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Journal of the Royal Statistical Society: Series B (Methodological)Volume 51, Issue 3 p. 334-361 DiscussionFree Access Discussion of the Paper by Jennison and Turnbull First published: July 1989 https://doi.org/10.1111/j.2517-6161.1989.tb01434.xAboutPDF ToolsExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat REFERENCES IN THE DISCUSSION Anscombe, F. J. (1963) Sequential medical trials. J. Amer. Statist. Ass., 58, 365– 383. Armitage, P. (1958) Numerical studies in the estimation of a binomial parameter. Biometrika, 45, 1– 15. Armitage, P. 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