Mathematics, 10.03.2020 09:01 zaleemawhite

When a studie is designed so that neither the subjects nor the experimenters known which subjects are in the treatment group and which ones are in the control group, the study is called a experiment. A) double-blind B) placebo-effect C) biased D) controle

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When a studie is designed so that neither the subjects nor the experimenters known which subjects ar...