theledfords855
11.02.2020 •
Social Studies
What are the advantages and disadvantages randomized controlled trial ?
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Ответ:
Randomized controlled trial is a form of research in which people are selected randomly to compare the outcomes of two or more clinical interventions.
ADVANTAGES OF RANDOMIZED CONTROLLED TRIAL
1)It does not give room to bias treatment as individuals are selected randomly.
2)It aids blinding of identity of treatment from investigators,participants and assessors.
3)One treatment is compared to another to establish best treatment approach.
DISADVANTAGES OF RANDOMIZED CONTROLLED DATA
1)Clinical trial that test for efficacy may not be generally applicable.
2) Results gotten may not be compared to real life situation.
3)It is expensive to run and it also wasted time to conduct .
Explanation:
Ответ:
Of the African slaves transported to the Americas, males outnumbered females by a ratio of 2:1. This means most of those taken into slavery were African men between the ages of 15 and 35. These years were the most productive in a man’s life. The slave traders also took into slavery 15-20 percent of the males under 15 years of age
Explanation: