Importance of the control group in scientific research

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Importance of the control group in scientific research.

Fundamentally, scientific research aims at contributing to the development of human knowledge in all areas, being systematically planned and executed according to rigorous criteria of information processing.1 It consists of investigations, observations and experiments, and tries to use these tools to explain the causes of many phenomena. When reading scientific articles of which purpose is to e...

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I recently saw an old friend for the first time in many years. We had been Ph.D. students at the same time, both studying science, although in different areas. She later dropped out of graduate school, went to Harvard Law School and is now a senior lawyer for a major environmental organization. At some point, the conversation turned to why she had left graduate school. To my utter astonishment,...

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ژورنال

عنوان ژورنال: Dental Press Journal of Orthodontics

سال: 2013

ISSN: 2176-9451

DOI: 10.1590/s2176-94512013000600003