For Questions Use the Following Narrative

question 16

Essay

For Questions use the following narrative
Narrative: Aspirin and polyps
A study done by the Ohio State University Medical Center examined whether or not taking an aspirin a day would help colon cancer patients reduce the chance of getting subsequent colon polyps.635 patients with colon cancer participated; 317 of them were randomly assigned to the aspirin group, and the other 318 patients were assigned to a placebo (non-aspirin) group.54 patients in the aspirin group developed subsequent polyps, compared to 86 patients in the non-aspirin group.Many confounding variables were controlled for in this well-designed randomized experiment.
-{Aspirin and polyps narrative} What is the increased risk of developing polyps for colon cancer patients who don't take an aspirin a day? Interpret your answer.

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Definitions:

Independent Variables

Factors or conditions that are manipulated or controlled by researchers to determine their effects on dependent variables.

Case History

A detailed account of a person's life and psychological problems, used for analysis or study.

Correlational Study

A research method that examines the relationship between two or more variables without manipulating them.

Demand Characteristics

Subtle cues or signals in an experimental setting that communicate to the participants how they are expected to behave.