Claim LD04-SL-C01 (v1.0)

In a preregistered online experiment with 453 college-educated professionals doing occupation-specific writing tasks, ChatGPT access cut time taken by 40% and raised output quality by 18%, and inequality between workers decreased.

Provenance and status

Claim type: ESTIMATE (as printed: “ESTIMATE”)
Publication status: ELIGIBLE (QUALIFIED) (as printed: “ELIGIBLE WITH QUALIFIER”)
Verification state: CONTENT_VERIFIED_PRIMARY (ABSTRACT_ONLY) (as printed: “CONTENT VERIFIED ABSTRACT”; verified by: UNKNOWN)
Does not license: Retained skill without the tool; effects on careers, wages or real workplaces
Source (field 6, as printed): Noy & Zhang, “Experimental evidence on the productivity effects of generative artificial intelligence,” Science 381(6654), 2023
Source type (field 7): PEER_REVIEWED_JOURNAL_ARTICLE (as printed: “Peer-reviewed journal article”)
Institutional position: Independent academic
Maturity (claim evidence / publication maturity): RAPIDLY_MATURING (as printed: “RAPIDLY MATURING”)
Recorded date: 2026-10-14
Currentness / correction: This is the current version. No correction or concern relation is recorded on its Sources.

Version

Pinned version v1.0 (entry LD04-SL-C01--v1.0) — this page never floats to newer evidence.

This pinned version is also the current version.

Versions:v1.0 · current

Pinned Sources (field 6, version-specific)

“Noy & Zhang, “Experimental evidence on the productivity effects of generative artificial intelligence,” Science 381(6654), 2023” → SRC-SL-NOY-ZHANG-SCIENCE-2023--v1.0 — Noy & Zhang, “Experimental evidence on the productivity effects of generative artificial intelligence,” Science 381(6654), 2023; class PEER_REVIEWED_JOURNAL_ARTICLE (explicit public provenance pin)

All 25 canonical Claim fields (raw values and normalized values)

#	Canonical field	Canonical value (verbatim)	Normalized (Claim Value Vocabulary v1.0.2)
1	CLAIM ID	LD04-SL-C01	—
2	PUBLIC-FACING CLAIM	In a preregistered online experiment with 453 college-educated professionals doing occupation-specific writing tasks, ChatGPT access cut time taken by 40% and raised output quality by 18%, and inequality between workers decreased.	—
3	CLAIM TYPE	ESTIMATE	base_types: ESTIMATE
4	RESEARCH STRAND	A — Performance while the tool is in use	—
5	MATURITY	RAPIDLY MATURING	states: RAPIDLY_MATURING
6	SOURCE	Noy & Zhang, “Experimental evidence on the productivity effects of generative artificial intelligence,” Science 381(6654), 2023	source_ids: SRC-SL-NOY-ZHANG-SCIENCE-2023
7	SOURCE TYPE	Peer-reviewed journal article	classes: PEER_REVIEWED_JOURNAL_ARTICLE
8	INSTITUTIONAL POSITION	Independent academic	—
9	SCOPE	Short standalone occupation-specific writing tasks; participants recruited online	—
10	DESIGN	Preregistered randomized online experiment	—
11	SAMPLE / DATASET	453 college-educated professionals	—
12	MODEL / TOOL / VERSION	ChatGPT (2023)	—
13	COMPARATOR	Participants without ChatGPT access	—
14	MAIN RESULT	Time −40%; quality +18%; inequality between workers decreased; treated participants more likely to use ChatGPT at work weeks later	—
15	INFERENTIAL TARGET	Assisted task performance and its spread across workers	—
16	DOES NOT LICENSE	Retained skill without the tool; effects on careers, wages or real workplaces	—
17	VERIFICATION STATE	CONTENT VERIFIED ABSTRACT	state: CONTENT_VERIFIED_PRIMARY · qualifiers: ABSTRACT_ONLY · verified_by: UNKNOWN
18	LIMITATIONS	Short standalone tasks; no measure of learning or of performance after the tool is removed; checked against the official abstract only, read in the article's DOI record (Crossref) on 14 October 2026; the full text was not read	—
19	CONTRADICTORY / SUPPORTING SOURCES	Consistent with compression in customer support and coding; contrasts with widening in open-ended entrepreneurial and creative tasks	—
20	GEOGRAPHY / LANGUAGE	Not checked / English	—
21	DISTRIBUTIONAL LEDGER	Lower performers gain more while assisted	—
22	R01 / FIELD-MAP LINKS	LD-04, D2	—
23	WHAT WOULD CHANGE THIS CLAIM?	Full-text reading that changes the reported figures, or replications on longer, non-standalone tasks that reverse the dispersion result	—
24	PUBLICATION STATUS	ELIGIBLE WITH QUALIFIER	state: ELIGIBLE · qualifiers: QUALIFIED
25	RECORDED DATE	2026-10-14	—

Field 22 references resolved against Field Map v0.2: LD-04 (LIVING_DEBATE); D2 (DOMAIN)

Cited by Living Debate versions

LD-04 v0.1

Research-of-record provenance

Materialized by sociolens-materializer 0.6.0 at 2026-09-28T20:00:00.000Z; normalization contract SocioLens — Claim Value Vocabulary v1.0.2 — Pre-Spike Materialization Contract (v1.0.2). Content seal SHA-256 e2c5839da995e8aeaafe35deb3b39aee57d33e5fb2166cade814ee69710cae2f.

Repository-authored inputs (not Drive exports)

SocioLens claim — LD04-SL-C01 v1.0 (v1.0) — written in the SocioLens repository by Project Lead (Claude, AI) on 2026-10-14; no Drive identity exists. Authority: AGENTS.md "Authority" (the Project Lead decides research content within the research-integrity rules) and the Owner's choice in the SocioLens project chat on 14 October 2026 to build the LD-04 debate; a new Claim, first version, written from the project's LD-04 source notes, checked against full texts or official abstracts. Block “ENTRY 01 — LD04-SL-C01” SHA-256 2b327fc5b5b855c9abb77ff6e046f131c9d193cac1eb015a31ff333b565b23c2; fixture fixtures/authored/claims/LD04-SL-C01--v1.0.

Builder decisions (not Drive data)

VERSION = v1.0 — basis: Claim version taken from the repository-authored claim fixture version (SocioLens claim — LD04-SL-C01 v1.0); the first version of a new Claim of the LD-04 debate
CURRENT_POINTER = true — basis: repository-authored claim "SocioLens claim — LD04-SL-C01 v1.0" (Project Lead (Claude, AI), 2026-10-14); basis: AGENTS.md "Authority" (the Project Lead decides research content within the research-integrity rules) and the Owner's choice in the SocioLens project chat on 14 October 2026 to build the LD-04 debate; a new Claim, first version, written from the project's LD-04 source notes, checked against full texts or official abstracts
FIELD_6_SOURCE_REFERENCE = SRC-SL-NOY-ZHANG-SCIENCE-2023--v1.0 — basis: field 6 of ENTRY 01 — LD04-SL-C01 cites "Noy & Zhang, “Experimental evidence on the productivity effects of generative artificial intelligence,” Science 381(6654), 2023"; the only field-6 segment of this ClaimVersion's repository-authored ledger block.
SOURCE_PROVENANCE_PIN = SRC-SL-NOY-ZHANG-SCIENCE-2023--v1.0 — basis: explicit version-pinned public provenance of this ClaimVersion (Amendment v1.2 §6): the pinned field-6 Source record "Noy & Zhang, “Experimental evidence on the productivity effects of generative artificial intelligence,” Science 381(6654), 2023".