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Volumn 17, Issue 1, 2010, Pages 10-14

Sample size and power calculations made simple

Author keywords

Minimal clinically important difference; Power; Sample size; Significance level; Type I error; Type II error

Indexed keywords


EID: 80455122669     PISSN: 17411645     EISSN: 1759779X     Source Type: Journal    
DOI: 10.12968/ijtr.2010.17.1.45988     Document Type: Article
Times cited : (91)

References (7)
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  • 2
    • 67651162382 scopus 로고    scopus 로고
    • Power, effect and sample size using GPower: Practical issues for researchers and members of research ethics committees
    • Cunningham J.B, McCrum-Gardner E (2007) Power, effect and sample size using GPower: practical issues for researchers and members of research ethics committees. Evidence Based Midwifery 5(4): 132-6
    • (2007) Evidence Based Midwifery , vol.5 , Issue.4 , pp. 132-136
    • Cunningham, J.B.1    McCrum-Gardner, E.2
  • 3
    • 4143095942 scopus 로고    scopus 로고
    • How many do I need? Basic principles of sample size estimation
    • Devane D., Begley C, Clarke M (2004) How many do I need? Basic principles of sample size estimation. Journal of Advanced Nursing 47(3): 297-302
    • (2004) Journal of Advanced Nursing , vol.47 , Issue.3 , pp. 297-302
    • Devane, D.1    Begley, C.2    Clarke, M.3
  • 4
    • 0027467620 scopus 로고
    • Sample size for beginners
    • Florey C.V (1993) Sample size for beginners. BMJ 306: 1181-4
    • (1993) BMJ , vol.306 , pp. 1181-1184
    • Florey, C.V.1
  • 5
    • 0035640845 scopus 로고    scopus 로고
    • Some Practical Guidelines for Effective Sample Size Determination
    • Available from (accessed 17 December 2009)
    • Lenth R.V (2001) Some Practical Guidelines for Effective Sample Size Determination. The American Statistician 55: 187-93. Available from http://www.stat.uiowa.edu/techrep/ tr303.pdf (accessed 17 December 2009)
    • (2001) The American Statistician , vol.55 , pp. 187-193
    • Lenth, R.V.1
  • 7
    • 33847672278 scopus 로고    scopus 로고
    • Is Minimal Clinically Important Difference Relevant for the Interpretation of Clinical Trials in Pediatric Rheumatic Diseases?
    • (accessed 17 December 2009)
    • Ruperto N. (2007) Is Minimal Clinically Important Difference Relevant for the Interpretation of Clinical Trials in Pediatric Rheumatic Diseases? The Journal of Rheumatology. http:// tinyurl.com/yjst6ct (accessed 17 December 2009)
    • (2007) The Journal of Rheumatology.
    • Ruperto, N.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.