| Population | Postgraduate students revising academic writing. | Separate undergraduate-only samples; resolve mixed samples from available subgroup data. |
|---|
| Intervention | Written feedback that links a criterion to an actionable revision. | Record delivery, timing, length and accompanying discussion. |
|---|
| Comparator | Usual feedback without the required structured format. | Extract what usual practice actually involved. |
|---|
| Design | Randomised and non-randomised comparative intervention studies. | Keep design categories separate in extraction and appraisal. |
|---|
| Outcomes | Revision quality, writing performance or self-reported experience. | Do not merge these constructs as one outcome. |
|---|