Older studies found that menopausal women taking hormone replacement were health
ID: 3203877 • Letter: O
Question
Older studies found that menopausal women taking hormone replacement were healthier than other women their age not taking the hormones. What was a major limitation on this study?
Women were not randomly assigned to groups.
The results were based on small groups of women.
The study had too many independent variables.
The research did not include men.
Women were not randomly assigned to groups.
The results were based on small groups of women.
The study had too many independent variables.
The research did not include men.
Explanation / Answer
A is the right answer
D. is not the problem becuase the experiment is on women
C doesn't mean much when the only diff was taking of the pills by a certain group
B is not the problem.
A brings a bias in the data. And therefore a non-random allignment will put our results not reliable.
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