Item response theory‑based psychometric analysis of the Short Warwick‑Edinburgh Mental Well‑Being Scale (SWEMWBS) among adolescents in the UK
Estimating measurement equivalence of the 12-item General Health Questionnaire across ethnic groups in the UK
An integrated approach to bias in a longitudinal survey in the United Kingdom: assessing construct, method, and item bias in the General Health Questionnaire (GHQ-12)