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Failure-mode index

Search what already failed

A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.

21770 results · page 710 of 726

Negative / Null Result ReportOpen accessComputer Science

CogniPlay: a work-in-progress Human-like model for General Game Playing

Aloïs Rautureau, Éric Piette · 2025 · arXiv

While AI systems have equaled or surpassed human performance in a wide variety of games such as Chess, Go, or Dota 2, describing these systems as truly "human-like" remains far-fetched. Despite their success, they fail to replicate the pattern-based, intuitive decision-making processes observed in human cognition. This paper presents an overview of findings from cognitive psychology and previous efforts to model human-like behavior in artificial agents, discusses their applicability to General Game Playing (GGP) and introduces our work-in-progress model based on these observations: CogniPlay.

Abandoned Hypothesis

The Linear Non-Threshold Hypothesis-A Failed Concept

Joseph Bevelacqua · 2024 · Qeios

The linear non-threshold (LNT) hypothesis is based on the premise that the smallest amount of ionizing radiation produces a biological detriment. It implies that exposure to low-dose radiation be minimized. The LNT approach causes fear and…

View details →DOI: 10.32388/rdo6o0
Negative / Null Result ReportOpen accessMathematics

Bias and response heterogeneity in an air quality data set

S. Stanley Young, Robert L. Obenchain, Christophe Lambert · 2015 · arXiv

It is well-known that claims coming from observational studies often fail to replicate when rigorously re-tested. The technical problems include multiple testing, multiple modeling and bias. Any or all of these problems can give rise to claims that will fail to replicate. There is a need for statistical methods that are easily applied, are easy to understand, and are likely to give reliable results. In particular, simple ways for reducing the influence of bias are essential. In this paper, the Local Control method developed by Robert Obenchain is explicated using a small air quality/longevity

Negative / Null Result ReportOpen accessPhysics

3D Simulations of Plasma Filaments in the Scrape Off Layer: A Comparison with Models of Reduced Dimensionality

Luke Easy, Fulvio Militello, John Omotani et al. · 2014 · arXiv

This paper presents simulations of isolated 3D filaments in a slab geometry obtained using a 3D reduced fluid code. First, systematic scans were performed to investigate how the dynamics of a filament are affected by its amplitude, perpendicular size and parallel extent. The perpendicular size of the filament was found to have a strong influence on its motions, as it determined the relative importance of parallel currents to polarisation and viscous currents, whilst drift-wave instabilities were observed if the initial amplitude of the blob was increased sufficiently. Next, the 3D simulations

Negative / Null Result ReportOpen accessPhysics

Resonant amplitude distribution of the Hilda asteroids and the free-floating planet flyby scenario

Jian Li, Zhihong Jeff Xia, Hanlun Lei et al. · 2024 · arXiv

In some recent work, we provided a quantitative explanation for the number asymmetry of Jupiter Trojans by hypothesizing a free-floating planet (FFP) flyby into the Solar System. In support of that explanation, this paper examines the influence of the same FFP flyby on the Hilda asteroids, which orbit stably in the 3:2 mean motion resonance with Jupiter. The observed Hilda population exhibits two distinct resonant patterns: (1) a lack of Hildas with resonant amplitudes < 40 deg. at eccentricities < 0.1; (2) a nearly complete absence of Hildas with amplitudes < 20 deg., regardless of eccentrici

Negative / Null Result ReportOpen accessComputer Science

Augmenting Immersive Telepresence Experience with a Virtual Body

Nikunj Arora, Markku Suomalainen, Matti Pouke et al. · 2022 · arXiv

We propose augmenting immersive telepresence by adding a virtual body, representing the user's own arm motions, as realized through a head-mounted display and a 360-degree camera. Previous research has shown the effectiveness of having a virtual body in simulated environments; however, research on whether seeing one's own virtual arms increases presence or preference for the user in an immersive telepresence setup is limited. We conducted a study where a host introduced a research lab while participants wore a head-mounted display which allowed them to be telepresent at the host's physical loc

Failed Experiment Report

Toxic Recurrences

Kaitlyn Rabach · 2025 · Roadsides

In Donegal County, Ireland over 30,000+ homes are crumbling due to the failure and neglect of a self-regulated construction industry without a comprehensive independent audit system or inspection system. Over a decade of delayed…

View details →DOI: 10.26034/roadsides-202501309
Failed Experiment Report

Biología + electrónica: ¿es posible replicarnos? / Biology + electronics: can we replicate ourselves?

Zulma Janet Hernández-Paxtián · 2014 · RICS Revista Iberoamericana de las Ciencias de la Salud

La fascinación por replicar el funcionamiento del cuerpo humano, existe desde las primeras observaciones de Prometeo, Thévenot y Tremblay, es por ello, que el desarrollo de herramientas para tratar lesiones y enfermedades ha sido de los…

View details →DOI: 10.23913/rics.v1i1.12
Negative / Null Result ReportOpen accessComputer Science

Can Large Language Models (LLMs) Describe Pictures Like Children? A Comparative Corpus Study

Hanna Woloszyn, Benjamin Gagl · 2025 · arXiv

The role of large language models (LLMs) in education is increasing, yet little attention has been paid to whether LLM-generated text resembles child language. This study evaluates how LLMs replicate child-like language by comparing LLM-generated texts to a collection of German children's descriptions of picture stories. We generated two LLM-based corpora using the same picture stories and two prompt types: zero-shot and few-shot prompts specifying a general age from the children corpus. We conducted a comparative analysis across psycholinguistic text properties, including word frequency, lexi

Negative / Null Result Report

Attentional capture by real and illusory faces: a failure to replicate

Francesca Miti, Angela Ciaramidaro, Sandro Rubichi et al. · 2025 · Psychological Research

Abstract Evidence indicates that faces are rapidly detected and prioritized in visual processing due to their social relevance. Crucially, research has shown that faces capture attention even when they are task-irrelevant, suggesting the…

View details →DOI: 10.1007/s00426-025-02211-3
Failed Experiment Report

Surgical explantation of a failed transcatheter aortic valve

· 2021 · The Multimedia Manual of Cardio-Thoracic Surgery

With transcatheter aortic valve replacement being increasingly utilized in a younger and lower risk population, we can expect to see larger numbers of patients presenting with structural deterioration of aortic valves replaced by the…

View details →DOI: 10.1510/mmcts.2021.056
Negative / Null Result ReportOpen accessComputer Science

A Robot by Any Other Frame: Framing and Behaviour Influence Mind Perception in Virtual but not Real-World Environments

Sebastian Wallkotter, Rebecca Stower, Arvid Kappas et al. · 2020 · arXiv

Mind perception in robots has been an understudied construct in human-robot interaction (HRI) compared to similar concepts such as anthropomorphism and the intentional stance. In a series of three experiments, we identify two factors that could potentially influence mind perception and moral concern in robots: how the robot is introduced (framing), and how the robot acts (social behaviour). In the first two online experiments, we show that both framing and behaviour independently influence participants' mind perception. However, when we combined both variables in the following real-world exper

Negative / Null Result ReportOpen accessMathematics

Time to adjust: Improving replicability in experimental psychology by adjustment for evident selective inference

Yoav Zeevi, Sofi Astashenko, Liad Mudrik et al. · 2020 · arXiv

The field of psychological sciences has been grappling with the replicability crisis. Various issues have been identified as potential sources of this problem. We bring to light a potential source that has largely been overlooked and demonstrate its significant contribution to the problem: the practice of multiple comparisons. We analyzed 88 papers from the Reproducibility Project in Psychology and found that multiple results are commonly reported in a single paper, ranging from 4 to 730 (M=77.7), without multiple comparison adjustments. We retroactively applied such an adjustment using a hier

Negative / Null Result Report

Pitch-trained neural networks replicate properties of human pitch perception

Ray Gonzalez, Josh McDermott · 2017 · The Journal of the Acoustical Society of America

Pitch perception exhibits well-established dependencies on stimulus characteristics. In human listeners, pitch is predominantly determined by low-numbered harmonics that are believed to be resolved by the cochlea, but is also conveyed to a…

View details →DOI: 10.1121/1.4988458
Negative / Null Result ReportOpen accessEconomics, Econometrics and Finance

Affine term structure models : a time-changed approach with perfect fit to market curves

Cheikh Mbaye, Frédéric Vrins · 2019 · arXiv

We address the so-called calibration problem which consists of fitting in a tractable way a given model to a specified term structure like, e.g., yield or default probability curves. Time-homogeneous jump-diffusions like Vasicek or Cox-Ingersoll-Ross (possibly coupled with compounded Poisson jumps, JCIR), are tractable processes but have limited flexibility; they fail to replicate actual market curves. The deterministic shift extension of the latter (Hull-White or JCIR++) is a simple but yet efficient solution that is widely used by both academics and practitioners. However, the shift approach

Negative / Null Result Report

LLMs replicate metaphor norms based on word co-occurrence but struggle with topic-vehicle mappings

Laura Pissani, Mayank Jobanputra, Vera Demberg · 2026 · Frontiers in Language Sciences

Normed linguistic stimuli are fundamental in psycholinguistics because they capture lexical and semantic properties that influence comprehension. However, generating these norms at scale is challenging, often leading researchers to rely on…

View details →DOI: 10.3389/flang.2026.1756514
Negative / Null Result Report

COVID-19 significant effect on global international economic relations

Tariro Portia Tendengu, Fadzai Mahere · 2021 · International Journal of Health, Medicine and Nursing Practice

The purpose of this paper is to reach the augment of COVID-19 effects on international economic relations. The globe has become a cohesive economic community with interdependence being fuelled by rising economies and the need to exchange…

View details →DOI: 10.47941/ijhmnp.718
Negative / Null Result Report

Cystic fibrosis and physical activity: Is there a significant difference to healthy individuals?

Anika Jantzen, Miriam Opoku-Pare, Katharina Ruf et al. · 2014 · European Respiratory Journal

Introduction: Exercise and habitual physical activity are important components in the care of patients with cystic fibrosis (CF). Regular exercise and physical activity improve physical fitness, exercise tolerance, quality of life and…

View details →DOI: 10.1183/13993003/erj.44.suppl_58.p1971
Negative / Null Result Report

Extension of Fisher’s least significant difference method to multi-armed group-sequential response-adaptive designs

Wenyu Liu, D Stephen Coad · 2025 · Statistical Methods in Medical Research

Multi-armed multi-stage designs evaluate experimental treatments using a control arm at interim analyses. Incorporating response-adaptive randomisation in these designs allows early stopping, faster treatment selection and more patients to…

View details →DOI: 10.1177/09622802251319896
Negative / Null Result Report

STUDY OF SIGNIFICANT DIFFERENCE CONSIDERING PERSONAL TUITION AND PARENTAL CARE IN RELATION TO ACHIEVEMENT AND ATTITUDE TOWARDS ENGLISH AMONG SENIOR SECONDARY STUDENTS

Wangnen Lampa, Geyin Boli, Boa Reena Tok · 2024 · GLOBAL JOURNAL FOR RESEARCH ANALYSIS

The present study focuses on nding out how senior secondary students of Tirap district, Arunachal Pradesh, India are performing in English and to nd out the signicant difference in the attitude and achievement levels of these students…

View details →DOI: 10.36106/gjra/4003742
Negative / Null Result Report

Infundibular “Spasm” Masquerading as Failed Balloon Pulmonary Valvuloplasty in an Infant and its Dramatic Response to Beta Blocker

Shyamajit Samaddar · 2021 · Open Access Journal of Cardiology

A 3-month-old infant with severe valvular PS showed significant dynamic infundibular obstruction which masqueraded as residual PS following Balloon Pulmonary Valvuloplasty (BPV). The obstruction responded dramatically to intravenous…

View details →DOI: 10.23880/oajc-16000159
Negative / Null Result ReportOpen accessComputer Science

Search for anisotropic effects of hcp solid helium on optical lines of cesium impurities

Mathieu Melich, Jacques Dupont-Roc, Philippe Jacquier · 2007 · arXiv

The anisotropic effect of a hcp 4He solid matrix on cesium atoms has been proposed as a tool to reveal the parity violating anapole moment of its nucleus. It should also result in splitting the D2 optical excitation line in a way depending on the light polarization. An experimental investigation has been set up using oriented hcp helium crystals in which cesium metal grains are embedded. Atoms are created by laser sputtering from this grains. Optical absorption spectra of the D2 line have been recorded in the temperature range of 1.0 to 1.4 K at liquid/solid coexistence pressure by monitoring

Negative / Null Result Report

Does the Nonweightbearing Foot Position Replicate the Neutral Calcaneal Stance Position in an Adult Population?

Hayley Walker, Rolf Scharfbillig, Sara Jones · 2021 · Journal of the American Podiatric Medical Association

Background The neutral calcaneal stance position (NCSP), despite its known issues, is currently used as an “ideal” measure compared with the resting stance position in clinical podiatric medicine. The nonweightbearing (NWB) foot position,…

View details →DOI: 10.7547/19-133