---
id: "20260810-0223-verify-hargens-schuman-1990s"
title: "Verify Hargens & Schuman (1990)'s own figures on department-level use of citation data in hiring, tenure, promotion, and salary decisions, and confirm the source of the '5,000 departments by 1998' estimate"
type: "capture"
status: "promoted"
origin: "batch"
promoted_to: ["40-entities/entity-lowell-hargens.md (new entity hub — co-author, real, matters to the vault's citation-misuse thread as the still-unverified primary's author)","40-entities/entity-howard-schuman.md (new entity hub — co-author, same reasoning; also carries the corrected-name alias)","40-entities/entity-brian-d-cameron.md (updated in place — dated 2026-08-10 line on the footnote 54/55 split)","40-entities/entity-eugene-garfield.md (updated in place — dated 2026-08-10 line on the 5,000-departments figure being Garfield's own uncited assertion)","50-questions/question-verify-hargens-schuman-1990-citation-data-hiring-tenure-primary.md (progress line appended, recording exhausted free-access routes; left status: open — item 1 still unresolved)"]
not_promoted: ["Claim 1 (Howard not Herman Schuman, per Cameron's footnote 54) — not written as a new claim-note. A parallel 2026-08-10 cross-model audit (claude-fable-5) had already applied the identical correction, with the identical footnote-54 quote, directly to claim-cameron-2005-hargens-schuman-1990-citation-data-hiring-tenure-scope.md before this promotion ran. Writing it again would duplicate, not add.","Claim 2 (the '5,000 departments by 1998' figure is Garfield's own uncited assertion, per footnote 55, not Hargens & Schuman's) — same reasoning: already applied in place to the same claim-note by the same parallel audit, with the identical footnote-55 citation and the identical Garfield block quote. Not duplicated.","Claim 3 (Hargens & Schuman's own 35%/60% figures remain unverified — primary not reached this session) — a non-finding, not a promotable claim. Already tracked by the open question this capture answers and by the existing claim-note's [unverified-quant] flag; folded into a dated progress-line update on the open question instead of a standalone note."]
writer_model: "claude-sonnet-5"
date_created: "2026-08-10T00:00:00.000Z"
provenance: "Batch run, 2026-08-10, answering [[question-verify-hargens-schuman-1990-citation-data-hiring-tenure-primary]], which flagged two figures in [[claim-cameron-2005-hargens-schuman-1990-citation-data-hiring-tenure-scope]] as resting only on Brian D. Cameron's 2005 secondary discussion. Cameron's 2005 PDF (already cached from the 2026-08-09 promotion, same sha256) was re-read closely around footnotes 54 and 55. Hargens & Schuman's own 1990 paper was searched for directly: it is paywalled on ScienceDirect/Elsevier (DOI 10.1016/0049-089X(90)90006-5), both archive_page and WebFetch returned HTTP 403 on the ScienceDirect abstract page, the CiteSeerX mirror URL found via search returned HTTP 404 on two different query-parameter orderings, and no PDF, institutional-repository copy, or personal-site copy was located via search. The primary itself was not obtained this session."
derived_from: []
tags: ["bibliometrics","citation-metrics","impact-factor","garfield","cameron","hargens","schuman","research-assessment","verification","unverified-quant"]
sources: [{"source_url":"https://ndownloader.figshare.com/files/28118637","source_sha":"cd6309422ed2bfe859fd0d9bd519b6388de00d5bffeaffdda3fb042132092bf5","source_author":"Brian D. Cameron","source_date":2005,"source_title":"Trends in the Usage of ISI Bibliometric Data: Uses, Abuses, and Implications","source_venue":"portal: Libraries and the Academy 5(1):105-125 (Johns Hopkins University Press, 2005); self-archived copy, Toronto Metropolitan University institutional repository, DOI 10.32920/14642139.v1","source_tier":1,"source_note":"Fetched via extract_pdf; cache hit against the identical sha256 already on file from the 2026-08-09 promotion. Read in full this session, focusing on footnotes 54 and 55 and their endnote list."},{"source_url":"https://garfield.library.upenn.edu/papers/derunfallchirurg_v101(6)p413y1998english.html","source_sha":"eb223207eb70b6123045ec3b404b58cc4161e0a8e9dedd2ccb6f0b0354248f48","source_author":"Eugene Garfield","source_date":"1998-06-01","source_title":"The Impact Factor and Using It Correctly","source_venue":"Der Unfallchirurg 101(6):413 (English translation, self-archived at garfield.library.upenn.edu)","source_tier":1,"source_note":"Fetched via archive_page; cache hit against the identical sha256 already anchoring [[claim-garfield-warned-impact-factor-unfit-to-judge-individuals]]. Read in full this session specifically to check for a '5,000 departments' figure."},{"source_url":"https://www.sciencedirect.com/science/article/abs/pii/0049089X90900065","source_tier":"not accessible","source_note":"Hargens, L. L. and H. Schuman, 'Citation counts and social comparisons: Scientists' use and evaluation of citation index data,' Social Science Research 19(3) (September 1990): 205-221, DOI 10.1016/0049-089X(90)90006-5 -- per Cameron's own footnote 54, read directly (see below). ScienceDirect abstract page returned HTTP 403 on both archive_page and WebFetch. Not read; not cited as a source of any claim below. Listed here only to record that the correct primary-document identity and DOI were located even though the text was not."}]
seek_code_commit: "b13747c"
---


This capture answers [[question-verify-hargens-schuman-1990-citation-data-hiring-tenure-primary]] as far as this session's access allowed. It resolves the second half of the question cleanly (the "5,000 departments" figure's actual citation) and leaves the first half open (Hargens & Schuman's own 35%/60% figures, still unread in primary).

## Claim: Cameron's footnote 54 names the Hargens & Schuman co-author as "Howard Schuman," not "Herman Schuman" -- correcting a transcription error in the vault's existing claim-note

**Claim type:** historical/bibliographic. Tier 3-4 acceptable when uncontested; met here at Tier 1 (Cameron's own footnote, read directly).

Cameron's endnote 54 reads in full: "Lowell L. Hargens and Howard Schuman, 'Citation Counts and Social Comparisons: Scientists' Use and Evaluation of Citation Index Data,' *Social Science Research* 19, 3 (September 1990): 205-21." [[claim-cameron-2005-hargens-schuman-1990-citation-data-hiring-tenure-scope]] currently records the co-author as "Herman Schuman" in both its frontmatter and body -- an error introduced somewhere in that capture, since Cameron's own footnote, now read directly, gives "Howard." This matches the real scholar: Howard Schuman (1925-2021) was a University of Michigan survey researcher who directed the Institute for Social Research's Survey Research Center from 1982 to 1990, per his own institutional biographies -- a plausible and findable person, unlike "Herman Schuman," who does not turn up as the author of anything in this area. The correction is bibliographically load-bearing: an uncorrected author name breaks any citation trail built on this note.

*provenance*: Cameron, "Trends in the Usage of ISI Bibliometric Data" (2005), endnote 54 (Tier 1).

## Claim: The "5,000 departments by 1998" figure is Garfield's own claim, made in his own 1998 letter -- not Hargens & Schuman's, and not itself independently sourced within that letter

**Claim type:** quantitative (the 5,000 figure) + historical attribution (whose claim it is). Tier 1-2 required; met at Tier 1 for both parts.

Cameron's main text reads: "A 1990 study reported that approximately 35 percent of biochemistry departments and close to 60 percent of sociology departments queried had used citation data for hiring, as well as for tenure, promotion, and salary.[54] By 1998, it was estimated that 5,000 departments in American universities had been evaluated with citation data.[55]" The two sentences carry two different footnotes. Footnote 55 -- immediately following the 5,000-departments sentence -- reads: "Eugene Garfield, 'The Impact Factor and Using it Correctly': 413." That is the same 1998 *Der Unfallchirurg* letter already anchoring [[claim-garfield-warned-impact-factor-unfit-to-judge-individuals]] as one of Garfield's own primary texts in this vault.

Reading that letter directly confirms the figure is in fact there, in Garfield's own words, not merely in Cameron's footnote: "Further, they have been used in the USA to evaluate 5,000 departments at the leading universities." This settles the open half of the question: the "5,000 departments" estimate does not originate with Hargens & Schuman (who published in 1990 and could not have estimated a 1998 figure) -- it originates with Garfield himself, asserted in passing in a 1998 letter to the editor, with no citation of his own given for the number inside that letter. Cameron's paraphrase ("it was estimated that...") also softens Garfield's flatter, unhedged original claim ("they have been used...to evaluate") into estimate-language Garfield himself did not use. The two figures in Cameron's discussion -- the 35%/60% survey figures and the 5,000-departments figure -- are therefore two separate, independently sourced claims about the same underlying phenomenon (citation data used in personnel decisions), not one figure derived from the other.

*provenance*: Cameron (2005), main text and endnote 55 (Tier 1); Garfield, "The Impact Factor and Using It Correctly," *Der Unfallchirurg* 101(6):413, 1998 (Tier 1, direct quote, groundedness-checked against the cached extraction).

## Claim: Hargens & Schuman's own 35%/60% figures remain unverified against their primary paper -- the paper itself was not reachable this session

**Claim type:** quantitative. Tier 1-2 required; **not met -- remains `[unverified-quant -- needs primary]`.**

Hargens, L. L. and H. Schuman, "Citation counts and social comparisons: Scientists' use and evaluation of citation index data," *Social Science Research* 19(3) (September 1990): 205-221, DOI 10.1016/0049-089X(90)90006-5, is an Elsevier journal article with no open-access route located this session: the ScienceDirect abstract page 403'd on both `archive_page` and `WebFetch`; a CiteSeerX mirror URL surfacing in search results 404'd on both parameter orderings tried; no copy was found on ResearchGate, the University of Washington's Lowell Hargens faculty page (which lists a CV but no publication list or PDFs), or any other institutional or personal site. The 35%/60% figures therefore remain exactly where [[claim-cameron-2005-hargens-schuman-1990-citation-data-hiring-tenure-scope]] already left them: sourced only through Cameron's Tier-2 paraphrase, with source_quote "approximately 35 percent of biochemistry departments and close to 60 percent of sociology departments queried had used citation data for hiring, as well as for tenure, promotion, and salary" -- a real, grounded quote of Cameron's own words, but not yet a reading of Hargens & Schuman's own text. This capture confirms the correct DOI and full bibliographic identity of the target paper (useful for a future attempt via interlibrary loan or an institutional subscription) but does not close the flag.

*provenance*: attempted access only; no source read. Existing flag on [[claim-cameron-2005-hargens-schuman-1990-citation-data-hiring-tenure-scope]] stands unchanged.

> [!note] Seek's commentary:
> The question asked for two things and this session got exactly one of them clean. That is not a failure -- Garfield's own letter, read directly, settles a real ambiguity: without this check, it would have been easy to assume "5,000 departments by 1998" was Hargens & Schuman's own extrapolation, when it turns out to be Garfield's separate, unsourced-within-itself assertion. That distinction matters for how much weight the number deserves -- an unsourced claim in a letter to the editor is a different kind of evidence than a number reported from a fielded survey. Meanwhile the Hargens & Schuman paper itself stayed exactly as reachable as it was before this session: not at all, through any free route tried. Six search queries and two fetch tools later, the honest state is "paywalled," not "verified." — Seek

## Further leads
- Howard Schuman's own institutional biographies (University of Michigan Institute for Social Research, American Academy of Arts and Sciences) confirm he directed the Survey Research Center 1982-1990 and worked on survey-question design -- Tier 4 pointers only, not read closely this session, but consistent with the "Howard" correction above.
- Garfield's 1998 letter asserts the 5,000-departments figure without citing its own source; whether that number traces to any fielded study (possibly even Hargens & Schuman's, despite the mismatched year) or is Garfield's own impression is an open question a future session could chase via Garfield's other 1990s writings.
- A CiteSeerX-indexed paper, "The validity of publication and citation counts for Sociology and other selected disciplines," discusses Hargens & Schuman's findings in more depth per search-result snippets, but its PDF link 404'd this session; a working copy (ResearchGate lists it) might carry closer paraphrase or even quotation of the 1990 paper's own figures.
- Interlibrary loan or an institutional ScienceDirect subscription is the likely remaining route to Hargens & Schuman's primary text; not available in this tooling.

## Entity candidates
- Lowell L. Hargens — person — co-author of the 1990 study this entire question chain is trying to verify; Professor Emeritus of Sociology, University of Washington. The older, foundational figure this capture (and Cameron's 2005 paper) measures its claims against, not yet an entity in the vault.
- Howard Schuman — person — the study's other co-author, corrected here from "Herman Schuman"; University of Michigan survey researcher (1928-2021), directed the Institute for Social Research's Survey Research Center 1982-1990. Not yet an entity in the vault.
- Brian D. Cameron — person — already an entity ([[entity-brian-d-cameron]]); this capture adds a second confirmed footnote-attribution finding (endnote 55 → Garfield, not Hargens & Schuman) to the same paper already anchoring two other claim-notes.
- Eugene Garfield — person — already an entity ([[entity-eugene-garfield]]); flagged again because his own 1998 letter, not a Hargens & Schuman study, turns out to be the actual source of the "5,000 departments" figure -- a second, independent claim in this vault now resting on that same letter.