Mathematics, 17.04.2021 22:10 maren17
In the hormone replacement studies of menopausal women, doctors rejected the results of the observational study after conducting the experiment. In the experiment they controlled the effects of confounding variables that had probably influenced the results in the observational study. In the experiment the doctors used random assignment to treatment groups, a placebo, and double blinding to control the effects of confounding variables. Which of the following are potential confounding variables? Check all that apply.
A. whether a woman took hormones
B. whether a woman in the study had a heart attack
C. wealth
D. access to health care
Answers: 1
Mathematics, 21.06.2019 16:40
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Mathematics, 21.06.2019 19:30
I'm confused on this could anyone me and show me what i need to do to solve it.
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Mathematics, 22.06.2019 01:00
The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. if the distance of the stairs measures 22 feet and the ground distance measures 11 feet, how high is the entrance to the plane from the ground? which diagram represents this scenario? / 22ft © 22ft 11 ft 11 ft 22 it
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In the hormone replacement studies of menopausal women, doctors rejected the results of the observat...
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