Author, as appears in the article.: Ferrando, PJ; Lorenzo-Seva, U; Bargalló-Escrivà, MT
Department: Psicologia
URV's Author/s: Bargalló Escrivà, Maria Teresa / Ferrando Piera, Pere Joan / Lorenzo Seva, Urbano
Keywords: Response theory redundancy
Abstract: Exploratory factor analysis is widely used for item analysis in the earlier stages of scale development, usually with large pools of items. In this scenario, the presence of inappropriate or ineffective items can hamper the process of analysis, making it very difficult to correctly assess dimensionality and structure. To minimize, this (quite frequent) problem, we propose and implement a simple procedure designed to flag potentially problematic items before we specify any particular factorial solution. The procedure defines regions of item appropriateness and efficiency based on the combined impact of two prior item features: extremeness and consistency. The general proposal is related to the most widely used frameworks for item analysis. The limits of the appropriateness regions are obtained by extensive simulation in conditions that mimic those found in applications. An Item Response Theory index of prior item efficiency is then defined, and a combined approach for selecting the most effective and problem-free item sub-set is proposed. The proposal is useful to normal-range measures, such as questionnaire surveys that elicit reports about non-extreme attitudes, facts, beliefs or states, or personality questionnaires that measure normal-range constructs. The procedure is implemented in a freeware software.Copyright: © 2023 Ferrando et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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licence for use: https://creativecommons.org/licenses/by/3.0/es/
Author's mail: perejoan.ferrando@urv.cat urbano.lorenzo@urv.cat mariateresa.bargallo@estudiants.urv.cat mariateresa.bargallo@estudiants.urv.cat
Author identifier: 0000-0002-3133-5466 0000-0001-5369-3099 0000-0003-0880-8920 0000-0003-0880-8920
Record's date: 2023-12-16
Papper version: info:eu-repo/semantics/publishedVersion
Link to the original source: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0290611
Licence document URL: http://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Plos One. 18 (8): e0290611-e0290611
APA: Ferrando, PJ; Lorenzo-Seva, U; Bargalló-Escrivà, MT (2023). Gulliksen's pool: A quick tool for preliminary detection of problematic items in item factor analysis. Plos One, 18(8), e0290611-e0290611. DOI: 10.1371/journal.pone.0290611
Article's DOI: 10.1371/journal.pone.0290611
Entity: Universitat Rovira i Virgili
Journal publication year: 2023
Publication Type: Journal Publications
Repositori URV