Within UFO Deadlines
Did Watching the UFO Believers Change Them?
Intrusive observers can alter the behaviour they hope to study, especially when a tiny prophecy group is surrounded by researchers and journalists.
On this page
- The observer effect problem
- Researchers and reporters inside the group
- How future case studies can reduce distortion
Page outline Jump by section
Introduction
Researchers and reporters can change the behaviour of the small UFO groups they are trying to observe. The risk is greatest when a handful of committed believers are awaiting a failed prediction while numerous outsiders enter their meetings, ask for explanations, display apparent interest and offer the group an audience. In that setting, observation is not merely passive: newcomers may alter the group’s size, social confidence, sense of importance and decisions about publicity.
This problem now sits at the centre of the best-known UFO prophecy case. When Prophecy Fails, the influential 1956 study of Dorothy Martin’s group, presented increased publicity after an unsuccessful flood-and-rescue prediction as evidence that disappointed believers sometimes defend their faith by recruiting others. Newly examined archival material, however, indicates that covert researchers were unusually numerous and sometimes actively intervened. The case therefore remains useful, but less as a clean demonstration of belief perseverance than as a warning about observer effects in tiny, high-commitment groups.[wiley.com]onlinelibrary.wiley.comOnline Library Debunking “When Prophecy Fails”Wiley Online LibraryDebunking “When Prophecy Fails” - Kelly - 2026by T Kelly · 2026 · Cited by 4 — Drawing on newly unsealed archival mat…
The observer effect problem
An observer effect occurs when people alter their conduct because they are being watched, questioned or joined by outsiders. This is sometimes called reactivity. It does not require participants to know that a formal study is taking place. They may simply respond to the apparent beliefs, confidence, curiosity or social status of the people around them.
In a large organisation, one additional visitor may have little influence. In a gathering of ten people, four newcomers can transform the social environment. The original account of Dorothy Martin’s group records one meeting on 14 December 1954 attended by ten group members and four observers. At some gatherings, later analysis suggests, covert researchers may have constituted roughly a third—and perhaps on occasion close to half—of the people present.[Internet Archive]ia802802.us.archive.orgFestinger Riecken Schachter When Prophecy Fails 1956Internet ArchiveFestinger Riecken Schachter When Prophecy Fails 1956.pdfTHE study reported in this volume grew out of some theoretical wo…
That numerical imbalance matters because several processes become difficult to separate:
- Apparent growth: researchers posing as believers can make a marginal movement look as though it is attracting converts.
- Artificial agreement: their attentive presence may reassure uncertain members that respected outsiders take the claims seriously.
- Demand for performance: reporters asking for statements can encourage leaders to issue clearer, more dramatic or more public declarations.
- Changed group cohesion: an influx of sympathetic-looking strangers can temporarily strengthen morale after a prediction fails.
- Selective survival: outsiders may spend most time with the most accessible or outspoken members, making them appear more representative than quieter people who withdraw.
The central difficulty is causal. When believers speak more confidently after a failed prediction, are they spontaneously resolving psychological conflict, responding to encouragement from supposed converts, defending themselves against hostile publicity, or performing for an audience that has suddenly made them newsworthy? The Martin case does not provide a reliable way to isolate those explanations.
This does not prove that cognitive dissonance—the discomfort created by conflicting beliefs and evidence—never affects failed-prophecy groups. It means that this particular episode cannot be treated as an uncontaminated test of what believers would have done without researchers and journalists surrounding them. Later studies of failed religious predictions have found varied outcomes, including persistence, little doctrinal change, fragmentation and the collapse of organised activity.[journalistsresource.org]journalistsresource.orgThe Journalist's Resource When prophecy fails: How religious groups copeThe Journalist's ResourceWhen prophecy fails: How religious groups copeJuly 6, 2011 — 6 Jul 2011 — Review of four academic studies lookin…
Researchers and reporters inside the group
The research team behind When Prophecy Fails used covert participant observation. Paid observers entered Martin’s circle while presenting themselves as people genuinely interested in flying saucers, spiritual messages and the predicted disaster. They attempted to attend important meetings, gain members’ trust and record events without revealing their research purpose.[Wikipedia]WikipediaWhen Prophecy FailsWhen Prophecy Fails
Covert observation was intended to prevent believers from consciously performing for known psychologists. Yet concealment did not make the observers socially invisible. They still talked, listened, asked questions, received confidences and occupied seats in a very small room. Their professed interest was itself information: it suggested that outsiders found the group’s ideas plausible or important enough to pursue.
The problem was intensified by the group’s belief system. Martin’s followers reportedly allowed for the possibility that extraterrestrial beings could appear in human form. An unfamiliar but unusually receptive newcomer could therefore acquire significance far beyond that of an ordinary visitor. A researcher who seemed knowledgeable, confident or spiritually sympathetic might be interpreted as a verifier, messenger or specially guided participant rather than a neutral stranger.[Wikipedia]WikipediaWhen Prophecy FailsWhen Prophecy Fails
From observation to intervention
Thomas Kelly’s archival reassessment, published online in November 2025 and in the Journal of the History of the Behavioral Sciences, makes a more serious allegation than simple reactivity. Drawing on previously unavailable research papers, Kelly argues that members of the team actively shaped episodes later presented as observations. His account describes fabricated psychic communications, covert manipulation and interference in a child-welfare investigation involving people connected to the group.[wiley.com]onlinelibrary.wiley.comOnline Library Debunking “When Prophecy Fails”She had been influenced by…
One especially important figure was co-author Henry Riecken. According to the archival evidence reported by Kelly and subsequently examined by The New Yorker, Riecken gained unusual standing among the believers and presented himself as an “earthly verifier” who needed to question members on behalf of the supposed extraterrestrial authorities. The archives also indicate that, during a moment of doubt after an expected event failed, he expressed renewed confidence in ways that may have reassured Martin before she produced a message explaining that the group’s spiritual activity had saved the world.[Gwern.net]gwern.netDebunking “When Prophecy Fails”Debunking “When Prophecy Fails”
If that reconstruction is correct, the researchers did not merely witness believers rationalising failure. A trusted infiltrator helped create the immediate social conditions in which the rationalisation emerged. The published sequence—failed prediction, distress, new revelation, revived confidence—may still describe what happened chronologically, but it no longer establishes that the process arose independently from the believers themselves.
Kelly also disputes the famous claim that the group moved from relative secrecy to energetic proselytising only after the prophecy failed. Archival evidence indicates that Dorothy Martin and Charles Laughead had already pursued publicity: they had written for specialist publications, circulated material and attracted newspaper attention before the deadline. The apparent post-failure reversal may therefore have been exaggerated by comparing incomplete descriptions of the group’s earlier activity with the highly visible press encounters that followed.[wiley.com]onlinelibrary.wiley.comOnline Library Debunking “When Prophecy Fails”Wiley Online LibraryDebunking “When Prophecy Fails” - Kelly - 2026by T Kelly · 2026 · Cited by 4 — Drawing on newly unsealed archival mat…
Reporters created a second audience
Journalistic attention introduced another form of intervention. Reporters repeatedly telephoned, sought interviews and pressed members to defend or clarify their prediction. On Christmas Eve, hundreds of spectators reportedly gathered outside Martin’s home while a further expected spacecraft arrival failed to occur. The group’s public conduct unfolded not in private isolation but amid reporters, police, neighbours and a crowd awaiting a spectacle.[The Atlantic]theatlantic.comThe Atlantic The Christmas the Aliens Didn't ComeThe Atlantic The Christmas the Aliens Didn't Come
Media pressure can push a small group in opposite directions. Members may retreat to avoid ridicule, or they may answer criticism with stronger declarations. Leaders may make new predictions because journalists demand a next step. Public scrutiny can also turn private uncertainty into a collective reputation problem: admitting error now means conceding defeat before neighbours, family members and a national audience.
For that reason, publicity after failure cannot automatically be interpreted as an attempt to recruit converts and reduce internal doubt. It may instead be defensive communication, crisis management or a response to outsiders who keep requesting statements. Earlier methodological critics had already warned that the press’s persistent questioning could have contributed to the very proselytising that the study treated as its principal finding.[Wikipedia]WikipediaWhen Prophecy FailsWhen Prophecy Fails
What can still be learned from the case?
The observer-effect criticism does not make every surviving detail worthless. Contemporary notes can still illuminate what particular people said, how explanations changed and how a prophecy crisis developed under intense public attention. The mistake is to move too quickly from that description to a universal psychological rule.
The strongest defensible conclusion is conditional: in a tiny UFO prophecy group, failure is processed through the social environment present at the deadline. That environment may include committed believers, wavering members, covert investigators, sympathetic newcomers, sceptical relatives, journalists and spectators. Each changes the pressures facing the others.
The case therefore supports several narrower insights:
Small numbers magnify every intervention. A few planted observers can alter the apparent balance between believers and doubters. Their enthusiasm may look like independent confirmation, particularly to members who do not know that the newcomers share an employer and research plan.
Attention can be mistaken for validation. Researchers and journalists may regard a prediction as implausible yet devote considerable effort to it because it offers a valuable story or study. Believers can interpret the same attention as evidence that their message is gaining recognition.
Public failure differs from private failure. A person reconsidering a belief quietly faces different costs from one being asked to explain it on camera, before strangers or in front of fellow adherents. Public questioning can produce defiance without indicating deeper private conviction.
Researchers can become authorities inside fluid belief systems. Where revelations are continually interpreted and newcomers may be assigned spiritual significance, an infiltrator’s remarks can be absorbed into the group’s decision-making. The distinction between observing doctrine and helping to create it can disappear rapidly.
A compelling theory can shape the record. The authors entered the field expecting certain highly committed believers to respond to disconfirmation through rationalisation and outreach. Kelly argues that contrary evidence—including earlier publicity and rapid abandonment by some members—was minimised or represented misleadingly. At a minimum, the episode shows why field notes, published narratives and theoretical conclusions must be distinguished from one another.[wiley.com]onlinelibrary.wiley.comOnline Library Debunking “When Prophecy Fails”Wiley Online LibraryDebunking “When Prophecy Fails” - Kelly - 2026by T Kelly · 2026 · Cited by 4 — Drawing on newly unsealed archival mat…
How future case studies can reduce distortion
Research into contemporary UFO prophecy groups remains possible, but the design must recognise that access itself can change the phenomenon. Modern ethical guidance generally treats informed consent as the norm and covert or deceptive observation as an exceptional method requiring strong justification and independent review. The British Sociological Association advises that undisclosed observation in non-public settings or manipulation without participants’ knowledge should be used only when essential information cannot be obtained through other methods. UK Research and Innovation similarly says covert research should be reserved for cases where no other approach is possible, it is crucial to the design, or overt observation would substantially alter what is being studied.[British Sociological Association]britsoc.co.ukOpen source on britsoc.co.uk.
A stronger UFO-prophecy study would use several safeguards.
- Keep observers proportionate to the group. One or two researchers should not become a major fraction of active attendance. When continuous coverage is impossible without flooding the group with observers, incomplete observation is less damaging than artificial membership.
- Separate observation from participation. Researchers should not endorse predictions, invent revelations, claim special spiritual authority or advise leaders how to respond when a deadline fails. Any unavoidable interaction should be logged as a possible intervention rather than silently treated as part of the group’s natural behaviour.
- Record the surrounding audience. Field notes should distinguish members, occasional visitors, researchers, journalists, spectators and people attracted by media coverage. Statements such as “the group became more active” are meaningless unless the changing composition of the group is documented.
- Establish the pre-failure baseline independently. Researchers should collect dated newsletters, letters, press releases, recordings and newspaper coverage from before the prediction. That reduces the risk of misclassifying longstanding outreach as a sudden reaction to failure.
- Track individual outcomes, not just the loudest survivors. A group can appear more committed because doubters leave while a vocal minority remains. Studies should document withdrawal, silence, private doubt and reduced participation alongside public declarations of faith.
- Preserve contradictory evidence. Research archives should retain field notes, coding decisions and accounts that challenge the final interpretation. Where privacy permits, later scholars should be able to test whether the published narrative omitted disconfirming material.
- Treat media exposure as a variable. Researchers should document the timing and volume of press contact, as well as whether public statements were volunteered or requested. A prediction failure watched by hundreds of spectators is not comparable to one discussed privately among five adherents.
- Use negotiated, continuing consent where possible. Consent in participant observation is not a single signature but an ongoing relationship, especially when a study moves from ordinary meetings into moments of distress, family conflict or legal risk. Current Oxford guidance describes consent in ethnographic research as negotiated and iterative, while requiring compelling justification and robust ethics review for covert or deceptive methods. Oxford University
The lasting lesson of the watched believers
The question is not whether Dorothy Martin’s flood and flying-saucer rescue prediction failed; it plainly did. The unresolved issue is how her followers would have responded had they not been surrounded by covert investigators, reporters and spectators.
The classic account offered a memorable sequence in which failed prophecy produced stronger conviction and public evangelism. The archival challenge shows that some of the apparent converts were researchers, some influential interactions were interventions, publicity existed before the failure, and the group largely dispersed soon afterwards. Brill+2Wiley Online Library
For the study of failed UFO predictions, this changes the emphasis. Researchers should not assume that a small group’s post-failure behaviour reveals a self-contained psychological mechanism. It may instead reveal a temporary system formed by believers and the people watching them. In groups this small, the observers are not outside the story. They can become part of the evidence they later claim to explain.
Amazon book picks
Further Reading
Books and field guides related to Did Watching the UFO Believers Change Them?. Use these as the next step if you want deeper reading beyond the article.
When Prophecy Fails
The study reported in this volume grew out of some theoretical work, one phase of which bore specifically on the behavior of individuals...
Covert Research: The Art, Politics and Ethics of Undercover F...
Undercover research is an emotive and controversial field often equated with deception and transgression. Using classic examples and cont...
Ethnography: Principles in Practice
Now in its third edition, this leading introduction to ethnography has been thoroughly updated and substantially rewritten. It offers a s...
Research Ethics in the Real World
Research ethics and integrity are growing in importance as academics face increasing pressure to win grants and publish, and universities...
eBay marketplace picks
Marketplace Samples
Live-tested eBay searches with available results related to this page.
Selected fromUFO history poster oneBay.co.uk.
Endnotes
1.
Source: onlinelibrary.wiley.com
Title: Online Library Debunking “When Prophecy Fails”
Link:https://onlinelibrary.wiley.com/doi/abs/10.1002/jhbs.70043
Source snippet
Wiley Online LibraryDebunking “When Prophecy Fails” - Kelly - 2026by T Kelly · 2026 · Cited by 4 — Drawing on newly unsealed archival mat...
2.
Source: ia802802.us.archive.org
Title: Festinger Riecken Schachter When Prophecy Fails 1956
Link:https://ia802802.us.archive.org/4/items/pdfy-eDNpDzTy_dR1b0iB/Festinger-Riecken-Schachter-When-Prophecy-Fails-1956.pdf
Source snippet
Internet ArchiveFestinger Riecken Schachter When Prophecy Fails 1956.pdfTHE study reported in this volume grew out of some theoretical wo...
3.
Source: brill.com
Link:https://brill.com/display/book/edcoll/9789004222687/B9789004222687-s006.pdf?srsltid=AfmBOorRgugdsX3Ujn46Yw_YWJu4Msd1qHZhVPM_H9ZlMG9UnHRyIY5z
Source snippet
chapter fourIn fact, as the epilogue of When Prophecy Fails recounts, the group “dispersed” within a week of the final prophetic dis...
4.
Source: Wikipedia
Title: When Prophecy Fails
Link:https://en.wikipedia.org/wiki/When_Prophecy_Fails
5.
Source: onlinelibrary.wiley.com
Title: Online Library Debunking “When Prophecy Fails”
Link:https://onlinelibrary.wiley.com/doi/10.1002/jhbs.70043
Source snippet
She had been influenced by...
6.
Source: gwern.net
Title: Debunking “When Prophecy Fails”
Link:https://gwern.net/doc/psychology/cognitive-bias/2025-kelly.pdf
7.
Source: gwern.net
Title: system prompts 2025
Link:https://gwern.net/system-prompts-2025
8.
Source: gwern.net
Title: ‘cognitive bias’ directory · Gwern.net
Link:https://gwern.net/doc/psychology/cognitive-bias/index
9.
Source: gwern.net
Title: Timing Technology: Lessons From The Media Lab · Gwern.net
Link:https://gwern.net/timing
10.
Source: gwern.net
Title: Methods of Rationality predictions · Gwern.net
Link:https://gwern.net/hpmor-prediction
11.
Source: gwern.net
Title: Dune notes · Gwern.net
Link:https://gwern.net/dune
12.
Source: gwern.net
Title: Neon Genesis Evangelion source anthology · Gwern.net
Link:https://gwern.net/otaku
13.
Source: gwern.net
Title: Prediction Markets · Gwern.net
Link:https://gwern.net/prediction-market
14.
Source: Wikipedia
Title: Dorothy Martin (spiritualist)
Link:https://en.wikipedia.org/wiki/Dorothy_Martin_%28spiritualist%29
15.
Source: gwern.net
Link:https://gwern.net/newsletter/2025/12
16.
Source: gwern.net
Link:https://gwern.net/doc/statistics/bias/index
17.
Source: gwern.net
Link:https://gwern.net/doc/philosophy/religion/index
18.
Source: gwern.net
Link:https://gwern.net/doc/rotten.com/library/religion/weeping-statues/index.html
19.
Source: gwern.net
Link:https://gwern.net/doc/statistics/decision/index
20.
Source: newyorker.com
Link:https://www.newyorker.com/culture/the-lede/is-cognitive-dissonance-actually-a-thing
Source snippet
The theory posits that people experience psychological discomfort when confronted with contradictions between their beliefs and behaviors...
21.
Source: journalistsresource.org
Title: The Journalist’s Resource When prophecy fails: How religious groups cope
Link:https://journalistsresource.org/home/prophecy-religion/
Source snippet
The Journalist's ResourceWhen prophecy fails: How religious groups copeJuly 6, 2011 — 6 Jul 2011 — Review of four academic studies lookin...
Published: July 6, 2011
22.
Source: pubmed.ncbi.nlm.nih.gov
Link:https://pubmed.ncbi.nlm.nih.gov/41186060/
23.
Source: theatlantic.com
Title: The Atlantic The Christmas the Aliens Didn’t Come
Link:https://www.theatlantic.com/health/archive/2015/12/the-christmas-the-aliens-didnt-come/421122/
24.
Source: journal.equinoxpub.com
Link:https://journal.equinoxpub.com/IJSNR/article/view/33085
25.
Source: britsoc.co.uk
Link:https://www.britsoc.co.uk/equality/issues-for-bsa-members/
27.
Source: britsoc.co.uk
Link:https://www.britsoc.co.uk/publications/ethics/
28.
Source: britsoc.co.uk
Title: ethics of digital research
Link:https://www.britsoc.co.uk/about/latest-news/2017/april/ethics-of-digital-research/
29.
Source: books.google.com
Title: When Prophecy Fails
Link:https://books.google.com/books/about/When_Prophecy_Fails.html?id=EsEVBAAAQBAJ
30.
Source: lboro.ac.uk
Link:https://www.lboro.ac.uk/internal/research-ethics-integrity/research-ethics/guidance-investigators/informed_consent/
31.
Source: people.uncw.edu
Link:https://people.uncw.edu/pricej/ethics.htm
Additional References
32.
Source: youtube.com
Title: 10 Doomsday Cults That Got It Wrong | When Prophecy Fails
Link:https://www.youtube.com/watch?v=5V6FmVS_Gr0
Source snippet
The When "When Prophecy Fails" Fails interview is directly relevant because it details recent archival findings on how covert researchers...
33.
Source: youtube.com
Title: Participant Observation (Research Method Explained)
Link:https://www.youtube.com/watch?v=S41hVIgF1WA
Source snippet
End of Days Cults, the Day After | Cognitive Dissonance (Video Essay)...
34.
Source: jstor.org
Link:https://www.jstor.org/stable/10.1525/nr.1999.3.1.60
Source snippet
When Prophecy Fails and Faith Persistsby LL Dawson · 1999 · Cited by 189 — The same reservation applies to van Fossen's even more sp...
35.
Source: linkedin.com
Link:https://www.linkedin.com/posts/thomas-kelly-38213a95_im-delighted-to-share-that-my-article-debunking-activity-7383952119764041728-ai10
36.
Source: researchgate.net
Link:https://www.researchgate.net/publication/48227711_The_Art_and_Politics_of_Covert_Research_Doing_Situated_Ethics%27_in_the_Field
37.
Source: readex.com
Link:https://www.readex.com/products/americas-historical-newspapers-periodicals
38.
Source: firstmonday.org
Link:https://firstmonday.org/ojs/index.php/fm/article/download/2051/1922?inline=1
39.
Source: practisingethics.org
Link:https://www.practisingethics.org/protocols
40.
Source: researchgate.net
Link:https://www.researchgate.net/publication/397254906_Debunking_When_Prophecy_Fails
41.
Source: ucl.ac.uk
Link:https://www.ucl.ac.uk/ioe/research/research-ethics/ethics-applications-ioe-staff/staff-ethics-application-guidance