StudyDesign 07286 · Member profile

Correction note for “Exploratory subgroup analysis: keep the label visible”: retain the wording beginning “State whether it was prespecified and how…”...

Case 48 — Correlation in a small observational dataset · source wording exercise Limit of the answer in “Correlation in a small observational dataset”...

Case 26 — An evidence table with room for negative findings · source wording exercise Correction note for “An evidence table with room for negative fi...

Case 5 — Retractions and expressions of concern in an archive Limit of the answer in “Retractions and expressions of concern in an archive”: “Link the...

Keep the source citation, retrieval date and a record of conversions or exclusions. Make synthetic examples explicit and never combine them silently w...

Ask whether the sample identifier, issuing laboratory, report date and relevant analytical method can be verified. A copied certificate may be genuine...

Case 3 — Reference management: distinguish primary and secondary sources Locate the primary study and confirm that it measured the claimed outcome. Re...