𝔖 Bobbio Scriptorium
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Revision of the Keller’s procedure – pilot study

✍ Scribed by R. Din; K.A. Giannikas; M. Greiss

Book ID
114483987
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
198 KB
Volume
10
Category
Article
ISSN
0958-2592

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The two-stage design involves sample size recalculation using an interim variance estimate. Stein proposed the design in 1945; biostatisticians recently have shown renewed interest in it. Wittes and Brittain proposed a modiÿcation aimed at greater e ciency; Gould and Shih proposed a similar procedur