StudyDesign 02416 · Member profile

Limit of the answer in “Certificate of analysis: which claim does each measurement support?”: “Separate document provenance, identity, purity and…” is...

Case 8 — A correction log for an archive article Limit of the answer in “A correction log for an archive article”: “Identify the original error and th...

Create separate columns for the quantity measured, method, units and denominator. Do not subtract the two percentages as though they represented a dis...

Case 37 — Data provenance: keep source, transformation and output together · source wording exercise Method note for “Data provenance: keep source, tr...

Case 15 — Certificate of analysis: which claim does each measurement support? A chromatographic peak-area figure and net material content answer diffe...

Limit of the answer in “Selection bias in a self-reported forum sample”: “Discuss who chose to post, missing outcomes, unverifiable records…” is an ex...

Case 20 — Units and scale: prevent a silent comparison error Two figures use different units and one axis is logarithmic. How should a comparison be d...

Clarification for “Exploratory subgroup analysis: keep the label visible”: the point beginning “State whether it was prespecified and how…” belongs to...

Locate the primary study and confirm that it measured the claimed outcome. Record when only a secondary account was accessible and avoid presenting it...

Clarification for “Units and scale: prevent a silent comparison error”: the point beginning “Record the original units and axis transformation, show a...

Case 19 — Selection bias in a self-reported forum sample Clarification for “Selection bias in a self-reported forum sample”: the point beginning “Disc...

Case 1 — Exploratory subgroup analysis: keep the label visible Correction note for “Exploratory subgroup analysis: keep the label visible”: retain the...