Two groups of men have prostate cancer (groups A and B). These groups are the same size, and are controlled?
for age and ethnicity. Men in both groups are being treating with a drug called Mitozantrone (all men receive the same dosage). The men in group A are also being treated with radiation. Every month, the size of the primary tumor is evaluated in these men. In the above scenario, what are the controlled variables? Mark ALL correct answers. a. age b. all men in the study have prostate cancer c. ethnicity d. radiation e. the size of the primary tumor f. dose of Mitozantrone
Biology - 2 Answers
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1 :
The controlled variables are A, B, C, and F. These are the traits that are constant between the two groups.
2 :
a b c f
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