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The Generalised Antisemitism (GeAs) scale: validity and factor structure

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Original languageEnglish
Number of pages35
JournalJournal of Contemporary Antisemitism
Volume5
Issue number2
Accepted/In press9 Jun 2022
Published30 Dec 2022

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Abstract

This article validates the Generalised Antisemitism (GeAs) scale, which provides a measure of antisemitism consistent with the International Holocaust Remembrance Alliance Working Definition of Antisemitism (generally known as the IHRA Definition). The GeAs scale is comprised of two 6-item subscales, each containing a balance of reverse-coded items: the Judeophobic Antisemitism (JpAs) subscale, comprised of antisemitic statements about Jews as Jews, and the Antizionist Antisemitism (AzAs) subscale, comprised of antisemitic statements about Israel and its supporters. Pre-registered tests of convergent-discriminant validity are carried out using a quota sample (n= 602), which is also used to test the pre-registered hypothesis of positive correlation between subscales. The latter is supported and shown to be robust to outliers, as well as to hold both among male and female respondents and among younger and older respondents. Test-retest reliability is measured using re-invitees from the first sample (n= 428). Data from larger samples of UK-resident adults (a quota sample balanced for age and gender, n= 809, and a representative random sample from a recruited panel, n= 1853) are used in a confirmatory factor analysis and in tests of measurement invariance. The findings provide further evidence that the GeAs scale is reliable and valid. The finding that improved fit is achieved by bifactor models featuring two group factors and a general factor is consistent with the view that statements characteristic of ‘old’ and ‘new’ antisemitism express a single underlying trait.

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