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Browse the failure-mode index

21,697 real negative results, null findings, and replication failures. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result Report

Oral melatonin did not reduce anxiety before elective hernia repair: A randomised, double‐blinded, placebo‐controlled trial

Mikkel Andreas Holm, Anders Gram‐Hanssen, Bennedikte Kollerup Madsen et al. · 2022 · Acta Anaesthesiologica Scandinavica

Abstract Background Preoperative anxiety is a common issue in surgery. Preoperative anxiety may lead to increased mortality, pain and dissatisfaction with surgery. Melatonin is a drug with only mild adverse effects and has previously been…

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Negative / Null Result Report

Did the COVID-19 Pandemic Reduce Attention to Environmental Issues?

Sari Verachtert, Dieter Stiers, Marc Hooghe · 2025 · Politics of the Low Countries

Theories on issue competition assume that there is only a limited number of issues that a person prioritises simultaneously. In this research note, we test this mechanism by using a panel study that was conducted among Belgian parents in…

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Negative / Null Result Report

DO WE REALLY HAVE ARCHAEOLOGICAL EVIDENCE FOR JEWISH GLADIATORS?

Haggai Olshanetsky · 2021 · JOURNAL OF ANCIENT HISTORY AND ARCHAEOLOGY

In the past, it has been suggested that Jews were both participants and spectators in the gladiatorial games. Yet, all the materials presented to prove the existence of Jewish gladiators seem to be less conclusive than what the authors…

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Failed Experiment Report

Gabriel's Failed Revolution of 1800: Causes and Prerequisites

Andrey Shumakov · 2023 · Izvestia of Smolensk State University

This work is devoted to a very little-studied topic of the Virginia Slave Conspiracy led by Gabriel and is the first study of this issue in Russian historiography. The present article analyzes in detail the causes and prerequisites of the…

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Negative / Null Result Report

Can Collective Action Institutions Outperform the State?

Max Harleman, Jeremy G. Weber · 2025 · Policy Studies Journal

ABSTRACT A core literature in the field of public policy seeks to understand whether decentralized collective action institutions will emerge to provide public goods. While some studies examine how they perform relative to public…

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Negative / Null Result Report

Repeated Annual Health Risk Assessments With Intervention Did Not Reduce 10-year Cardiovascular Disease Risk

Nceba Hene, Paola Wood, Martin Schwellnus et al. · 2021 · Journal of Occupational & Environmental Medicine

Objective: To determine if repeat annual health risk assessments (RAHRAs) with intervention reduce 10-year cardiovascular disease (CVD) risk in financial sector employees. Methods: Retrospective analysis from RAHRAs in 13,737 employees…

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Negative / Null Result Report

A Mismatched Group of Items That I Would Not Find Particularly Interesting: Challenges and Opportunities with Digital Exhibits and Collections Labels

Mikala Narlock, Anna Michelle Martinez-Montavon, Melissa Harden · 2022 · Evidence Based Library and Information Practice

Objective – The authors sought to identify link language that is user-friendly and sufficiently disambiguates between a digital collection and digital exhibit platform for users from a R1 institution, or a university with high research…

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Negative / Null Result Report

ARSIP DIGITAL UNTUK EFISIENSI PENGELOLAAN DAN PERCEPATAN PELAYANAN

Muhammad Refki Pranata · 2024 · SIGNIFICANT : Journal Of Research And Multidisciplinary

Pada penelitian ini penulis ingin menyampaikan digitalisasi arsip sangat berguna dalam mempercepat pengelolaan di suatu instansi pelayanan. Tujuan dari penulisan ini untuk memberitahu seberapa pentingnya digitalisasi saat ini. Metode…

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Negative / Null Result Report

Autopsy of a failed extension policy

Bradley “Peanut” McCoy · 2022 · The Physics Teacher

There is a challenge as an instructor to balance the tension between flexibility and accountability in assignment due dates. I have long used an extension policy in my classes out of a desire to give students some flexibility on due dates.…

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Negative / Null Result Report

Lack of significant difference between internal spermatic vein and brachial vein ischemia modified albumin levels in patients with varicocele

Yuksel Aliyazicioglu, Emin Ozbek, Levent Ozcan et al. · 2013 · Archivio Italiano di Urologia e Andrologia

Varicocele is the most common and surgically correctible cause of male infertility in men attending to infertility clinics. Infertility affects 15% of all couples and male factor is the primary or contributing cause in 40% to 60% of cases.…

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Negative / Null Result Report

The Role of Entrepreneur Characteristics and Entrepreneur Motivation has a significant effect on SMEs' Business Performance During Digital Era

Heri Erlangga, Yanti Purwanti, Tita Setiawati et al. · 2021 · International Journal of Artificial Intelligence Research

The purpose of this study was to analyze the relationship between Entrepreneur Characteristics and Business Performance variables, the relationship between entrepreneurial motivation variables and MSME business performance. In this study…

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Negative / Null Result Report

Detection of recurrent brain tumors in children: No significant difference in sensitivity between unenhanced and contrast-enhanced MRI

Yasmina Bouzidi, Emmanuel Barteau, Julien Lejeune et al. · 2019 · The Neuroradiology Journal

Background Magnetic resonance imaging (MRI) with a gadolinium injection is currently used in the follow-up of children in remission of cerebral tumors (CTs). Intracerebral gadolinium deposition has been recently reported with unknown…

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Negative / Null Result Report

Determining Outcomes in Patients With Large Vessel Occlusion and Mild Stroke Who Did or Did Not Receive Thrombolytics and/or Thrombectomy

Cleo Zarina A. Reyes, Ramiro Gabriel Castro-Apolo, Hope Kincaid et al. · 2024 · The Neurologist

Objectives: The utility of thrombolysis and/or thrombectomy in patients with mild stroke and large vessel occlusion (LVO) remains inconclusive. This retrospective study compared short-term and long-term outcomes in patients treated with…

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Negative / Null Result Report

Abstract P1-11-02: A comparison of models (physician, the Van Nuys prognostic index, the Memorial-Sloan-Kettering Cancer Center DCIS nomogram)to predict ipsilateral breast events in patients with ductal carcinoma in situ (DCIS) of the breast after breast-conserving surgery failed to replicate results of the oncotype DCIS recurrence score

C Leonard, R Lei, A Antell et al. · 2017 · Cancer Research

Abstract Purpose: To compare ipsilateral breast event (IBE) risks in patients with DCIS of the breast post-lumpectomy, as estimated by breast radiation oncologists, the Van Nuys Prognostic Index (VNPI) studies, the Memorial Sloan Kettering…

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Negative / Null Result Report

There is no significant difference in the treatment of aspiration pneumonia in dogs with ampicillin-sulbactam versus ampicillin-sulbactam and enrofloxacin

Cody I. Riffe, Justin A. Heinz, Carly A. Patterson et al. · 2025 · Journal of the American Veterinary Medical Association

Abstract Objective Describe outcomes for dogs with aspiration pneumonia (AP) initially treated with ampicillin-sulbactam (AS) alone (monotherapy [MT]), initially with AS and enrofloxacin (initial dual therapy [iDT]), or initially with AS…

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Negative / Null Result Report

Optimization of Tempering Process Parameters of AISI 3140 Low Alloy Steel to Conserve Furnace Energy using Tukey’s Honestly Significant Difference Test

SK Lakshmana Moorthy, S Rajaram, PC Santhosh Kumar · 2020 · IOP Conference Series: Earth and Environmental Science

Abstract Quenching and Tempering of AISI 3140 alloy steel is a necessary heat treatment process to attain desired hardness and toughness. However the tempering process consumes remarkable amount of energy in furnace. One of the usual…

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Negative / Null Result Report

‘My Contributions Made a Significant Difference’: Young Carers’ Reflections on Their Participation in Social Work Admissions

Andrea Newman, Bridgit Carey, Malcolm Kinney · 2021 · The British Journal of Social Work

Abstract Whilst the participation of service users and carers (SUCs) in Social Work admissions (SWAs) has significantly developed over the past decades, concerns have been raised about the tokenistic nature of SUC involvement (Barnes, D.,…

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