{ "schema_version": "1.0", "id": "plate-map", "canonical_url": "https://discoveryinpractice.com/bench-tips/plate-map/", "title": "Read the plate map before you read the statistic", "author": { "name": "Discovery in Practice", "url": "https://discoveryinpractice.com/about/", "@type": "Organization" }, "language": "en", "summary": "Inspect spatial patterns alongside control statistics, then use those patterns to choose a follow-up check.", "takeaways": [ "Preserve raw wells and their positions.", "Compare patterns with the dispensing layout and read order.", "A spatial pattern alone does not establish its cause." ], "limitations_summary": "Editorial adaptation from the related article. The plate map is illustrative, not experimental data.", "topics": [ "Bench tips", "Plate maps" ], "publication_status": "published", "date_published": "2026-09-25", "date_modified": "2026-09-25", "license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "content_version": "1.0", "body_html": "
BT·01Bench tip

Read the plate map before you read the statistic.

One summary number can hide where a measurement changes across the plate.

384 wells · illustrativeCols 1–2 high · 23–24 low

This map is an illustration, not experimental data.

Start with the raw wells

Inspect the spatial pattern alongside the control distributions. Look for edge patterns, row or column shifts, and unusual individual wells. Compare the map with the dispensing layout, control positions, and reading order.

Use the pattern to choose a check

A pattern is a reason to investigate, not a diagnosis. Keep preparation and reader settings with the original data so you can compare runs without losing the context.

For the full discussion of misleadingly consistent controls, read A better Z′ can hide a worse measurement.

", "body_text": "BT·01Bench tipRead the plate map before you read the statistic.One summary number can hide where a measurement changes across the plate.384 wells · illustrativeCols 1–2 high · 23–24 lowThis map is an illustration, not experimental data.Start with the raw wellsInspect the spatial pattern alongside the control distributions. Look for edge patterns, row or column shifts, and unusual individual wells. Compare the map with the dispensing layout, control positions, and reading order.Use the pattern to choose a checkA pattern is a reason to investigate, not a diagnosis. Keep preparation and reader settings with the original data so you can compare runs without losing the context.For the full discussion of misleadingly consistent controls, read A better Z′ can hide a worse measurement.", "sections": [], "references": [ { "id": "related-article", "citation": "Andrew Stewart. A better Z′ can hide a worse measurement.", "urls": [ "https://discoveryinpractice.com/articles/z-prime-detector-linearity/" ] } ], "equations": [], "tables": [], "provenance": { "kind": "Editorial adaptation", "examples": "Illustrative map, not experimental measurements", "editorial_status": "Approved for publication" }, "license_status": "Published under CC BY 4.0", "content_sha256": "763d8831adbbabb97e874b5035d5aee2c06a8cd6aa1125a1361f0578b6a3c1cc" }