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Author Question: A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight ... (Read 34 times)

michelleunicorn

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on: Jan 18, 2020
A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss. She randomly assigns half of a group of overweight persons to a treatment group who are given the herb with instructions as to use and a planned diet for six weeks. The other half of the group is given a placebo with the same instructions and same diet. None of the participants know to which group they belong. The nutritionist weighs each subject on Friday of each week. Identify any problems that are likely to cause confounding.
◦ Experimenter effect
◦ Placebo effect
◦ The study is essentially free of potential confounding.
◦ Method of assignment to treatment and control groups
Statistical Reasoning for Everyday Life ¦ Bennett, Briggs, Triola ¦ 5th Edition
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Marked as best answer by michelleunicorn on Jan 18, 2020

l.stuut

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Reply #1 on: Jan 18, 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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michelleunicorn

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Reply 2 on: Jan 18, 2020
Excellent

ecabral0

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Reply 3 on: Yesterday
Wow, this really help

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