Universität zu Köln

Konstabel, Kenn, Lonnqvist, Jan-Erik ORCID: 0000-0001-8292-6090, Leikas, Sointu ORCID: 0000-0003-1087-5874, Velazquez, Regina Garcia, Qin, Hiaying, Verkasalo, Markku ORCID: 0000-0002-4356-9649 and Walkowitz, Gari (2017). Measuring single constructs by single items: Constructing an even shorter version of the Short Five personality inventory. PLoS One, 12 (8). SAN FRANCISCO: PUBLIC LIBRARY SCIENCE. ISSN 1932-6203

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Abstract

The aim of this study was to construct a short, 30-item personality questionnaire that would be, in terms of content and meaning of the scores, as comparable as possible with longer, well-established inventories such as NEO PI-R and its clones. To do this, we shortened the formerly constructed 60-item Short Five (S5) by half so that each subscale would be represented by a single item. We compared all possibilities of selecting 30 items (preserving balanced keying within each domain of the five-factor model) in terms of correlations with well-established scales, self-peer correlations, and clarity of meaning, and selected an optimal combination for each domain. The resulting shortened questionnaire, XS5, was compared to the original S5 using data from student samples in 6 different countries (Estonia, Finland, UK, Germany, Spain, and China), and a representative Finnish sample. The correlations between XS5 domain scales and their longer counterparts from well-established scales ranged from 0.74 to 0.84; the difference from the equivalent correlations for full version of S5 or from meta-analytic short-term dependability coefficients of NEO PI-R was not large. In terms of prediction of external criteria (emotional experience and self-reported behaviours), there were no important differences between XS5, S5, and the longer well-established scales. Controlling for acquiescence did not improve the prediction of criteria, self-peer correlations, or correlations with longer scales, but it did improve internal reliability and, in some analyses, comparability of the principal component structure. XS5 can be recommended as an economic measure of the five-factor model of personality at the level of domain scales; it has reasonable psychometric properties, fair correlations with longer well-established scales, and it can predict emotional experience and self-reported behaviours no worse than S5. When subscales are essential, we would still recommend using the full version of S5.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Konstabel, Kenn UNSPECIFIED UNSPECIFIED UNSPECIFIED Lonnqvist, Jan-Erik UNSPECIFIED orcid.org/0000-0001-8292-6090 UNSPECIFIED Leikas, Sointu UNSPECIFIED orcid.org/0000-0003-1087-5874 UNSPECIFIED Velazquez, Regina Garcia UNSPECIFIED UNSPECIFIED UNSPECIFIED Qin, Hiaying UNSPECIFIED UNSPECIFIED UNSPECIFIED Verkasalo, Markku UNSPECIFIED orcid.org/0000-0002-4356-9649 UNSPECIFIED Walkowitz, Gari UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-221818
DOI:	10.1371/journal.pone.0182714
Journal or Publication Title:	PLoS One
Volume:	12
Number:	8
Date:	2017
Publisher:	PUBLIC LIBRARY SCIENCE
Place of Publication:	SAN FRANCISCO
ISSN:	1932-6203
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language BIG; VALIDITY Multiple languages Multidisciplinary Sciences Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/22181