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planning fallacy

concept in behavioral economics that predictions about how much time will be needed to complete a future task display an optimism bias and underestimate the time needed
Event cognitive_bias Q1637631
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planning fallacy

Summary

planning fallacy is a cognitive bias[1]. It draws 241 Wikipedia views per month (cognitive_bias category, ranking #21 of 95).[2]

Key Facts

  • planning fallacy's instance of is recorded as cognitive bias[3].
  • planning fallacy's part of is recorded as psychological terminology[4].
  • planning fallacy's Freebase ID is recorded as /m/03ndl9[5].
  • planning fallacy's facet of is recorded as project management estimation[6].
  • planning fallacy's Quora topic ID is recorded as Planning-Fallacy[7].
  • planning fallacy's Microsoft Academic ID is recorded as 2779840148[8].

Why It Matters

planning fallacy draws 241 Wikipedia views per month (cognitive_bias category, ranking #21 of 95).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[9] It is known by 3 alternative names across languages and contexts.[10]

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] ↑ . Freebase Data Dumps. wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . Quora. wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. wikidata.org.
  3. [10] ↑ . 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). planning fallacy. Retrieved May 3, 2026, from https://4ort.xyz/entity/planning-fallacy
MLA “planning fallacy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/planning-fallacy.
BibTeX @misc{4ortxyz_planning-fallacy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{planning fallacy}}, year = {2026}, url = {https://4ort.xyz/entity/planning-fallacy}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): planning fallacy — https://4ort.xyz/entity/planning-fallacy (retrieved 2026-05-03)

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