AMCA: Effect Magnitude: A Different Focus by Roger E. Kirk

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International Conference on Statistics, Combinatorics and Related Areas
October 3-5, 2003
University of Southern Maine
Portland, ME, USA

Organizers
Dr. Sat Gupta (University of Southern Maine), Dr. Satya Mishra (University of South Alabama), Dr. Bhu Dev Sharma (Clark Atlanta University)

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Effect Magnitude: A Different Focus
by
Roger E. Kirk
Baylor University

This presentation examines the role of measures of effect magnitude in the research enterprise. Measures of effect magnitude are used for three main purposes: to integrate the results of multiple experiments in meta-analyses, to supplement the information provided by null hypothesis significance tests and confidence intervals, and to determine whether research results are practically significant. Each of these applications as well as a variety of measures of effect magnitude are described. The advantages of focusing on effect magnitude and practical significance instead of statistical significance and p values are illustrated with examples.

Date received: August 28, 2003

Copyright © 2003 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Mathematical Conference Abstracts. Document # cakp-84.