Researchers designed an observational study to investigate the effects of hormone replacement therapy investigating whether hormone replacements caused heart disease or cancer. In this experiment, which would NOT be a possible confounding variable? a) History of breast cancer in the family b) The use of birth control pills c) The wealth of women (wealthier more able to afford health insurance) d) Whether women were put into a group taking the medication vs. a group taking a placebo
Researchers designed an observational study to investigate the effects of hormone replacement therapy investigating whether hormone replacements caused heart disease or cancer. In this experiment, which would NOT be a possible confounding variable? a) History of breast cancer in the family b) The use of birth control pills c) The wealth of women (wealthier more able to afford health insurance) d) Whether women were put into a group taking the medication vs. a group taking a placebo
Chapter11: The Great Communicator
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Problem 1M
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Researchers designed an observational study to investigate the effects of hormone replacement
therapy investigating whether hormone replacements caused heart disease or cancer. In this
experiment, which would NOT be a possible confounding variable?
a) History of breast cancer in the family b) The use of birth control pills c) The wealth of women (wealthier more able to afford health insurance)
d) Whether women were put into a group taking the medication vs. a group taking a placebo
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Step 1
Hormone replacement theory is defined as a technique used to treats the female menopause symptoms.
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