# The importance of content and face validity in instrument development: lessons learnt from service users when developing the Recovering Quality of Life measure (ReQoL)

> Research article (Quality of Life Research, 2018) · cited 302× · AI/ML

**Wikidata**: [openalex:W2802639520](https://www.wikidata.org/wiki/openalex:W2802639520)  
**Source**: https://4ort.xyz/entity/the-importance-of-content-and-face-validity-in-instrument-development-lessons-learnt-from-service-users-when-developing-