Item response theory and computerized adaptive test approaches to the narcissistic personality inventory
Cruz, Alvaro
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https://hdl.handle.net/2142/101832
Description
Title
Item response theory and computerized adaptive test approaches to the narcissistic personality inventory
Author(s)
Cruz, Alvaro
Issue Date
2018-07-20
Director of Research (if dissertation) or Advisor (if thesis)
Chang, Hua-Hua
Committee Member(s)
Culpepper, Steven
Department of Study
Psychology
Discipline
Psychology
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
Measurement, Item Response Theory, Narcissism
Abstract
The purpose of this thesis is twofold: investigate narcissism from a personality measurement perspective and explore the accuracy of two item selection methods in a Computerized Adaptive Testing (CAT) paradigm, Fisher Information and Kullback-Leibler Information. A dataset containing roughly eleven thousand responses to the Narcissistic Personality Inventory (NPI) is analyzed and preliminary results used to conduct simulation studies to compare estimation accuracy between CATs and traditional IRT tests. The results are discussed as are the potential benefits and shortcomings of shifting the NPI to an IRT framework.
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