의학통계학적 방법의 사용과 오류

Abstract

Objectives : This study summarizes statistical methods which have been used in the 153 original articles of the Journal of Ko­rean Neuropsychiatric Association published in 2002 and 2003. Methods : It deals with the appropriate statistical methods and some common errors for researchers. Results : Among the original articles, 41 statistical uses contain errors. Many cases of errors are found in the x 2-test and the t­test. This study detects uses of statistical errors and suggests right statistical methods. Conclusion : In order to improve the validity of original articles published in the Journal of Korean Neuropsychiatric Associa­tion, a more clearly stated statistical uses and closer editorial attention to statistical methods are needed.