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KMID : 1129720120290040573
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Korean Journal of Acupuncture
2012 Volume.29 No. 4 p.573 ~ p.580
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Analysis of the Statistical Errors in Articles of The Korean Journal of Meridian and Acupuncture
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Lee Min-Hee
Kang Kyung-won
Kim Jung-Eun
Choi Sun-Mi
Lee Sang-Hun
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Abstract
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Objectives : This study was to investigate statistical validities and trends of previously reported papers that used various statistical techniques such as t-test and analysis of variance. Methods : To analyze the statistical procedures, 54 original articles using those statistical methods were selected from The Korean Journal of Acupuncture published from 2007 to 2011. Results : T-test and analysis of variance were used in 23(25.27%), and 18 papers(19.78%) out of 54 papers, respectively. Seven articles(12.96%) did not report alpha values and 26(48.15%) out of 54 studies were not tested for normal distribution. One paper(1.85%) misused t-test and 7 papers(38.89%) did not carry out the multiple comparison. Conclusions : To improve the quality of KJA, statistician involvement in research design would be necessary to reduce errors in statistical methods and interpretation of the results.
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KEYWORD
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statistical error, statistical method, The Korean Journal of Acupuncture
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