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      Research methodology in dentistry: Part II — The relevance of statistics in research

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          Abstract

          The lifeline of original research depends on adept statistical analysis. However, there have been reports of statistical misconduct in studies that could arise from the inadequate understanding of the fundamental of statistics. There have been several reports on this across medical and dental literature. This article aims at encouraging the reader to approach statistics from its logic rather than its theoretical perspective. The article also provides information on statistical misuse in the Journal of Conservative Dentistry between the years 2008 and 2011

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          Strong Inference: Certain systematic methods of scientific thinking may produce much more rapid progress than others.

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            Standard deviations and standard errors.

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              Statistics notes: the normal distribution.

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                Author and article information

                Journal
                J Conserv Dent
                J Conserv Dent
                JCD
                Journal of Conservative Dentistry : JCD
                Medknow Publications & Media Pvt Ltd (India )
                0972-0707
                0974-5203
                Jul-Sep 2012
                : 15
                : 3
                : 206-213
                Affiliations
                [1]Department of Conservative Dentistry and Endodontics, Mennakshi Ammal Dental College and Hospitals, Maduravoyal, India
                [1 ]Department of Epidemiology, The Tamilnadu Dr. MGR Medical University, Guindy, Chennai, India
                Author notes
                Address for correspondence: Dr. Jogikalmat Krithikadatta, Department of Conservative Dentistry and Endodontics, Mennakshi Ammal Dental College and Hospitals, Maduravoyal, Chennai – 600 095, India. E-mail: drkrithikadatta@ 123456hotmail.com
                Article
                JCD-15-206
                10.4103/0972-0707.97937
                3410326
                22876003
                2492581b-220f-484b-ad42-6d416329e79f
                Copyright: © Journal of Conservative Dentistry

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 11 May 2012
                : 24 May 2012
                : 08 June 2012
                Categories
                Invited Review

                Dentistry
                normal distribution,standard error,standard deviation,p value,sample size,research methodology

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