A medical researcher wanted to test and compare the impact of three different di

Question

A medical researcher wanted to test and compare the impact of three different dietary supplements as a means to examine to what extent dietary supplements can speed up wound healing times. She randomly selected 36 patients and then randomly divided this group into three subgroups: a ‘Placebo’ group who ingested sugar-pills; a ‘Vitamin X’ group who took vitamin pills; and a ‘Kale’ group who took Kale pills. The study involved the groups taking their pill-based supplements three times a day for one week and at the end, their wound healing times were recorded What sort of research design is this?

Explanation / Answer

Here the research design is experimental study as experiments has been performed on various subjects.

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