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Volumn 22, Issue 15, 2003, Pages 2469-2485

Properties of internal pilots with the univariate approach to repeated measures

Author keywords

Geisser Greenhouse; Hunyh Feldt; Internal pilots; Power; Repeated measures

Indexed keywords

ACCURACY; ANALYSIS OF VARIANCE; ANALYTICAL ERROR; ARTICLE; CALCULATION; COVARIANCE; METHODOLOGY; NORMAL DISTRIBUTION; SAMPLE SIZE; SIMULATION; STATISTICAL ANALYSIS; STATISTICAL MODEL; STUDENT T TEST;

EID: 0041633642     PISSN: 02776715     EISSN: None     Source Type: Journal    
DOI: 10.1002/sim.1466     Document Type: Article
Times cited : (22)

References (30)
  • 1
    • 0024994537 scopus 로고
    • The role of internal pilot studies in increasing the efficiency of clinical trials
    • Wittes J, Brittain E. The role of internal pilot studies in increasing the efficiency of clinical trials. Statistics in Medicine 1990; 9:65-72.
    • (1990) Statistics in Medicine , vol.9 , pp. 65-72
    • Wittes, J.1    Brittain, E.2
  • 3
    • 0035020315 scopus 로고    scopus 로고
    • Controlling test size while gaining the benefits of an internal pilot design
    • Coffey CS, Muller KE. Controlling test size while gaining the benefits of an internal pilot design. Biometrics 2001; 57:625-631.
    • (2001) Biometrics , vol.57 , pp. 625-631
    • Coffey, C.S.1    Muller, K.E.2
  • 4
    • 0000065971 scopus 로고
    • Sample size re-estimation: Without unblinding for normally distributed outcomes with unknown variance
    • Gould LA, Shih WJ. Sample size re-estimation: without unblinding for normally distributed outcomes with unknown variance. Communications in Statistics - Theory and Methods 1992; 21:2833-2853.
    • (1992) Communications in Statistics - Theory and Methods , vol.21 , pp. 2833-2853
    • Gould, L.A.1    Shih, W.J.2
  • 5
    • 0028880754 scopus 로고
    • Re-evaluating design specifications of longitudinal clinical trials without unblinding when the key response is rate of change
    • Shih WJ, Gould AL. Re-evaluating design specifications of longitudinal clinical trials without unblinding when the key response is rate of change. Statistics in Medicine 1995; 14:2239-2248.
    • (1995) Statistics in Medicine , vol.14 , pp. 2239-2248
    • Shih, W.J.1    Gould, A.L.2
  • 6
    • 84953030627 scopus 로고
    • Stochastically curtailed tests in long-term clinical trials
    • Lan KKG, Simon R, Halperin M. Stochastically curtailed tests in long-term clinical trials. Sequential Analysis 1982; 1:207-219.
    • (1982) Sequential Analysis , vol.1 , pp. 207-219
    • Lan, K.K.G.1    Simon, R.2    Halperin, M.3
  • 7
    • 0035961473 scopus 로고    scopus 로고
    • Sample size re-estimation: Journey for a decade
    • Shih WJ. Sample size re-estimation: journey for a decade. Statistics in Medicine 2001; 20:515-518.
    • (2001) Statistics in Medicine , vol.20 , pp. 515-518
    • Shih, W.J.1
  • 8
    • 0035884237 scopus 로고    scopus 로고
    • Sample size re-estimation: Recent developments and practical considerations
    • Gould LA. Sample size re-estimation: recent developments and practical considerations. Statistics in Medicine 2001; 20:2625-2643.
    • (2001) Statistics in Medicine , vol.20 , pp. 2625-2643
    • Gould, L.A.1
  • 9
    • 0028595559 scopus 로고
    • Internal pilot studies for estimating sample size
    • Birkett MA, Day SJ. Internal pilot studies for estimating sample size. Statistics in Medicine 1994; 13: 2455-2463.
    • (1994) Statistics in Medicine , vol.13 , pp. 2455-2463
    • Birkett, M.A.1    Day, S.J.2
  • 13
    • 0033565742 scopus 로고    scopus 로고
    • Estimating the sample size for a t-test using an internal pilot
    • Denne JS, Jennison C. Estimating the sample size for a t-test using an internal pilot. Statistics in Medicine 1999; 18:1575-1585.
    • (1999) Statistics in Medicine , vol.18 , pp. 1575-1585
    • Denne, J.S.1    Jennison, C.2
  • 14
    • 0034656288 scopus 로고    scopus 로고
    • Re-calculating the sample size in internal pilot study designs with control of the type I error rate
    • Kieser M, Friede T. Re-calculating the sample size in internal pilot study designs with control of the type I error rate. Statistics in Medicine 2000; 19:901-911.
    • (2000) Statistics in Medicine , vol.19 , pp. 901-911
    • Kieser, M.1    Friede, T.2
  • 15
    • 0033636058 scopus 로고    scopus 로고
    • An improved double sampling procedure based on the variance
    • Proschan MA, Wittes J. An improved double sampling procedure based on the variance. Biometrics 2000; 56:1183-1187.
    • (2000) Biometrics , vol.56 , pp. 1183-1187
    • Proschan, M.A.1    Wittes, J.2
  • 17
    • 0036713341 scopus 로고    scopus 로고
    • Sample size redetermination for repeated measures studies
    • Zucker DM, Denne J. Sample size redetermination for repeated measures studies. Biometrics 2002; 58: 548-559.
    • (2002) Biometrics , vol.58 , pp. 548-559
    • Zucker, D.M.1    Denne, J.2
  • 18
    • 0033617687 scopus 로고    scopus 로고
    • Exact test size and power of a Gaussian error linear model for an internal pilot study
    • Coffey CS, Muller KE. Exact test size and power of a Gaussian error linear model for an internal pilot study. Statistics in Medicine 1999; 18:1199-1214.
    • (1999) Statistics in Medicine , vol.18 , pp. 1199-1214
    • Coffey, C.S.1    Muller, K.E.2
  • 20
    • 0041692485 scopus 로고    scopus 로고
    • Some distributions and their implications for an internal pilot study with a univariate linear model
    • Coffey CS, Muller KE. Some distributions and their implications for an internal pilot study with a univariate linear model. Communications in Statistics - Theory and Methods 2000; 29:2677-2691.
    • (2000) Communications in Statistics - Theory and Methods , vol.29 , pp. 2677-2691
    • Coffey, C.S.1    Muller, K.E.2
  • 22
    • 0041986427 scopus 로고
    • Approximate power for repeated-measures ANOVA lacking sphericity
    • (corrigendum 1991; 86:255-256)
    • Muller KE, Barton CN. Approximate power for repeated-measures ANOVA lacking sphericity. Journal of the American Statistical Association 1989; 84:549-555 (corrigendum 1991; 86:255-256).
    • (1989) Journal of the American Statistical Association , vol.84 , pp. 549-555
    • Muller, K.E.1    Barton, C.N.2
  • 23
    • 0042694344 scopus 로고    scopus 로고
    • nQuery Advisor Version 3.0 User's Guide. Los Angeles, CA
    • Elashoff JD. nQuery Advisor Version 3.0 User's Guide. Los Angeles, CA, 1999.
    • (1999)
    • Elashoff, J.D.1
  • 24
    • 0042193192 scopus 로고    scopus 로고
    • PASS 2000 Users Guide. NCSS Statistical Software: Kaysville, Utah
    • Hintze J. PASS 2000 Users Guide. NCSS Statistical Software: Kaysville, Utah, 2000.
    • (2000)
    • Hintze, J.1
  • 25
    • 0020333131 scopus 로고
    • Random-effects models for longitudinal data
    • Laird NM, Ware JH. Random-effects models for longitudinal data. Biometrics 1982; 38:963-974.
    • (1982) Biometrics , vol.38 , pp. 963-974
    • Laird, N.M.1    Ware, J.H.2
  • 26
    • 0034732658 scopus 로고    scopus 로고
    • Tests for Gaussian repeated measures with missing data in small samples
    • Catellier DJ, Muller KE. Tests for Gaussian repeated measures with missing data in small samples. Statistics in Medicine 2000; 19:1101-1114.
    • (2000) Statistics in Medicine , vol.19 , pp. 1101-1114
    • Catellier, D.J.1    Muller, K.E.2
  • 27
    • 0027071752 scopus 로고
    • Intentionally incomplete longitudinal designs: I. Methodology and comparison of some full span designs
    • Helms RW. Intentionally incomplete longitudinal designs: I. methodology and comparison of some full span designs. Statistics in Medicine 1992; 11:1889-1913.
    • (1992) Statistics in Medicine , vol.11 , pp. 1889-1913
    • Helms, R.W.1
  • 28
    • 12444259760 scopus 로고    scopus 로고
    • Mixed model procedures to assess power, precision, and sample size in the design of experiments
    • At accessed June 12
    • Stroup WW. Mixed model procedures to assess power, precision, and sample size in the design of experiments. At http://biometry.unl.edu/faculty/steve/802/2000/power_sas.pdf, accessed June 12, 2002.
    • (2002)
    • Stroup, W.W.1
  • 29
    • 0042694343 scopus 로고    scopus 로고
    • SAS Institute. SAS/IML Software. Version 8. SAS Institute: Cary, NC
    • SAS Institute. SAS/IML Software. Version 8. SAS Institute: Cary, NC, 1999.
    • (1999)


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.