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PROBABILITY ASSESSMENT: CONTINUOUS
QUANTITIES AND PROBABILITY DECOMPOSITION
by
Patrick J. Doyle
________________________________________________________________
A Dissertation Presented to the
FACULTY OF THE USC GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
DOCTOR OF PHILOSOPHY
(PSYCHOLOGY)
May 2011
Copyright 2011 Patrick J. Doyle
Object Description
| Title | Probability assessment: Continuous quantities and probability decomposition |
| Author | Doyle, Patrick J. |
| Author email | Longshanks@aol.com; pjd@usc.edu |
| Degree | Doctor of Philosophy |
| Document type | Dissertation |
| Degree program | Psychology |
| School | College of Letters, Arts and Sciences |
| Date defended/completed | 2010-06-24 |
| Date submitted | 2011 |
| Restricted until | Unrestricted |
| Date published | 2011-04-13 |
| Advisor (committee chair) | John, Richard S. |
| Advisor (committee member) |
Wilcox, Rand R. Read, Stephen J. Walsh, David A. Moore, James Elliott, II |
| Abstract | There has been a great deal of research conducted in the areas of probability assessment and calibration. However, a limited amount of research has been conducted using continuous random variables where participants construct subjective probability distributions (SPD’s) and a dearth of research exploring probability decomposition. The current research had three main goals: 1) to examine accuracy for various predictions of NFL and NCAA football game outcomes, 2) to compare different methods of elicitation for SPD’s, and 3) to examine probability decomposition using stimuli from a real-world domain. It was hypothesized that participants would demonstrate the most accuracy in prediction for questions regarding game winners and for questions about winners against the point spread, since such events are the most common for those who regularly follow sports. It was also hypothesized that participants would be more accurate for SPD’s based on a simultaneous 4-interval forced-consistency method versus a sequential 2-interval method, since all possible outcomes are presented at once using the 4-interval method. Participants were recruited online through various sources and responded to online surveys regarding games in the 2009 NFL and NCAA football season. Results demonstrated participants were not very accurate in assessments of game winners or of picking winners against the point spread. Also, participants were more accurate constructing SPD’s using the sequential method. Additionally, probability decomposition did not lead to more accurate assessments. These results are most likely due to the difficulties in conducting probability assessment via online survey. Implications, potential limitations, and recommendations for future research are discussed. |
| Keyword | probability assessment; continuous random variables; subjective probability distributions; elicitation methods; probability decomposition |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Provenance | Electronically uploaded by the author |
| Type | texts |
| Legacy record ID | usctheses-m3743 |
| Contributing entity | University of Southern California |
| Rights | Doyle, Patrick J. |
| Repository name | Libraries, University of Southern California |
| Repository address | Los Angeles, California |
| Repository email | cisadmin@lib.usc.edu |
| Filename | etd-Doyle-4539 |
| Archival file | uscthesesreloadpub_Volume29/etd-Doyle-4539.pdf |
Description
| Title | Page 1 |
| Contributing entity | University of Southern California |
| Repository email | cisadmin@lib.usc.edu |
| Full text | PROBABILITY ASSESSMENT: CONTINUOUS QUANTITIES AND PROBABILITY DECOMPOSITION by Patrick J. Doyle ________________________________________________________________ A Dissertation Presented to the FACULTY OF THE USC GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree DOCTOR OF PHILOSOPHY (PSYCHOLOGY) May 2011 Copyright 2011 Patrick J. Doyle |
