Psychometrics on Björn Perssonhttps://bjorn-persson.github.io/tags/psychometrics/Recent content in Psychometrics on Björn PerssonHugo -- 0.147.2enFri, 29 Aug 2025 00:00:00 +0000Item Response Theory Modelling of the Trait Emotional Intelligence Questionnaire-Short Form: Item Streamlining, Differential Item Functioning, and Validity in a Swedish Multicenter Cross-Sectional Studyhttps://bjorn-persson.github.io/papers/teique-sf-irt-2025/Fri, 29 Aug 2025 00:00:00 +0000https://bjorn-persson.github.io/papers/teique-sf-irt-2025/Using IRT, this paper psychometrically refines the TEIQue-SF to a 12-item version in a Swedish multicenter sample of 845 healthcare and social work students. Published in BMC Psychology, 2025.Validation of Subjective Well-Being Measures Using Item Response Theoryhttps://bjorn-persson.github.io/papers/subjective-wellbeing-irt-2020/Wed, 22 Jan 2020 00:00:00 +0000https://bjorn-persson.github.io/papers/subjective-wellbeing-irt-2020/This paper applies item response theory to validate the PANAS, Satisfaction with Life Scale, and Harmony in Life Scale in a sample of 1,000 participants. Published in Frontiers in Psychology, 2020.IRT Analyses of the Swedish Dark Triad Dirty Dozenhttps://bjorn-persson.github.io/papers/swedish-dirty-dozen-irt-2018/Wed, 07 Mar 2018 00:00:00 +0000https://bjorn-persson.github.io/papers/swedish-dirty-dozen-irt-2018/This paper provides the first IRT analyses of the Swedish version of the Dark Triad Dirty Dozen scale in a sample of 570 individuals. Published in Heliyon, 2018.Testing Construct Independence in the Short Dark Triad Using Item Response Theoryhttps://bjorn-persson.github.io/papers/sd3-irt-2017/Fri, 26 May 2017 00:00:00 +0000https://bjorn-persson.github.io/papers/sd3-irt-2017/This paper uses item response theory to test whether the three Dark Triad constructs measured by the SD3 can be modelled independently. Published in Personality and Individual Differences, 2017.Revisiting the Structure of the Short Dark Triadhttps://bjorn-persson.github.io/papers/sd3-structure-2019/Thu, 06 Apr 2017 00:00:00 +0000https://bjorn-persson.github.io/papers/sd3-structure-2019/Across three independent samples (total N > 19,700), this paper examines the factor structure of the Short Dark Triad using exploratory and confirmatory factor analyses. Published in Assessment, 2019.The (Mis)measurement of the Dark Triad Dirty Dozen: Exploitation at the Core of the Scalehttps://bjorn-persson.github.io/papers/dirty-dozen-2016/Tue, 01 Mar 2016 00:00:00 +0000https://bjorn-persson.github.io/papers/dirty-dozen-2016/Using the largest sample to date (N = 3,698), this paper examines the factor structure and item-level properties of the Dark Triad Dirty Dozen via IRT. Published in PeerJ, 2016.