Instructions:For this discussion we will concentrate on more rigorous confirmation of causal hypotheses. Find an example (or a summary) of a randomized experiment, controlled experiment, prospective observational study, or retrospective observational study. Good sources are news items about such studies. Briefly describe the study, and in your account, identify the causal hypothesis the study has claimed to have supported, as likely true, as well as the comparison groups.

Then think critically about the study: state what you think are possible uncontrolled confounding variables that, if true, could call into question the conclusion of the study.

Create a 1 page essay in APA format. Use 2 scholarly sources for references. Be sure to use in-text citations.

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