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The Internal-External Locus of Control Short Scale-4 (IE-4): A comprehensive validation of the English-language adaptation
[journal article]
Abstract The Internal-External Locus of Control Short Scale-4 (IE-4) measures two dimensions of the personality trait locus of control with two items each. IE-4 was originally developed and validated in German and later translated into English. In the present study, we assessed the psychometric properties (i... view more
The Internal-External Locus of Control Short Scale-4 (IE-4) measures two dimensions of the personality trait locus of control with two items each. IE-4 was originally developed and validated in German and later translated into English. In the present study, we assessed the psychometric properties (i.e., objectivity, reliability, validity) of the English-language IE-4, compared these psychometric properties with those of the German-language source version, and tested measurement invariance across both language versions. Using heterogeneous quota samples from the UK and Germany, we find that the English-language adaptation has satisfactory reliability and plausible correlations with 11 external variables (e.g., general self-efficacy, self-esteem, impulsive behavior, Emotional Stability), which are comparable with those of the German-language source version. Moreover, metric measurement invariance of the scale holds when comparing the UK and Germany, implying the comparability of correlations based on the latent factors across the two nations. As an ultra-short scale (completion time < 30 s), IE-4 lends itself particularly to the assessment of locus of control in survey contexts in which assessment time or questionnaire space are limited. It can be applied in a variety of research disciplines, such as psychology, sociology, or economics. - The dataset supporting the conclusions of this article is available in the GESIS SowiDataNet/ datorium repository, https://doi.org/10.7802/2095.... view less
Keywords
psychometrics; self-efficacy; objectivity; questionnaire; locus of control; emotionality; reliability; measurement instrument; personality traits; self-esteem; survey; scale construction; validity; satisfaction with life
Classification
Methods and Techniques of Data Collection and Data Analysis, Statistical Methods, Computer Methods
Free Keywords
Impulsivity; German people; Quantitative trait loci; Language
Document language
English
Publication Year
2022
Journal
PLOS ONE, 17 (2022) 7
DOI
https://doi.org/10.1371/journal.pone.0271289
ISSN
1932-6203
Status
Published Version; peer reviewed
Licence
Creative Commons - Attribution 4.0
FundingGefördert durch die Deutsche Forschungsgemeinschaft (DFG) - Projektnummer 491156185 / Funded by the German Research Foundation (DFG) - Project number 491156185The publication was supported by the Leibniz Association's Open Access Publishing Fund for articles in open access journals.