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Don't Keep It Too Simple: Simplified Items Do Not Improve Measurement Quality
[Zeitschriftenartikel]
Abstract When formulating questionnaire items, generally accepted rules include: Keeping the wording as simple as possible and avoiding double-barreled items. However, the empirical basis for these rules is sparse. The present study aimed to systematically investigate in an experimental design whether simpli... mehr
When formulating questionnaire items, generally accepted rules include: Keeping the wording as simple as possible and avoiding double-barreled items. However, the empirical basis for these rules is sparse. The present study aimed to systematically investigate in an experimental design whether simplifying items of a personality scale and avoiding double-barreled items (i.e., items that contain multiple stimuli) markedly increases psychometric quality. Specifically, we compared the original items of the Big Five Inventory-2 - most of which are either double-barreled or can be regarded as complexly formulated - with simplified versions of the items. We tested the two versions using a large, heterogeneous sample (N = 2,234). The simplified versions did not possess better psychometric quality than their original counterparts; rather, they showed weaker factorial validity. Regarding item characteristics, reliability, and criterion validity, no substantial differences were identified between the original and simplified versions. These findings were also replicated for the subsample of lower-educated respondents, who are considered more sensitive to complex item formulations. Our study thus suggests that simplifying item wording and avoiding double-barreled items in a personality inventory does not improve the quality of a questionnaire; rather, using simpler (and consequently more vague) item formulations may even decrease factorial validity.... weniger
Thesaurusschlagwörter
Entwicklung; Datengewinnung; Umfrageforschung; Fragebogen; Datenqualität
Klassifikation
Erhebungstechniken und Analysetechniken der Sozialwissenschaften
Freie Schlagwörter
BFI-2; Big Five; Methodological topics in assessment; item simplification; low educated; personality assessment
Sprache Dokument
Englisch
Publikationsjahr
2024
Seitenangabe
S. 117-127
Zeitschriftentitel
European Journal of Psychological Assessment, 40 (2024) 2
DOI
https://doi.org/10.1027/1015-5759/a000741
ISSN
2151-2426
Status
Veröffentlichungsversion; begutachtet (peer reviewed)