| CFA | Confirmatory Factor Analysis |
| DIF | Differential Item Functioning |
| EFA | Exploratory Factor Analysis |
| GP | General Practice |
| GRM | Graded Response Model |
| IRT | Item Response Theory |
| NHS | National Health Service |
| PROM | Patient Reported Outcome Measure |
| QoL | Quality of Life |
| ReQoL | Recovering Quality of Life |
| TA | Translatability assessment |
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