Which of the following explains why randomized controlled trials are often “double blind”? To allow for genuine observations, since no researcher knows which participants are receiving the treatment and which are not. To decrease bias by ensuring both the participants and researchers do not know who is receiving the treatment and who is not. To increase bias by ensuring both the participants and researchers do not know who is receiving the treatment and who is not. To allow for subjectivity, as the participants who believe they are all taking the treatment will report that they are feeling better or worse.
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Chemistry, 22.06.2019 09:00
The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.
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Chemistry, 23.06.2019 00:30
Fred is studying a substance that is made out of only one element. this means that
Answers: 1
Which of the following explains why randomized controlled trials are often “double blind”? To allow...
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