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Social Studies, 11.07.2019 22:30, sleepy68
Adouble-blind study is one in which neither the researchers nor the subjects know who is receiving the real treatment and who is receiving the placebo. why are studies designed in this way?
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The purpose of laws were to restrict the rights of african americans who lived in southern states. a) "jim crow" b) "civil rights" c) "anti prohibition" d) "reconstruction acts"
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