Abstract
The Video Engagement Scale (VES) is a quality indicator to assess engagement in experimental video-vignette studies, but its measurement properties warrant improvement. Data from previous studies were combined (N = 2676) and split into three subsamples for a stepped analytical approach. We tested construct validity, criterion validity, reliability, and measurement invariance. Confirmatory factor analysis (CFA) reiterated poor fit of the previously suggested subscales. An alternative 2-factor structure is presented, which was cross-validated and further shortened (VES-sf). Reliability of both subscales (Immersion, Emotional Impact) was very high (α > .86). Multi-group CFAs demonstrated partial and complete measurement invariance among male/female and differently educated participants respectively. Invariance between healthy versus ill participants was not established, but CFAs supported the VES-sf structure in both groups separately. To conclude, we provide the VES-sf with sound measurement properties and demonstrated the appropriateness of comparing certain subgroups. Overall, we recommend the VES-sf to assess engagement/ecological validity in video-vignette research.
| Original language | English |
|---|---|
| Pages (from-to) | 305-318 |
| Number of pages | 14 |
| Journal | International Journal of Social Research Methodology |
| Volume | 26 |
| Issue number | 3 |
| Early online date | 21 Mar 2022 |
| DOIs | |
| Publication status | Published - 2023 |
Bibliographical note
Publisher Copyright:© 2022 Informa UK Limited, trading as Taylor & Francis Group.
Funding
This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors to complete the project.
Keywords
- experimental study design
- Measurement properties
- validity
- video engagement
- video-vignette
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