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Researchers Wanted to Provide Additional Support for a Causal Association

question 8

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Researchers wanted to provide additional support for a causal association between human papillomavirus (HPV) and oropharyngeal cancers.They performed an epidemiologic study of 100 patients with newly diagnosed oropharyngeal cancer and 200 control patients without cancer to evaluate associations between HPV infection and oropharyngeal cancer.[D'souza G,Kreimer AR,Viscidi R,et al.A study of human papillomavirus and oropharyngeal cancer.N Engl J Med.2007;356(19) :1944-1956.] What kind of study design is this?


Definitions:

Conventional Stage

A phase in moral development where individuals' behavior is guided by conforming to the societal expectations and rules.

Moral Reasoning

The thought process involved in determining right from wrong and making ethical decisions.

Social Contract

A theory in political philosophy suggesting that people's moral and political obligations are dependent upon a contract or agreement among them to form the society in which they live.

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