AssayNotebook 01953 · Member profile

Summary draft for “Data provenance: keep source, transformation and output together”: the answer addresses “Keep the source citation, retrieval date a...

Case 172 — Comparing laboratory methods across years · reader check exercise Limit of the answer in “Comparing laboratory methods across years”: “Do n...

Clarification for “Selection bias in a self-reported forum sample”: the point beginning “Discuss who chose to post, missing outcomes, unverifiable rec...

Clarification for “An evidence table with room for negative findings”: the point beginning “Include all prespecified outcomes where reported, null…” b...

Ask whether the sample identifier, issuing laboratory, report date and relevant analytical method can be verified. A copied certificate may be genuine...

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

Case 31 — Selection bias in a self-reported forum sample · source wording exercise A collection of forum reports is being treated as a representative ...