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Old 01-25-2013
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Stats Study Bias

A study is performed to assess the relationship of dietary cholesterol and myocardial infarction. Participants are assigned to either an experimental group, which eats a low-cholesterol diet, or a control group, which eats a standard American diet. Dietary analysis later reveals that the group assigned a low-cholesterol diet ended up also consuming less fat than the control group. In analyzing the relationship between dietary cholesterol and myocardial infarction, the amount of dietary fat consumed represents what type of study characteristic?

(A) Confounding variable
(B) Enrollment bias
(C) Measurement bias
(D) Recall bias
(E) Self-selection bias
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Old 01-25-2013
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(A) Confounding variable
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Old 01-25-2013
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A. CONFOUNDING variable
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Old 01-26-2013
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(A) Confounding variable
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Old 01-26-2013
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Yes it is (A) Confounding variable
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