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Evidence and Experimental Design in Sequential Trials

Sprenger, Jan (2008) Evidence and Experimental Design in Sequential Trials. In: UNSPECIFIED.

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The impact of experimental design on the interpretation of a scientific experiment is a subject of major controversy. Are data a neutral arbiter between competing hypotheses, or is their interpretation intimately connected to the experimental design from which they are generated? The debate focuses on the relevance of stopping rules in sequential trials. However, Bayesian and frequentist statisticians and philosophers of science are apparently deadlocked in their controversy. To resolve the deadlock, I suggest a threefold strategy: (i) to distinguish various senses of relevance of stopping rules, (ii) to consider the requirements of experimental practice to a higher degree and (iii) to review the alleged counterexamples from a decision-theoretic perspective. While maintaining the pre-experimental relevance of design and stopping rules, this approach also leads us to the evidential, post-experimental irrelevance of stopping rules.

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Item Type: Conference or Workshop Item (UNSPECIFIED)
Sprenger, Jan
Keywords: Statistics, Philosophy of Statistics, Experimental Design, Statistical Evidence, Decision Theory
Subjects: Specific Sciences > Probability/Statistics
General Issues > Decision Theory
General Issues > Confirmation/Induction
Specific Sciences > Mathematics
Depositing User: Jan Sprenger
Date Deposited: 12 Feb 2009
Last Modified: 07 Oct 2010 15:17
Item ID: 4306

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