Claim analyzed

Science

“Post-purchase dissonance significantly mediates the relationship between fear of missing out (FoMO) and order cancellation intention, with impulsive buying acting as a catalyst that transforms FoMO into post-purchase cognitive dissonance.”

The conclusion

Reviewed by Vicky Dodeva, editor · Apr 13, 2026
Misleading
4/10

The claimed mediation chain from FoMO through post-purchase dissonance to order cancellation intention is not supported as a tested model by any cited peer-reviewed study. While academic research does link FoMO to impulsive buying and impulsive buying to post-purchase cognitive dissonance, no source in the evidence base measures or tests "order cancellation intention" as an outcome. The final link relies on a practitioner blog equating returns with cancellation—a different construct. The claim presents a plausible but unverified synthesis as an established finding.

Based on 12 sources: 5 supporting, 1 refuting, 6 neutral.

Caveats

  • No cited peer-reviewed study measures or tests 'order cancellation intention' as an outcome in a FoMO mediation model—the claim's central endpoint is unsupported.
  • The claim stitches together separate findings from different studies into a single causal chain that no individual study has confirmed, committing a composition fallacy.
  • The characterization of impulsive buying as a 'catalyst that transforms FoMO into post-purchase cognitive dissonance' implies a formally tested mechanism that does not appear in the available evidence.

Sources

Sources used in the analysis

#1
IDEAS/RePEc 2025-03-27 | The effect of price discount, FOMO, pay later on impulse buying and cognitive dissonance post-purchase in commerce shopping among the millennial generation - IDEAS/RePEc
SUPPORT

The study confirmed that price discounts and FOMO significantly influence consumers to buy impulsively, while the pay-later option also contributes to increasing the frequency of purchases. However, high impulse buying is associated with increased post-purchase cognitive dissonance, where consumers experience discomfort and regret after purchasing.

#2
DergiPark 2023-01-01 | DID FEAR OF MISSING OUT TRIGGER PANIC BUYING BEHAVIOR ...
SUPPORT

The results reveal that fear of missing out and panic buying both have a significant positive influence on cognitive dissonance. Also, partial mediation impact of panic buying on the relationship between fear of missing out and cognitive dissonance is empirically suggested.

#3
PubMed Central 2024-04-15 | The effect of event impact on fear of missing out: the chain mediation ...
NEUTRAL

The impact of event could predict the fear of missing out positively. A chain mediation effect of coping style and anxiety is observed in the path from hyperarousal and avoidance to the fear of missing out.

#4
PubMed Central 2025-03-20 | Fear of missing out, social media influencers, and the ... - PMC - NIH
NEUTRAL

Previous researchers in the area of communication technology and mental health have consistently found that individuals with higher levels of FoMO are more likely to have social media addictions. Fear and anxiety about missing out on socially interactive events and experiences has been related to more frequent use of social network.

#5
Digital Commons @ FIU 2018-12-01 | How the Fear of Missing Out Drives Consumer Purchase Decisions
NEUTRAL

This research focuses on consumers’ experiential purchase decisions motivated by the fear of missing out (FOMO). The results demonstrate that purchase intent is higher when participants imagine that their close friends (i.e., strong ties) will attend, an effect mediated by FOMO and anticipated regret.

#6
Digital Commons @ Georgia Southern 2018-05-01 | #FOMO: How the Fear of Missing Out Drives Consumer Purchase ...
NEUTRAL

The results of two empirical studies showed that purchase intent is higher when participants imagined that their close, rather than their distant, social group... anticipated feeling higher levels of FOMO when a close social group... which in turn lead to higher purchase intentions.

#7
Semantic Scholar Effect of FOMO and Hedonic Value on Impulsive Buying and Post-Purchase Regret
NEUTRAL

Effect of FOMO and Hedonic Value on Impulsive Buying and Post-Purchase Regret. CAUGHT IN THE SCROLL: WHEN FOMO, SOCIAL MEDIA ADDICTION, AND SOCIAL ANXIETY LEAD TO IMPULSIVE BUYING AND POST PURCHASE REGRET AMONG GEN Z.

#8
EconJournals.com View of Scarcity Cues, Payment Convenience, and FOMO: Their Roles in Online Impulsive Buying and Post-Purchase Cognitive Dissonance - EconJournals.com
NEUTRAL

The title of this academic article is 'Scarcity Cues, Payment Convenience, and FOMO: Their Roles in Online Impulsive Buying and Post-Purchase Cognitive Dissonance,' indicating a direct investigation into the relationships between these variables.

#9
RJOAS 2025-05-15 | THE ROLE OF FEAR OF MISSING OUT IN MEDIATING THE EFFECT OF SCARCITY AND HEDONIC SHOPPING VALUE ON IMPULSIVE BUYING Kusna - RJOAS
SUPPORT

Mediation analysis confirms that FoMO acts as a partial mediator in the relationship between scarcity and impulsive buying, as well as hedonic shopping value and impulsive buying. The results of this study also show a positive and significant effect on the relationship between fear of missing out and impulsive buying.

#10
Sciety 2025-09-06 | Fear of Missing Out (FoMO) and Its Role for Consumer Decision-Making and Post-Decision Outcomes | Sciety
SUPPORT

Study 2 confirmed these associations, additionally linking FoMO to decision difficulty, the perceived attractiveness of unchosen options, and post-decision regret. The article advances knowledge on the consequences of trait fear of missing out for consumer decision-making.

#11
Return Prime 2026-02-08 | Post-Purchase Dissonance: A Complete Guide - Return Prime
SUPPORT

Many times, customers act on impulse, whether due to external pressure or marketing tactics, and end up regretting their decisions. Without time to reflect or evaluate, these spontaneous purchases often lead to dissonance when the excitement wears off. This emotional tension can lead to returns, dissatisfaction, and even a loss of future business.

#12
LLM Background Knowledge Established Psychological Models on FoMO and Consumer Behavior
REFUTE

In consumer psychology literature, FoMO is empirically linked to impulsive buying and purchase intentions for experiential products, often mediated by anticipated regret rather than post-purchase cognitive dissonance. No widely cited peer-reviewed studies directly confirm post-purchase dissonance mediating FoMO to order cancellation with impulsive buying as a catalyst; closest models involve pre-purchase mediation.

Full Analysis

Expert review

How each expert evaluated the evidence and arguments

Expert 1 — The Logic Examiner

Focus: Inferential Soundness & Fallacies
Misleading
5/10

Sources 1 and 2 support links of FoMO→impulsive/panic buying and (impulsive/panic buying and/or FoMO)→post-purchase cognitive dissonance, but none of the cited studies establish (or even measure) the specific downstream outcome “order cancellation intention,” so the step from dissonance/regret to cancellation-intention is an added premise mainly inferred from a non-academic analogy to returns in Source 11 rather than demonstrated evidence. Because the claim asserts a specific significant mediation model (FoMO→post-purchase dissonance→cancellation intention) with impulsive buying as a catalyst, and the evidence only partially covers earlier links while missing the key endpoint and mediation test, the conclusion overreaches and is therefore misleading rather than proven true.

Logical fallacies

Composition fallacy / chain stitching: combining separate findings (FoMO→impulse, impulse→dissonance, dissonance→returns) into a single specific mediation-to-cancellation model that no source directly tests.Scope shift / proxy substitution: treating “returns” (Source 11) as a close proxy for “order cancellation intention,” which is a different construct and timing, without evidence of equivalence.Overclaiming causality: evidence described as associations/partial mediation for different variables is used to assert a specific, significant mediation mechanism with a 'catalyst' role.
Confidence: 8/10

Expert 2 — The Context Analyst

Focus: Completeness & Framing
False
3/10

The claim asserts a specific, statistically tested mediation model ending in “order cancellation intention,” but the provided studies mainly cover FoMO→impulsive/panic buying→post-purchase cognitive dissonance/regret (Sources 1–2) and do not actually measure or test cancellation intention; the only cancellation/return linkage is a non-peer-reviewed practitioner blog generalizing from dissonance to returns (Source 11), which is not equivalent to an empirically demonstrated mediation effect. With the missing outcome variable and the “catalyst/transforms” framing overstating what the cited evidence directly establishes, the overall impression (that this full mediation chain is confirmed) is effectively false on completeness grounds despite partial support for earlier links in the chain (Sources 1–2, 10).

Missing context

No cited source in the pool directly measures or tests 'order cancellation intention' as an outcome in a FoMO→(impulsive buying)→post-purchase dissonance mediation model.Evidence supports FoMO's association with impulsive/panic buying and with cognitive dissonance/regret, but not that post-purchase dissonance mediates FoMO to cancellation specifically (Sources 1–2, 10).The 'impulsive buying as a catalyst that transforms FoMO into post-purchase cognitive dissonance' wording implies a specific moderated/mediated mechanism that the cited snippets do not show was formally tested (Sources 1–2).The only explicit link from post-purchase dissonance to reversal behaviors (returns/cancellations) is from a practitioner blog, not peer-reviewed evidence, and returns are not the same construct as order-cancellation intention (Source 11).
Confidence: 8/10

Expert 3 — The Source Auditor

Focus: Source Reliability & Independence
Misleading
5/10

The most reliable items here are the peer-reviewed/archived academic papers (Source 1, IDEAS/RePEc; Source 2, DergiPark) which support FoMO→impulsive/panic buying and impulsive/panic buying→post-purchase cognitive dissonance (with partial mediation in Source 2), but none of the high-authority sources in the pool measure or confirm the specific outcome “order cancellation intention” or a tested mediation of FoMO→cancellation via post-purchase dissonance; Source 11 (Return Prime) is a non-peer-reviewed marketing/practitioner blog and cannot credibly supply that missing link. Therefore, based on what trustworthy independent evidence actually demonstrates, the claim overreaches beyond the evidence (it's at best a plausible synthesis, not an empirically confirmed mediation to cancellation intention).

Weakest sources

Source 11 (Return Prime) is a practitioner/marketing blog with clear commercial incentives and no peer-reviewed empirical design, so it is weak support for a specific causal/mediation claim about cancellation intention.Source 12 (LLM Background Knowledge) is not an independent citable source and should not be treated as evidence (even if its summary may be directionally plausible).Source 8 (EconJournals.com) and Source 9 (RJOAS) appear to be lower-selectivity outlets/unclear peer-review rigor and provide limited verifiable detail from the snippets, so they carry less weight for a precise mediation claim.Source 10 (Sciety) is an aggregator/preprint listing rather than a definitive peer-reviewed publication record, so its claims need confirmation from the underlying published article.
Confidence: 6/10

Expert summary

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The claim is
Misleading
4/10
Confidence: 7/10 Spread: 2 pts

The arguments

Two AI advocates debated this claim using the research gathered.

Argument for

P
Proponent Argues TRUE

Multiple independent empirical studies support the proposed causal chain: FoMO increases impulsive/panic buying, which in turn elevates post-purchase cognitive dissonance/regret—shown directly by FoMO→impulse buying and impulse buying→post-purchase cognitive dissonance in millennial e-commerce (Source 1, IDEAS/RePEc) and by FoMO→cognitive dissonance with partial mediation via panic buying (a close analogue of impulsive buying) (Source 2, DergiPark), alongside corroborating work linking FoMO to post-decision regret (Source 10, Sciety). Since post-purchase cognitive dissonance is a well-established driver of reversal behaviors like returns/cancellations and is amplified by impulsive purchases (Source 11, Return Prime), it follows that post-purchase dissonance significantly mediates FoMO's effect on order-cancellation intention, with impulsive buying functioning as the catalyst that converts FoMO-induced urgency into dissonant post-purchase evaluation (Sources 1, 2, 11).

O
Opponent Rebuttal

Your argument commits a textbook logical fallacy of composition — you stitch together separate empirical findings from Sources 1, 2, and 11 into a unified causal chain that none of those sources individually establish, particularly the critical final link connecting post-purchase dissonance to order cancellation intention specifically, which remains entirely absent from every source in the brief. Furthermore, your reliance on Source 11 (Return Prime) — a practitioner blog, not a peer-reviewed study — to assert that post-purchase dissonance drives cancellations is especially weak, and Source 12 explicitly refutes your chain by confirming that no widely cited peer-reviewed studies directly confirm post-purchase dissonance mediating FoMO to order cancellation, exposing your "it follows that" inference as an unsupported extrapolation, not empirical evidence.

Argument against

O
Opponent Argues FALSE

The claim's specific causal chain — that post-purchase dissonance significantly mediates FoMO and order cancellation intention with impulsive buying as a catalyst — is not directly confirmed by any source in the brief; Source 12 explicitly states that no widely cited peer-reviewed studies confirm post-purchase dissonance mediating FoMO to order cancellation, with the closest models involving pre-purchase mediation rather than post-purchase outcomes. Furthermore, while Source 2 suggests only partial mediation of panic buying between FoMO and cognitive dissonance, and Source 1 links impulse buying to post-purchase dissonance without connecting it to order cancellation intention, the precise mechanistic claim of impulsive buying acting as a "catalyst that transforms FoMO into post-purchase cognitive dissonance" leading to cancellation remains an unsupported extrapolation beyond what the evidence actually demonstrates.

P
Proponent Rebuttal

You're treating Source 12 (explicitly labeled “LLM Background Knowledge”) as if it outweighs the brief's empirical findings, but the peer-reviewed studies in Source 1 (IDEAS/RePEc) and Source 2 (DergiPark) directly establish the core transformation you deny—FoMO increases impulsive/panic buying and cognitive dissonance, and higher impulsive buying is associated with higher post-purchase cognitive dissonance—so calling the “catalyst” link “unsupported” is a misread of what those results imply. And your “no direct order-cancellation measure” objection is a red herring: the motion is about cancellation intention being mediated by post-purchase dissonance, and Source 11 (Return Prime) explicitly connects post-purchase dissonance from impulse purchases to reversal behaviors like returns (a close behavioral proxy for cancellation), making the FoMO→impulse→dissonance→cancellation-intention pathway a grounded, evidence-consistent inference rather than an extrapolation.

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