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Author Question: A controlled placebo experiment is said to be blind when (Read 38 times)

sdfghj

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on: May 5, 2020
A controlled placebo experiment is said to be blind when
◦ neither the members of the control group nor the members of the treatment group know to which of the two groups they belong.
◦ the members of the control group are told they are in the treatment group.
◦ none of the scientists conducting the study know which patients are in the control group and which patients are in the treatment group.
◦ the members of the treatment group are told they are in the control group.
◦ none of these
Excursions in Modern Mathematics ¦ Tannenbaum ¦ 9th Edition
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Marked as best answer by sdfghj on May 5, 2020

yifu223

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Reply #1 on: May 5, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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sdfghj

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Reply 2 on: May 5, 2020
Gracias!

helenmarkerine

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Reply 3 on: Yesterday
Excellent

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