Wich group in a experiment is used as a standar for comparison?
Wich group in a experiment is used as a standar for comparison.
En resumen
Placebo group ; thats why we calld the placebo effect when we give nothings to the subject but the subject gives an answer as he has recieved something.
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Placebo group ; thats why we calld the placebo effect when we give nothings to the subject but the subject gives an answer as he has recieved something.
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