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placebo

substance or treatment of no therapeutic value
Event scientific_control Q269829
placebo
NIH, objects donated by Elaine and Arthur Shapiro · Public Domain · Wikimedia
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Summary

placebo is a scientific control[1]. placebo draws 7,379 Wikipedia views per month (scientific control category, ranking #1 of 1).[2]

Key Facts

  • Instance of: medication[3], medical treatment[4]
  • Subclass of: simulacrum[5], medical procedure[6]
  • Has use: double-blind clinical trial[7]
  • Commons category: Placebos[8]
  • Said to be the same as: sham comparator[9]
  • Has effect: placebo effect[10]
  • Different from: Placebo[11]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[12]
  • Maintained by WikiProject: WikiProject Pharmacology[13], WikiProject Psychology[14]
  • P14483: p/placebo[15]
  • P14541: 3S9dJ1[16]

Why It Matters

placebo has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[17] placebo is known by 59 alternative names across languages and contexts.[18]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] ↑ . Wikidata sitelinks. wikidata.org.
  3. [18] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). placebo. Retrieved October 14, 2026, from https://4ort.xyz/entity/placebo-q269829
MLA “placebo.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/placebo-q269829.
BibTeX @misc{4ortxyz_placebo-q269829_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{placebo}}, year = {2026}, url = {https://4ort.xyz/entity/placebo-q269829}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): placebo — https://4ort.xyz/entity/placebo-q269829 (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/placebo-q269829 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 21d ago · Treisijs · 2026-09-23 view diff on Wikidata ↗
    Maintained by wikiproject → WikiProject Pharmacology, WikiProject Psychology
    "/* wbsetclaim-create:2||1 */ Maintained by wikiproject: WikiProject Pharmacology"
  2. 25d ago · Charp238 · 2026-09-19 view diff on Wikidata ↗
    P14483 → p/placebo
    "/* wbsetclaim-create:2||1 */ P14483: p/placebo"
  3. 9w ago · Susmuffin · 2026-08-08 view diff on Wikidata ↗
    Harper's tag → placebo-medicine
    "/* wbsetclaim-create:1||1 */ Harper's tag: placebo-medicine, Matched to [[:toollabs:mix-n-match/#/entry/289950342|placebo medicine (#289950342)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harpe"
  4. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 3S9dJ1
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  5. 17w ago · MariuszRokin · 2026-06-12 view diff on Wikidata ↗
    Svkkl authority id → 0358680-placebo
    "/* wbcreateclaim-create:1| */ Svkkl authority id: 0358680-placebo, [[:toollabs:quickstatements/#/batch/259599|batch #259599]]"
  6. 21w ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Different from → Placebo
    Local thumb → —
    Subclass of → simulacrum, medical procedure
    Instance of → —
    + 8 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|13 */ Yso id: 5609, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.