What is the primary distinction between an observational and an experimental analytic epidemiology study? (a) researchers randomly allocate study participants to exposure or non-exposure group(b) its focus is to identify and quantify causal relationship between an exposure and an outcome(c) measures of association is rr or rd researchers decide the level of exposure among participants(d) researchers decide the level of exposure among participants(e) it require follow up of participants to ascertain the occurrence of disease of interest
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Health, 22.06.2019 19:30, agm9801
At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. which skill would be most valuable to you take the necessary steps to learn what you need to know to protect yourself? a. self-direction b. critical thinking c. problem solving d. effective communication select the best answer from the choices provided.
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Health, 23.06.2019 01:10, shukriabdisabrie
During a formal discussion in his science class, kai will be speaking about the important of exercise. what is the best advice he can follow to be a prepared speaker
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What is the primary distinction between an observational and an experimental analytic epidemiology s...
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