Psychometric Properties of the Questionnaire Epistemic Trust in People with Mild to Moderate Intellectual Disabilities or Borderline Intellectual Functioning
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| Title: | Psychometric Properties of the Questionnaire Epistemic Trust in People with Mild to Moderate Intellectual Disabilities or Borderline Intellectual Functioning |
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| Language: | English |
| Authors: | Suzanne D. M. Derks (ORCID |
| Source: | Journal of Applied Research in Intellectual Disabilities. 2025 38(4). |
| Availability: | Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us |
| Peer Reviewed: | Y |
| Page Count: | 11 |
| Publication Date: | 2025 |
| Document Type: | Journal Articles Reports - Research |
| Descriptors: | Psychometrics, Questionnaires, Epistemology, Trust (Psychology), Mild Intellectual Disability, Moderate Intellectual Disability, Test Validity |
| DOI: | 10.1111/jar.70111 |
| ISSN: | 1360-2322 1468-3148 |
| Abstract: | Background: To assess epistemic trust in people with intellectual disabilities, we adapted the Questionnaire Epistemic Trust (QET) for people with mild to moderate intellectual disabilities or borderline intellectual functioning (MMID/BIF). Method: We investigated the factor structure, the reliability and construct validity in 147 adults. Results: We replicated the 4-factor structure, after excluding four items with low factor loadings. Internal consistency was [alpha] = 0.58 for Hypervigilance, and ranged from a = 0.74 to 0.81 for the other subscales. Subscale test-retest reliability ranged from 0.504 to 0.747. No convergent validity was found with the Reflective Functioning Questionnaire (RFQ). Discriminant validity was confirmed with the Scale of Emotional Development-Questionnaire (SED-Q), Scale of Emotional Development-Short (SED-S) and Autism Spectrum Quotient-10 (AQ-10), but not with General Social Trust (GST). Discussion: The QET is promising for assessing epistemic trust of people with MMID/BIF at subscale level. Refining the items with a figurative expression seems needed. |
| Abstractor: | As Provided |
| Entry Date: | 2025 |
| Accession Number: | EJ1481331 |
| Database: | ERIC |
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| Abstract: | Background: To assess epistemic trust in people with intellectual disabilities, we adapted the Questionnaire Epistemic Trust (QET) for people with mild to moderate intellectual disabilities or borderline intellectual functioning (MMID/BIF). Method: We investigated the factor structure, the reliability and construct validity in 147 adults. Results: We replicated the 4-factor structure, after excluding four items with low factor loadings. Internal consistency was [alpha] = 0.58 for Hypervigilance, and ranged from a = 0.74 to 0.81 for the other subscales. Subscale test-retest reliability ranged from 0.504 to 0.747. No convergent validity was found with the Reflective Functioning Questionnaire (RFQ). Discriminant validity was confirmed with the Scale of Emotional Development-Questionnaire (SED-Q), Scale of Emotional Development-Short (SED-S) and Autism Spectrum Quotient-10 (AQ-10), but not with General Social Trust (GST). Discussion: The QET is promising for assessing epistemic trust of people with MMID/BIF at subscale level. Refining the items with a figurative expression seems needed. |
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| ISSN: | 1360-2322 1468-3148 |
| DOI: | 10.1111/jar.70111 |
