메뉴 건너뛰기




Volumn 18, Issue 24, 1999, Pages 3481-3491

Internal pilot studies I: Type I error rate of the naive t-test

Author keywords

[No Author keywords available]

Indexed keywords

ANALYTICAL ERROR; CALCULATION; CONFERENCE PAPER; PILOT STUDY; SAMPLE; STATISTICAL ANALYSIS; STOCHASTIC MODEL;

EID: 0033620008     PISSN: 02776715     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1097-0258(19991230)18:24<3481::AID-SIM301>3.0.CO;2-C     Document Type: Conference Paper
Times cited : (75)

References (14)
  • 1
    • 0000537133 scopus 로고
    • A two-sample test for a linear hypothesis whose power is independent of the variance
    • Stein, C. 'A two-sample test for a linear hypothesis whose power is independent of the variance', Annals of Mathematical Statistics, 16, 243-258 (1945).
    • (1945) Annals of Mathematical Statistics , vol.16 , pp. 243-258
    • Stein, C.1
  • 2
    • 0024994537 scopus 로고
    • The role of internal pilot studies in increasing the efficiency of clinical trials
    • Wittes, J. and Brittain, E. 'The role of internal pilot studies in increasing the efficiency of clinical trials', Statistics in Medicine, 9, 65-72 (1990).
    • (1990) Statistics in Medicine , vol.9 , pp. 65-72
    • Wittes, J.1    Brittain, E.2
  • 3
    • 0000065971 scopus 로고
    • Sample size re-estimation without unblinding for normally distributed outcomes with unknown variance
    • Gould, A. and Shin, W. 'Sample size re-estimation without unblinding for normally distributed outcomes with unknown variance', Communications in Statistics - Theory and Methods, 21, 2833-2853 (1991).
    • (1991) Communications in Statistics - Theory and Methods , vol.21 , pp. 2833-2853
    • Gould, A.1    Shin, W.2
  • 4
    • 0028595559 scopus 로고
    • Internal pilot studies for estimating sample size
    • Birkett, M. A. and Day, S. J. 'Internal pilot studies for estimating sample size', Statistics in Medicine, 13, 2455-2463 (1995).
    • (1995) Statistics in Medicine , vol.13 , pp. 2455-2463
    • Birkett, M.A.1    Day, S.J.2
  • 6
    • 0039964986 scopus 로고
    • A method for selecting the size of the initial sample in Stein's two sample procedure
    • Moshman, J. 'A method for selecting the size of the initial sample in Stein's two sample procedure', Annals of Mathematical Statistics, 29, 1271-1275 (1958).
    • (1958) Annals of Mathematical Statistics , vol.29 , pp. 1271-1275
    • Moshman, J.1
  • 7
    • 0026543566 scopus 로고
    • Interim analyses for monitoring clinical trials that do not affect the type I error rate
    • Gould, A. 'Interim analyses for monitoring clinical trials that do not affect the type I error rate', Statistics in Medicine, 11, 55-66 (1992).
    • (1992) Statistics in Medicine , vol.11 , pp. 55-66
    • Gould, A.1
  • 8
    • 0030853121 scopus 로고    scopus 로고
    • Design for sample size re-estimation with interim data for double-blind clinical trials with binary outcomes
    • Shih, W. J. and Zhao, P. L. 'Design for sample size re-estimation with interim data for double-blind clinical trials with binary outcomes', Statistics in Medicine, 16, 1913-1923 (1997).
    • (1997) Statistics in Medicine , vol.16 , pp. 1913-1923
    • Shih, W.J.1    Zhao, P.L.2
  • 9
    • 0003357663 scopus 로고    scopus 로고
    • Blinded sample size re-estimation with unequal variances and center effects in clinical trials
    • Shih, W. J. and Long, J. 'Blinded sample size re-estimation with unequal variances and center effects in clinical trials', Communications in Statistics - Theory and Methods, 27, 395-408 (1997).
    • (1997) Communications in Statistics - Theory and Methods , vol.27 , pp. 395-408
    • Shih, W.J.1    Long, J.2
  • 10
    • 0032518741 scopus 로고    scopus 로고
    • Modifying the design of ongoing trials without unblinding
    • Gould, A. L. and Shih, W. J. 'Modifying the design of ongoing trials without unblinding', Statistics in Medicine', 17, 89-100 (1998).
    • (1998) Statistics in Medicine , vol.17 , pp. 89-100
    • Gould, A.L.1    Shih, W.J.2
  • 11
    • 0028880754 scopus 로고
    • Re-evaluating design specifications of longitudinal clinical trials without unblinding when the key response is rate of change
    • Shih, W. J. and Gould, A. L. 'Re-evaluating design specifications of longitudinal clinical trials without unblinding when the key response is rate of change', Statistics in Medicine, 14, 2239-2248 (1995).
    • (1995) Statistics in Medicine , vol.14 , pp. 2239-2248
    • Shih, W.J.1    Gould, A.L.2
  • 12
    • 0343567343 scopus 로고
    • Aptech Systems, Inc., Maple Valley, WA
    • Aptech Systems Inc., GAUSS, Aptech Systems, Inc., Maple Valley, WA, 1994.
    • (1994) GAUSS
  • 13
    • 0344003609 scopus 로고
    • SAS Institute, Cary, NC
    • SAS Institute. SAS, v. 6.08 SAS Institute, Cary, NC, 1995.
    • (1995) SAS, V. 6.08


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.