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Activity Number: 97 - Introductory Overview Lecture: Likelihood Principle
Type: Invited
Date/Time: Monday, July 29, 2019 : 8:30 AM to 10:20 AM
Sponsor: JSM Partner Societies
Abstract #301669 Presentation
Title: Assessing Procedures vs. Assessing Evidence
Author(s): Michael Lavine*
Companies: University of Massachusetts, Amherst
Keywords:
Abstract:

Many statistical analyses are characterized by how often a procedure works: how often an interval covers a true value, a null hypothesis is rejected, an item is correctly classified, etc. But assessing how often a procedure works differs from assessing the evidence in a data set. Understanding the difference is prerequisite to understanding what matters in a given analysis: the procedure, the evidence, or both. We begin with several examples that illustrate the difference between assessing evidence and assessing procedures. Then we work carefully through another example to motivate the Conditionality Principle (CP), and the Sufficiency Principle (SP), and show how CP and SP together imply that assessing evidence differs from assessing procedures. Brief mention is made of how these ideas extend to prediction and finite-population sampling and to Birnbaum’s theorem that CP and SP together imply the Likelihood Principle (LP).


Authors who are presenting talks have a * after their name.

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