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Class 9 Science Exploration: Entering the World of Secondary Science Hypothesis and experimentationExpert

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What is the main scientific purpose of a placebo group?

Answer and explanation

Correct answer: Compare effects caused by the expectation of treatment

A placebo helps separate the effect of expectation from the effect of the actual treatment. In exams treat it as a control comparison.

Related tags

Placebo Control Medicine Expectation-Effect Hypothesis And Experimentation Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science

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