question archive An analysis of 11 individual studies attempted to determine if there is a conclusive link between vasectomies and the incidence of prostate cancer
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An analysis of 11 individual studies attempted to determine if there is a conclusive link between vasectomies and the incidence of prostate cancer.
What type of study is this and what are the variables of interest?
Choose the correct answer below.
A. Observational study. The variable of interest is whether the subject developed prostate cancer.
B. Meta-analysis. The variable of interest is whether the subject developed prostate cancer.
C. Observational study. The variable of interest is whether the subject had a vasectomy.
D. Meta-analysis. The variable of interest is whether the subject had a vasectomy.
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