they smoke or have smoked in the past. 4. A study that evaluates two treatments for ovarian cancer. Women with stage 1 ovarian cancer are randomized to receive either oophorectomy alone or oophorectomy with
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