StudyDesign 05996 · Member profile

Ask whether assay, instrument, units or reference intervals changed and retain both original reports. Do not infer a physiological trend before assess...

Case 41 — A durable glossary entry for an ambiguous abbreviation · source wording exercise Reader check for “A durable glossary entry for an ambiguous...

Case 23 — Selection bias in a self-reported forum sample Discuss who chose to post, missing outcomes, unverifiable records and changes in reporting ov...

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

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

List materials, measurement conditions, controls and exclusions with enough detail to understand the method. Keep this as research documentation and d...

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

Case 34 — Clinical questions in an archive discussion · source wording exercise Reader check for “Clinical questions in an archive discussion”: distin...

Case 16 — Two laboratories, two percentages: are they measuring the same thing? An apparent difference can motivate a method question without proving ...