Within Mass Sightings
Why crowds remember UFO sightings together
Crowds can witness the same real stimulus while also borrowing details from each other as the event unfolds.
On this page
- The difference between shared viewing and independent testimony
- How labels and comments reshape what witnesses report
- Ways investigators preserve early accounts before stories merge
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Introduction
Mass UFO sightings often seem more persuasive than lone reports because many people claim to have seen the same thing. Yet a crowd can produce a powerful shared memory even when individual witnesses did not observe exactly the same details. The key distinction is between a shared stimulus and a shared recollection. A group may genuinely witness the same light, aircraft, balloon, satellite train or atmospheric effect, but the story that develops afterwards can become more uniform than the original observations. Research on eyewitness memory shows that people frequently absorb details from one another during discussions, news coverage and later retellings, sometimes without realising that those details came from someone else rather than from their own experience. Noba [Abertay University]rke.abertay.ac.ukmemory conformity can eyewitnesses influence each others memoriesAbertay UniversityMemory conformity: can eyewitnesses influence each…by F Gabbert · 2003 · Cited by 630 — The current study investigat…
For investigators studying identified flying objects (IFOs) and other explanations for UFO reports, this matters because witness agreement is not the same thing as witness independence. A crowd can strengthen evidence that something unusual was visible, while simultaneously making it harder to determine exactly what each person originally saw. [Aberdeen Research Portal]abdn.elsevierpure.comfrom the archive memory conformity can eyewitnesses influence eacAberdeen Research PortalCan eyewitnesses influence each other's memories for an…by F Gabbert · 2011 — This paper established a new dir…
The difference between shared viewing and independent testimony
When hundreds of people look at the same object in the sky, they are sharing a viewing experience. That does not mean they all perceive identical features.
Sky observations are especially vulnerable to ambiguity. Distance, size, speed and direction are often difficult to judge because observers lack reference points. One witness may notice brightness, another movement, another colour changes. Initial accounts can therefore differ considerably even when everyone is watching the same object.
The crucial question is what happens next. If witnesses discuss the event immediately, hear local rumours or consume media reports before giving statements, their accounts can begin to converge. Psychologists refer to this process as memory conformity. Studies have repeatedly shown that people can later report details acquired from other witnesses rather than from their own observation. In one influential line of research, witnesses who discussed an event often incorporated information seen only by another observer into their own recollections. [Abertay University]rke.abertay.ac.ukmemory conformity can eyewitnesses influence each others memoriesAbertay UniversityMemory conformity: can eyewitnesses influence each…by F Gabbert · 2003 · Cited by 630 — The current study investigat…
This creates a common misunderstanding in UFO cases. A later collection of highly similar testimonies may appear to show strong corroboration, when in reality the similarity emerged after witnesses exchanged information. The crowd is not necessarily inventing an event. Rather, independent memories are gradually transformed into a shared narrative. [Digital Commons]digitalcommons.unl.eduPeople's memory can be influenced by information encountered after an inci-.Read more… [Hodder Education Magazines]magazines.hachettelearning.comHodder Education Magazines Post-event discussionmemory reports become similar to one another's. This phenomenon is typically referred to as memory conformity. It occurs because people a…
How labels and comments reshape what witnesses report
The mechanism is not simply copying. Human memory is reconstructive rather than a perfect recording.
When a person in a crowd says, “It looks triangular,” that comment provides a framework for interpreting an ambiguous sight. Other observers may begin paying attention to arrangements of lights that fit the description. Later, some may sincerely remember having seen a triangle even if their original impression was less definite. Similar effects occur with claims such as:
- “It changed direction suddenly.”
- “There were three lights.”
- “It hovered silently.”
- “It was following us.”
These descriptions can become anchors around which memories are rebuilt. Research on the misinformation effect has shown that post-event information can alter later recall, sometimes increasing confidence as well as changing details. Witnesses often cannot reliably distinguish between what they directly observed and what they learned afterwards. Noba [BPS Psych Hub]bpspsychub.onlinelibrary.wiley.comBPS Psych Hub The history of an idea: The misinformation effectBPS Psych HubThe history of an idea: The misinformation effect - Loftus24 Dec 2025 — The reconstructive nature of memory allows witnesses…
Another factor is social influence. People tend to trust witnesses who appear confident or who speak first. Experimental work on co-witness discussions has found that information introduced during conversations can spread through a group, with certain participants exerting disproportionate influence on others’ recollections. [Semantic Scholar]semanticscholar.orgSemantic ScholarMemory conformity: Can eyewitnesses influence each…Jul 1, 2003 — The most striking finding was that the witness initia… [psychreg]pjp.psychreg.orgMorgan et al., 2013), such that some witnesses will recall…Read more… Journal of Psychology
This helps explain why some mass UFO reports develop a remarkably consistent set of details over time. Consistency may reflect genuine observation, but it may also reflect the normal human tendency to align memories through discussion and storytelling. Investigators therefore treat consistency and independence as separate questions rather than assuming one proves the other. [Digital Commons]digitalcommons.unl.eduPeople's memory can be influenced by information encountered after an inci-.Read more…
Why shared memories can feel especially convincing
A crowd-generated memory often carries emotional weight because it is reinforced socially.
If dozens of people recall the same feature, each individual receives confirmation that their memory is accurate. This can increase confidence even when the shared detail originated from post-event discussion rather than direct observation. Studies of eyewitness memory show that confidence and accuracy do not always rise together. People can become more certain of a memory that has been reshaped through social influence. PMC [Taylor & Francis Online]tandfonline.comThere was no difference in memory…Read more…
Mass UFO cases frequently acquire additional layers over time:
- Witnesses discuss the event.
- Journalists summarise accounts.
- Books, documentaries or websites repeat the most dramatic elements.
- Later witnesses encounter these retellings.
- The collective narrative becomes more stable and detailed.
As this process unfolds, distinguishing original observations from later additions becomes increasingly difficult. The resulting memory can be genuinely shared while still being partly constructed through social exchange. [Hodder Education Magazines]magazines.hachettelearning.comHodder Education Magazines Post-event discussionmemory reports become similar to one another's. This phenomenon is typically referred to as memory conformity. It occurs because people a… [Goldsmiths, University of London]sites.gold.ac.ukGoldsmiths, University of London Memory conformity between eyewitnessesIt occurs because people accept, and later report, information that is suggested to them in the…
Ways investigators preserve early accounts before stories merge
Because memory contamination is a well-established phenomenon, investigators place great value on collecting testimony before witnesses influence one another.
Several practices help preserve independent evidence:
- Record statements quickly. Early accounts are generally closer to the original observation and less affected by discussion. [PMC]pmc.ncbi.nlm.nih.govPMCThe effects of perceived memory ability on memory conformity…by LA Monds · 2019 · Cited by 19 — The current study aimed to expand o…
- Separate witnesses when possible. Independent interviews make it easier to identify which details arose naturally and which spread through conversation. [Digital Commons]digitalcommons.unl.eduPeople's memory can be influenced by information encountered after an inci-.Read more…
- Document exact wording. Small differences between witnesses can reveal whether accounts developed independently. [Huddersfield Research Portal]pure.hud.ac.ukmemory conformity during co witness discussions issues and considHuddersfield Research PortalMemory conformity during co-witness discussionsby D Mojtahedi · 2020 — Witnesses can assist investigators by…
- Compare testimony with external records. Photographs, video, radar data, astronomical records, weather information and flight data provide checks that do not depend on memory.
- Track chronology. Knowing who first reported a detail and when it appeared can help distinguish observation from later narrative growth. [Semantic Scholar]semanticscholar.orgSemantic ScholarMemory conformity: Can eyewitnesses influence each…Jul 1, 2003 — The most striking finding was that the witness initia…
These methods do not assume that witnesses are dishonest. They recognise that memory is collaborative by nature. People often exchange information in good faith, yet those exchanges can change what they later believe they saw.
What crowd memory tells us about UFO reports
Crowd sightings demonstrate two things at once. First, they can confirm that a real stimulus was present and visible to many observers. Second, they can generate shared memories that become more uniform than the original experiences.
For UFO investigations, the most informative evidence is therefore not simply the number of witnesses but the degree to which their accounts remain independent. A large crowd may provide valuable data, yet the same social processes that spread awareness of an event can also blend separate recollections into a single, compelling story. Understanding that distinction helps explain why mass UFO reports can feel extraordinarily convincing even when some of their most memorable details emerged through collective memory rather than direct observation. [Abertay University]rke.abertay.ac.ukmemory conformity can eyewitnesses influence each others memoriesAbertay UniversityMemory conformity: can eyewitnesses influence each…by F Gabbert · 2003 · Cited by 630 — The current study investigat… [Noba]nobaproject.comNobaEyewitness Testimony and Memory BiasesHundreds of subsequent studies have demonstrated that memory can be contaminated by erroneous i…
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Further Reading
Books and field guides related to Why crowds remember UFO sightings together. Use these as the next step if you want deeper reading beyond the article.
Mistakes Were Made (but Not by Me) Third Edition
Explains how people reshape memories and beliefs.
Extraordinary Popular Delusions and the Madness of Crowds
Rating: 4.0/5 from 5 Google Books ratings
Explores how beliefs can spread through groups.
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Endnotes
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Link: https://www.pjp.psychreg.org/wp-content/uploads/4-2-1-7.mojtahedi.pdfSource snippet
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Source: pmc.ncbi.nlm.nih.gov
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Source: pmc.ncbi.nlm.nih.gov
Title: PMCOnline misinformation can distort witnesses’ memories
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Title: memory conformity can eyewitnesses influence each others memories
Link: https://rke.abertay.ac.uk/en/publications/memory-conformity-can-eyewitnesses-influence-each-others-memoriesSource snippet
Abertay UniversityMemory conformity: can eyewitnesses influence each...by F Gabbert · 2003 · Cited by 630 — The current study investigat...
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Source: digitalcommons.unl.edu
Link: https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1385&context=ajacourtreviewSource snippet
People's memory can be influenced by information encountered after an inci-.Read more...
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Title: from the archive memory conformity can eyewitnesses influence eac
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Aberdeen Research PortalCan eyewitnesses influence each other's memories for an...by F Gabbert · 2011 — This paper established a new dir...
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Title: Goldsmiths, University of London Memory conformity between eyewitnesses
Link: https://sites.gold.ac.uk/psychology/2020/05/22/memory-conformity-between-eyewitnesses/Source snippet
It occurs because people accept, and later report, information that is suggested to them in the...
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Title: Hodder Education Magazines Post-event discussion
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memory reports become similar to one another's. This phenomenon is typically referred to as memory conformity. It occurs because people a...
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Title: memory conformity during co witness discussions issues and consid
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Huddersfield Research PortalMemory conformity during co-witness discussionsby D Mojtahedi · 2020 — Witnesses can assist investigators by...
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There was no difference in memory...Read more...
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Misinformation effectThe misinformation effect occurs when a person's recall of episodic memories becomes less accurate because of pos...
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Title: Memory conformity
Link: https://en.wikipedia.org/wiki/Memory_conformitySource snippet
Memory conformityMemory conformity, also known as social contagion of memory, is the phenomenon where memories or information reported...
Additional References
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(PDF) Memory Conformity Between EyewitnessesWhen false details encountered during a discussion are later reported in our own recall, this...
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NobaEyewitness Testimony and Memory BiasesHundreds of subsequent studies have demonstrated that memory can be contaminated by erroneous i...
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Source: thedecisionlab.com
Link: https://thedecisionlab.com/reference-guide/psychology/the-misinformation-effectSource snippet
The Misinformation EffectThe misinformation effect happens when our memory for past events is altered after exposure to misleading inform...
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Title: WRAP eyewitness memory distortion following discussion countries Wade 2018
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[Mass Sightings]({{ 'mass-sightings/' | relative_url }}) | The Final Proof | Full Aliens DocumentaryMass alien sightings are one of the main phenomena of study in ufological matte...
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The Ruwa Encounter: The Day Schoolchildren Claimed...Mass UFO sighting in Westfall, 1966. Artist sketching based on witness' accounts. T...
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When the person was given misinformation this lowered accuracy, while presenting accurate...Read more...
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by M Kękuś · 2024 · Cited by 2 —... co-witness: the effects of misinformation on memory after collaborative discussion...). Memory con...
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This memory conformity effect has been shown in both free recall and recognition...Read more...
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Title: Written Testimony Shellenberger
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house.govWritten-Testimony-Shellenberger.pdf13 Nov 2023 — reduce the possibility of the Soviet taking advantage of UFO mass sightings for...
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