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.
20217 results in Negative / Null Result Report · page 183 of 674
Wayne Hall · 2013 · F1000Research
This article assesses the evidence for the hypothesis that a decline in all types of crime since the early 1990s in the USA was a consequence of removing lead from petrol between 1975 and 1985. It describes ecological and econometric…
Erling Håland, Ingrid Nyhus Moen, Esten N. Vandsemb et al. · 2022 · BMC Research Notes
Abstract Objective Multiple myeloma is a haematological malignancy characterized by proliferation of monoclonal plasma cells in the bone marrow. Development of resistance and minimal residual disease remain challenging in the treatment of…
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…
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…
Emily Moore, Wanda Gordon-Evans · 2022 · Veterinary Evidence
PICO question In dogs with acute gastroenteritis, is metronidazole faster, slower, or comparable in resolving clinical signs when compared to probiotic administration? Clinical bottom line Category of research question Treatment The number…
Itandehui Hernández-Aguilar, Luis Román Ramírez-Palacios, Consuelo Lorenzo et al. · 2024 · Therya Notes
The SARS-CoV-2 virus is the etiological agent of the 2019 coronavirus disease that caused the COVID-19 pandemic. This virus has achieved sustained transmission across human populations; however, since 2020, reverse zoonotic contagion…
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…
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…
Beverley M. Pullon, Stephen O. Brennan · 2017 · Thalassemia Reports
We report a second occurrence of hemoglobin (Hb) Tyne, [β5 (A2) Pro>Ser] HBB:c.16C>T(p.Pro6Ser), which like the first case was associated with normal hematology. We verified the variant was mildly unstable by showing it was greatly…
Frederick N. Numbisi · 2025 · Remote Sensing
The spatial distribution of ephemeral and perennial dryland plant species is increasingly modified and restricted by ever-changing climates and development expansion. At the interface of biodiversity conservation and developmental planning…
j j, j j · 2023 · GLOBAL BUSINESS FINANCE REVIEW
Purpose: This study examines the performance of Islamic and Conventional stock indices during the Covid-19 pandemic crises. The aim of the study is to find the existence of safe havens in Islamic stock indices. Design/methodology/approach:…
Linh Tu Ho, Christopher Gan, Wei Yang et al. · 2025 · Studies in Economics and Finance
Purpose The increase in demand for sustainable investments globally raises the question of benefits of investing in green bonds. A green label attracts investors because it represents less information asymmetry on green bonds with lower…
Sagar Kandel, Anup Muni Bajracharya, Laxmi Shrestha et al. · 2025 · Journal of Nepal Biotechnology Association
The global rise of multidrug-resistant (MDR) bacteria calls for different alternative antimicrobial strategies. Moringa oleifera, which is found to be rich in secondary metabolites compounds, has shown some antibacterial potential. This…
Pavan Reddy, Ilan Merdler, Cheng Zhang et al. · 2024 · Journal of the American Heart Association
Background Hemoglobin (Hgb) drop without bleeding is common among patients undergoing transcatheter aortic valve replacement; however, the clinical implications of significant Hgb drop have not been fully evaluated. Methods and Results…
Kazi Rakib Uddin, Shahid Uz Zaman, Krishnakant B. Budhavant et al. · 2025 · International Journal of Climatology
ABSTRACT In South Asia, our understanding of atmospheric aerosols and their optical properties is limited, posing a challenge to comprehending climate change dynamics. This study characterises aerosol optical properties, radiative…
Jacob H Schmidt, Bianca Hutton Chimes · 2023 · Journal of Applied Finance & Banking
Abstract Why are there so few women in finance and even fewer managing funds? There is a major discrepancy between the number of female and male fund managers worldwide. The aim of this paper is to ascertain if gender is a contributing…
E Angeli, A Reese-Petersen, A Gonzalez et al. · 2022 · European Heart Journal
Abstract Introduction Heart failure with preserved ejection fraction (HFpEF) is the most common type of heart failure, associated with high morbidity and mortality. Atrial fibrillation (AF) has been associated with structural remodelling…
Carina Seron, Betarmos Jr. Vicente, Melbert Hungo et al. · 2024 · Journal of Research, Policy & Practice of Teachers & Teacher Education
This study aimed to explore transformative shifts resulting from teacher evaluations. Employing a descriptive-narrative research design, sixteen teachers in Bontoc I and II districts, Southern Leyte, Philippines were purposively sampled…
Parag Gharde, Sourangshu Sarkar, Kalpana Irpachi et al. · 2020 · A&A Practice
Central venous catheterization is widely regarded as a safe procedure by anesthesiologists and intensivists, but insertion complications and catheter malposition remain challenges for the clinicians performing central venous catheter (CVC)…
Sanjay Chakraborty, Ibrahim Delibasoglu, Fredrik Heintz · 2026 · Artificial Intelligence Review
Abstract Large pre-trained models have demonstrated remarkable capabilities across domains, but their comparative effectiveness in time series forecasting, especially against smaller, efficient models, remains underexplored. This work…
Mariele De Paola, Anastasia Batsikosta, Luca Feci et al. · 2013 · Case Reports in Dermatological Medicine
We report a 60-year-old Caucasian female with a 2-year history of diffused granuloma annulare (GA), who presented for the simultaneous occurrence of genital lichen sclerosus (LS) and autoimmune thyroiditis (AT). In our opinion this…
Harvey C Freetly, Amanda K Lindholm-Perry, Andrew P Foote et al. · 2020 · Journal of Animal Science
Abstract Methane represents an energetic loss, and it has been proposed that its reduction may be associated with improved feed efficiency. Rumen methanogens produce most of the methane. Forty-nine crossbred heifers were individually fed a…
Marian Zaharia · 2024 · Journal of Research and Innovation for Sustainable Society
In Romania, especially at county level, school dropout rate in primary and secondary education, school dropout rate in high school and professional education, as well as unemployment rate, differ significantly from one county to another,…
Vedanth D. Krishnan, Niklas Gremke, André Hajek et al. · 2024 · Clinics and Practice
Purpose: The purpose of this study was to investigate a possible association between Herpes Zoster (HZ) and the subsequent diagnosis of breast cancer (BC). Methods: Utilizing the Disease Analyzer database, anonymized medical records from…
Victor Castaing, Simon Delacroix, Thierry Gacoin et al. · 2026 · Advanced Optical Materials
Abstract The design of advanced materials often reveals how apparent imperfections, such as structural defects or impurities, can be transformed into functional advantages. In insulating oxide matrices, the controlled introduction of…
Daniel Olvera-Posada, Shouzhe Lin, Ghaleb Aboalsamh et al. · 2017 · Canadian Urological Association Journal
Introduction: We sought to design a partial nephrectomy (PN) with contralateral total nephrectomy porcine model and assess the underlying mechanisms of ischemia reperfusion injury (IRI) after PN using a novel, clinically approved resection…
Fei Fang, Sitikantha Parida · 2025 · Journal of Risk and Financial Management
Sustainable investing has grown rapidly, but it remains unclear whether actively managed sustainable funds outperform passive ones. This study compares the performance of high-sustainable active U.S. equity mutual funds and their index…
Suhanyah Okeke, Justus Uchenna Onu, Ifeoma Nwabuogo Asimadu et al. · 2023 · Journal of the Nigerian Academy of Medicine
Background: Visual impairment (VI) presents a unique situation for adaptation with diverse socio-cultural and psychological consequences. However, the treatment of patients with visual impairment (PVI) in Nigeria is yet to embrace the…
Micheal Tadros, Dharma Ayer, Caesar Ferrari et al. · 2026 · Clinical Endoscopy
Background/Aims: Procedural duration has been proposed as a marker of esophagogastroduodenoscopy (EGD) quality; however, formal benchmarks remain undefined. This study examined the association between EGD duration and clinically…
Marjan Ghazvininejad, Kevin Knight · 2016 · Entropy
We provide an upper bound for the amount of information a human translator adds to an original text, i.e., how many bits of information we need to store a translation, given the original. We do this by creating a Bilingual Shannon Game…