I'd have to cross out B.) and C.), which leaves you with A.) and D.)
I'd have to go with D.) Pitiful
Answer:
B. A cross-sectional study.
Explanation:
Observational studies include the observation of the effects of risk factors, diagnostic examinations, treatment or other intervention by the researchers in order to measure certain outcomes.
A cross-sectional study also known as transverse study or prevalence study is a sub-branch of observational study that involves the analysis of data(cross-sectional data) from the population or a representative subset at a precise point of time. Thus, <em>the problem statement provided here illustrates the cross-sectional study as it observes and analyzes cross-sectional data. </em>
Answer:
the official 2008 Beijing Web site
Explanation:
I chose this answer because the official Olympics would know everything about it compared to your classmates or a magazine or blogs. The Olympics website would tell her all about it.
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