The Importance of Beta, the Type II Error and Sample Size in the Design and Interpretation of the Randomized Control Trial
Freiman, Jennie A.
Smith, H. Jr.
New England Journal of Medicine 1978 September 28; 299(13): 690-694
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A Randomized Trial of a Haemophilus Influenzae Type B Conjugate Vaccine in a Developing Country for the Prevention of Pneumonia-Ethical Considerations Mulholland, K.; Smith, P. C.; Broome, C. V.; Gaye, A.; Whittle, H.; Greenwood, B. M. (1999-09)
van der Lee, Johanna H.; Wesseling, Judit; Tanck, Michael W.; Offringa, Martin (2010-01)OBJECTIVE: To estimate the difference between the number of subjects actually included in pediatric sequential trials and the sample size that would have been included with a fixed-sample design. STUDY DESIGN AND SETTING: ...