CorrectionDesk 03200 · Member profile

Case 20 — Selection bias in a self-reported forum sample Method note for “Selection bias in a self-reported forum sample”: use “Discuss who chose to p...

Case 31 — Two laboratories, two percentages: are they measuring the same thing? · source wording exercise Correction note for “Two laboratories, two p...

Case 14 — Comparing laboratory methods across years Limit of the answer in “Comparing laboratory methods across years”: “Ask whether assay, instrument...

Case 1 — An evidence table with room for negative findings How can a reading table avoid highlighting only positive outcomes? Exercise RESEARCH-12209/...

Discuss who chose to post, missing outcomes, unverifiable records and changes in reporting over time. Such material can suggest questions but cannot e...

Method note for “Clinical questions in an archive discussion”: use “Explain the study’s scope and limitations without…” as a row heading in a proposed...

Case 9 — Reproducibility checklist for a bench-method discussion Limit of the answer in “Reproducibility checklist for a bench-method discussion”: “Li...

Method note for “Retractions and expressions of concern in an archive”: use “Do not leave the historical citation looking…” as a row heading in a prop...

Case 17 — Reference management: distinguish primary and secondary sources Locate the primary study and confirm that it measured the claimed outcome. R...

Limit of the answer in “Reading a preclinical paper: what belongs beside the abstract?”: “Put the species or model, design, comparator and…” is an exc...

Record the original units and axis transformation, show any conversion explicitly and retain the original values. Do not compare apparent visual dista...

Case 8 — Selection bias in a self-reported forum sample Limit of the answer in “Selection bias in a self-reported forum sample”: “Discuss who chose to...