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VladimirAG [237]
3 years ago
12

Controls are needed in a case-control study to evaluate whether the frequency of a factor or past exposure among the cases is di

fferent from that among comparable persons who do not have the disease under investigation True False
Health
1 answer:
GalinKa [24]3 years ago
7 0

Answer:

True

Explanation:

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<em>Hope this helps! :)</em>

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Victor is attending a CPR class, and he watches as the instructor performs chest compressions on a mannequin. He watches for sev
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Answer: Observational Learning

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The lungs is your answer :)

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BMR...
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