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Dagnall, N, Denovan, A, Drinkwater, KG and Escolà-Gascón, A (2023) The Generic Conspiracist Beliefs Scale-5: further psychometric evaluation using a United Kingdom-based sample. Frontiers in Psychology, 14.
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Abstract
The 5-item Generic Conspiracist Beliefs Scale (GCB-5) is an abridged version of the 15-item GCBS. It was developed as a global measure of the tendency to engage in non-event-based, conspiracy-related ideation. The GCB-5 is appealing to researchers because of its brevity, which facilitates the measurement of belief in conspiracies alongside multiple constructs and/or in situations where resources are limited (time, etc.). Noting that several studies failed to find an adequate unidimensional fit in the parent GCBS measures across different contexts, the present study further assessed the psychometric properties of the GCB-5. This was necessary since the GCB-5 was validated using North American samples. Thus, to ensure that the GCB-5 was satisfactory for use with samples in the United Kingdom (UK), GCBS/GCB-5 items were administered to a large, representative UK-based sample (N = 1,331), alongside a range of validated conspiracy scales. Confirmatory factor analysis found that a one-factor GCB-5 model produced a good model fit. This specified that the GCB-5 was underpinned by a single dimension. Furthermore, the performance of the GCB-5 was equivalent to the longer GCBS. Both instruments produced similar mean item scores and standard deviations and were comparably positively correlated with concurrent measures. Although the GCB-5 internal reliability was lower than the GCBS, it was good. The GCB-5 also demonstrated configural, metric, and scalar invariance (among gender and age subgroups). This indicated that the GCB-5 was interpreted similarly by men and women and different age groups. Overall, results supported the assertion that the GCB-5 is a psychometrically satisfactory global measure of non-event-based, conspiratorial ideation.
| Item Type: | Article |
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| Uncontrolled Keywords: | 1701 Psychology; 1702 Cognitive Sciences |
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology |
| Divisions: | Psychology (from Sep 2019) |
| Publisher: | Frontiers Media |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 17 Jun 2024 07:43 |
| Last Modified: | 17 Jun 2024 07:43 |
| DOI or ID number: | 10.3389/fpsyg.2023.1303838 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/23528 |
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