Human-Centric Lighting

Begin with the source and its limits

CIE's public overview of CIE PS 001:2024 identifies a third edition of its integrative-lighting position statement, updating the 2019 edition. The overview describes questions that remain before recommendations can be fully incorporated into general lighting guidance. It names CIE S 026:2018 as the measurement framework for characterizing integrative effects. These are attributed points from the landing page, not an assessment of the full document. Source checked 8 October 2026; this is a review date, not a publication date.

Only the public overview was reviewed here. The linked full document was not retrieved. This page does not reproduce exposure guidance, evaluate a study's participants or methods, or infer an individual result from that overview.

Give each statement a different question

Editorial reading categories: classify the sentence before deciding what evidence you need.

Marketing description

What intention or experience does the wording describe? Identify the promised idea without recording it as a measured result.

Measurement statement

What quantity, method, location and conditions does the report identify? Record the measurement's actual subject rather than substituting a statement about people.

Claimed human outcome

What response is claimed, for whom and against which comparison? Locate the evidence for that particular outcome before accepting the connection.

Compare three pieces of a hypothetical document

Editorial exercise: imagine a brochure describes a people-focused intention, an appendix lists a light measurement, and a summary refers to a participant response. These are invented document roles, not study findings or product claims.

First, label each piece using the categories above. Then ask whether the measurement and response concern the same people, setting and observation period. A shared document title does not answer those questions. If the appendix omits the setting, leave the connection unresolved rather than supplying one from the brochure's wording.

Finally, rewrite your reading note as three separate entries: the intention stated, the measurement documented and the outcome claimed. Add a fourth entry for the evidence still needed to connect them. Do not collapse the four entries into one conclusion.

Trace the connection before extending the claim

1. Locate the source behind the outcome sentence. Record its author, document identity and date, rather than citing only the brochure.
2. Check the described participants, setting, observation window and comparison. Ask whether both statements actually refer to the same conditions.
3. Identify which connection the source demonstrates and which explanation the writer proposes. Keep missing information and alternative explanations visible.
4. Write the narrowest supported reading note. A question that remains unanswered belongs in the note, not in an assumed product benefit.

Keep the next step within the evidence

For another document-reading perspective, use Testing & Quality's measurement-scope discussion or the historical Lighting Research guide's interpretation limits. Return to Research Overview to choose a different reading question.

The exercise provides no exposure schedule, health prediction, product selection or connection between catalog color-temperature values and biological effects. Those conclusions are outside the evidence reviewed here.