StudyDesign 01996 · Member profile
Method note for “Comparing laboratory methods across years”: use “Ask whether assay, instrument, units or reference intervals changed…” as a row headi...
Case 26 — Reading a preclinical paper: what belongs beside the abstract? · source wording exercise The draft summary of a fictional reading exercise m...
Case 33 — Selection bias in a self-reported forum sample · source wording exercise Limit of the answer in “Selection bias in a self-reported forum sam...
Correction note for “Retractions and expressions of concern in an archive”: retain the wording beginning “Do not leave the historical citation looking...
Link both versions, record dates and check whether methods or conclusions changed. Publication status is useful context but is not itself a guarantee ...
Case 17 — Certificate of analysis: which claim does each measurement support? A reagent dossier contains a summary purity percentage but not the metho...
Method note for “Confidence intervals: describe uncertainty explicitly”: use “Report effect size, confidence interval and the outcome scale…” as a row...
Ask whether the sample identifier, issuing laboratory, report date and relevant analytical method can be verified. A copied certificate may be genuine...
Case 31 — A correction log for an archive article · source wording exercise Summary draft for “A correction log for an archive article”: the answer ad...
Case 11 — A correction log that survives the next archive update Each entry should retain the date, old text, corrected text, reason and source refere...
Case 29 — Certificate of analysis: which claim does each measurement support? · source wording exercise Clarification for “Certificate of analysis: wh...
Ask whether the changed figure affects the archive’s interpretation. Updating a citation alone may leave an unsupported conclusion in the opening summ...
Case 32 — An evidence table with room for negative findings · source wording exercise Limit of the answer in “An evidence table with room for negative...
Case 8 — Two laboratories, two percentages: are they measuring the same thing? The summary should say that different quantities were initially mixed a...