StudyDesign 07796 · Member profile

Case 30 — Assay-specific reference ranges: what must travel with a result? · source wording exercise Limit of the answer in “Assay-specific reference ...

Case 19 — Two laboratories, two percentages: are they measuring the same thing? An apparent difference can motivate a method question without proving ...

Proposed correction: documentation supplied; method and sample linkage incomplete. Add a dated update if verifiable primary material later resolves th...

Identify population, design, comparator, outcome definitions and follow-up. Assess whether the conclusion extends beyond the measurements and note wha...

Case 5 — Correlation in a small observational dataset Correction note for “Correlation in a small observational dataset”: retain the wording beginning...

Case 4 — Reading an abstract without skipping the methods Correction note for “Reading an abstract without skipping the methods”: retain the wording b...

Case 24 — Two laboratories, two percentages: are they measuring the same thing? A comparison table places chromatographic purity and net peptide conte...

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

Limit of the answer in “Exploratory subgroup analysis: keep the label visible”: “State whether it was prespecified and how…” is an excerpt from the di...

Case 25 — A correction log that survives the next archive update · source wording exercise Correction note for “A correction log that survives the nex...

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...

Case 17 — Comparing laboratory methods across years Two results were collected years apart with unknown method changes. What should be clarified? Exer...