- T test as a parametric statistic
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Kim TK
- KMID: 2237303
- Korean J Anesthesiol.
- 2015 Dec;68(6):540-546.
- doi: 10.4097/kjae.2015.68.6.540
In statistic tests, the probability distribution of the statistics is important. When samples are drawn from population N (micro, sigma2) with a sample size of n, the distribution of the... -
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- Statistical notes for clinical researchers: assessing normal distribution (1)
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Kim HY
- KMID: 2316832
- Restor Dent Endod.
- 2012 Nov;37(4):245-248.
No abstract available. -
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- Statistical notes for clinical researchers: assessing normal distribution (2) using skewness and kurtosis
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Kim HY
- KMID: 1995478
- Restor Dent Endod.
- 2013 Feb;38(1):52-54.
- doi: 10.5395/rde.2013.38.1.52
No abstract available. -
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- Normality Test in Clinical Research
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Kwak SG, Park SH
- KMID: 2442029
- J Rheum Dis.
- 2019 Jan;26(1):5-11.
- doi: 10.4078/jrd.2019.26.1.5
In data analysis, given that various statistical methods assume that the distribution of the population data is normal distribution, it is essential to check and test whether or not the... -
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- More about the basic assumptions of t-test: normality and sample size
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Kim TK, Park JH
- KMID: 2458317
- Korean J Anesthesiol.
- 2019 Aug;72(4):331-335.
- doi: 10.4097/kja.d.18.00292
Most parametric tests start with the basic assumption on the distribution of populations. The conditions required to conduct the t-test include the measured values in ratio scale or interval scale,... -
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- Central limit theorem: the cornerstone of modern statistics
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Kwak SG, Kim JH
- KMID: 2377414
- Korean J Anesthesiol.
- 2017 Apr;70(2):144-156.
- doi: 10.4097/kjae.2017.70.2.144
According to the central limit theorem, the means of a random sample of size, n, from a population with mean, µ, and variance, σ², distribute normally with mean, µ, and... -
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- Practical statistics in pain research
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Kim TK
- KMID: 2392900
- Korean J Pain.
- 2017 Oct;30(4):243-249.
- doi: 10.3344/kjp.2017.30.4.243
Pain is subjective, while statistics related to pain research are objective. This review was written to help researchers involved in pain research make statistical decisions. The main issues are related... -
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- Statistical Data Editing in Scientific Articles
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Habibzadeh F
- KMID: 2379599
- J Korean Med Sci.
- 2017 Jul;32(7):1072-1076.
- doi: 10.3346/jkms.2017.32.7.1072
Scientific journals are important scholarly forums for sharing research findings. Editors have important roles in safeguarding standards of scientific publication and should be familiar with correct presentation of results, among... -
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- Measurement of Normal Distribution of Vertebrobasilar System on Vertebral Angiogram
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Huh CW, Lee CJ, Ha YS, Rhee JK, Han DH, Kang JK, Song JU
- KMID: 2186982
- J Korean Neurosurg Soc.
- 1975 Oct;4(2):259-268.
Angiographic diagnosis of lesions of the posterior fossa requires detailed knowledge of the normal anatomy of both arteries and veins of the brainstem and cerebellum. For this perfuse we measured... -
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- A study of Digital Image Analysis of Chromatin Texture for Discrimination of Thyroid Neoplastic Cells
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Juhng SW, Lee JH, Bum EK, Kim CW
- KMID: 2226488
- Korean J Cytopathol.
- 1996 Jun;7(1):23-30.
Chromatin texture, which partly reflects nuclear organization, is evolving as an important parameter indicating cell activation or transformation. In this study, chromatin pattern was evaluated by image analysis of the... -
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- Survey of the use of statistical methods in Journal of the Korean Association of Oral and Maxillofacial Surgeons
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Choi YG
- KMID: 2405373
- J Korean Assoc Oral Maxillofac Surg.
- 2018 Feb;44(1):25-28.
- doi: 10.5125/jkaoms.2018.44.1.25
OBJECTIVES: This study aimed to describe recent patterns in the types of statistical test used in original articles that were published in Journal of the Korean Association of Oral and... -
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- Effect of Horizontal Eye Movements on the Heart Rate Variability after Exposure to a Fear-Inducing Film Clip
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Lee H, Yum MK, Kim SH, Lee YJ, Kim D
- KMID: 1770034
- Korean J Biol Psychiatry.
- 2008 Feb;15(1):35-45.
OBJECTIVES: There has been a continued debate regarding the role of eye movements in Eye Movement Desensitization and Reprocessing(EMDR). This study examined the possible autonomic effect of horizontal eye movements... -
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- A Study on Reference Values from Health Checkup Data of Korea Association of Health Promotion by Indirect Method: A Study on Standardization of Reference Values among Laboratories of Korea Association of Health Promotion II
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Lee KN, Yoon JH, Cho HI, Na EH, Moon SY, Park JY, Kang WS, Kim BH, Lee SH
- KMID: 1466835
- J Lab Med Qual Assur.
- 2009 Dec;31(2):309-315.
BACKGROUND: The reference values of laboratory should review regularly to maintain good quality of practice. This is the second report of studies on reference values of Korea Association of Health... -
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- Reference Intervals in Healthy Adults using Automatic Cell Counter Beckman Coulter LH 750
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Jeong TE, Na KS, Kwon KC, Koo SH, Ko CS, Park JW
- KMID: 1584044
- J Lab Med Qual Assur.
- 2005 Jun;27(1):173-181.
BACKGROUND: Our aim was to set reference intervals of healthy adults using Beckman Coulter LH 750 by gender and age. METHODS: The specimens were obtained from a total of 705 healthy... -
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- Deprivation and Mortality at the Town Level in Busan, Korea: An Ecological Study
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Choi MH, Cheong KS, Cho BM, Hwang IK, Kim CH, Kim MH, Hwang SS, Lim JH, Yoon TH
- KMID: 1031139
- J Prev Med Public Health.
- 2011 Nov;44(6):242-248.
- doi: 10.3961/jpmph.2011.44.6.242
OBJECTIVES: Busan is reported to have the highest mortality rate among 16 provinces in Korea, as well as considerable health inequality across its districts. This study sought to examine overall... -
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