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 182 of 674
Sebnem Boduroglu, Rashid Bashir · 2023 · Geosciences
Surfactants (i.e., solutes that reduce the surface tension of water) exist in the subsurface either naturally or are introduced to the subsurface due to anthropogenic activities (e.g., agricultural purposes, environmental remediation…
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…
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…
Shawn N. Cummings, Brooke Duda, Rachel M. Theodore · 2025 · Autism Research
ABSTRACT Listeners accommodate rampant variability in speech input, at least in part, by adapting to structured phonetic variation. However, most work demonstrating this type of perceptual learning has focused on group‐level effects in…
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…
Marian Eide · 2013 · Novel
James Joyce's Ulysses is punctuated by bad jokes. While the novel is itself comedic, the scripted rhetoric of humor throughout the narrative fails, revealing fractures in an Irish community divided by shared colonial experience. Good jokes…
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…
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…
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.…
Michelle Van Der Wege, null null, null null et al. · 2020 · John Heinrichs Scholarly & Creative Activities Day
Background: Nursing education is constantly changing in order to meet the ever-changing needs of the nursing profession. Long gone are the days of lengthy lectures and rote memorization. In order to adequately meet the demands of the…
V Degerli, O Karcioglu, GL Larkin et al. · 2012 · Hong Kong Journal of Emergency Medicine
Objectives To determine the minimum clinically significant difference (MCSD) in visual analog scale (VAS) pain scores for acute non‐traumatic thoracoabdominal pain (TAP) in the emergency department (ED) and to determine its association…
E. Bogorodskaya, E. Belilovsky, A. Ilchenko et al. · 2022 · Tuberculosis and socially significant diseases
Introduction The purpose of this study was to assess the relationship between the value of tuberculosis notification rate in 2019-2022 with limiting measures associated with the COVID-19, a change in the legislative base of the stay of…
Anastasia S. Makeeva, Anton V. Sidorin, Valeriia V. Ishtuganova et al. · 2023 · Ecological genetics
Komagataella phaffii(Pichia pastoris) is known to be an excellent producer of recombinant proteins for industrial and research purposes. Protein synthesis improvement in this yeast includes selection of optimal cultivation parameters [1,…
Yang Xiao null, Wei Kang null, Qibin Ke null et al. · 2025 · American Journal of Clinical and Experimental Medicine
Background: The insertion depth of the bronchial blocker demands precise positioning and bronchoscopic confirmation. This study aims to investigate the parameters that influence the insertion depth of bronchial blockers in thoracic…
Ben Groebner, Jason D. Clark, Jeffrey D. Svedin et al. · 2024 · Agronomy Journal
Abstract Including soil health and physical measurements with traditional soil fertility measurements has the potential to improve corn ( Zea mays L.) P fertilizer recommendations. The objectives for this study were to (1) evaluate the…
Bita Anvari · 2023 · Current Rheumatology Reviews
Abstract: A randomised double blinded clinical trial about high dose immunosuppression in Paraquat self-poisoning was published by Professor I. Gawaramanna et al. Before their research, it seems that a little overestimation might be…
Maria Clara Pereira Pires, Ana Isabel Guerra Cantarinha · 2024 · Revista de Gestão Social e Ambiental
Objectives: The objective of this paper is to analyze the impact of issuing Green Bonds on the financial performance of European energy companies. This paper analyses the indebtedness of 30 European companies in the energy sector and…
Tuhin Mukherjee, Payel Mal, Abhay Kumar Upadhyay et al. · 2023 · Current Drug Therapy
Background: As the COVID era unfolds, researchers reveal that rapid changes in viral genetic material allow viruses to circumvent challenges triggered by the host immune system and resist anti-viral drugs, potentially leading to persistent…
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…
Jacob Foster, null null, null null et al. · 2023 · John Heinrichs Scholarly & Creative Activities Day
I analyze the relationship between income range and exercise level. The data that I have selected for this project was obtained from the Health Information National Trends Survey website. The specific question that the respondents were…
Brian Erly, Parker Jackson, Therese Pilonetti · 2023 · The Journal of School Nursing
During the 2020–2021 school year, many schools adopted remote learning or a part-time in-person learning (“hybrid”) approach to reduce the risk of in-school transmission of COVID-19. The purpose of this work is to describe case rates of…
Nining Handayani, Ayu Mulia Sundari, Tri Aprilliana et al. · 2024 · Middle East Fertility Society Journal
Abstract Purpose This study aimed to evaluate the effects of immature oocyte proportion in a cohort on both IVF laboratory and clinical outcomes. Materials and methods This retrospective cohort study took place at Morula IVF Jakarta Clinic…
Noah Lorincz-Comi, Yihe Yang, Jayakrishnan Ajayakumar et al. · 2024 · Bioinformatics Advances
Abstract Motivation Nearly two decades of genome-wide association studies (GWAS) have identify thousands of disease-associated genetic variants, but very few genes with evidence of causality. Recent methodological advances demonstrate that…
Rachel Loopstra, Ben Baumberg Geiger, Aaron Reeves · 2025 · Journal of Social Policy
Abstract This paper evaluates the UK Government’s decision to increase the main form of social security by £20 per week during the coronavirus disease 2019 (COVID-19) pandemic, exploring whether increasing the generosity of social security…
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…
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…
Astrid Eriksen, Marita Melhus, Bjarne Koster Jacobsen et al. · 2021 · Socialmedicinsk tidskrift
The aim of the study was to compare the level of mental distress of Sami and non-Sami residents in rural Sami core areas with that of people who have moved from these areas to cities in Norway. Previous research on mental health among the…
Ezra La Roi · 2020 · Philologia Classica
This paper traces the semantic and constructional development of the complement-taking verb εὑρίσκω ‘find’ from Homeric Greek to Post-Classical Greek. First, the paper details the semantic development of εὑρίσκω using characteristics such…
Nathan Rapport · 2022 · Physics Essays
Here we review Michelson‐Morley's original analysis of their interferometer experiment and discuss its use of optical distance. We derive a formula for transverse Doppler shift from geometric considerations, apply this to the…
Hye-Young Jung, Seiyoun Kim, Kira Ryskina · 2022 · Innovation in Aging
Abstract SNFists, physicians and advanced practitioners who focus their practice in nursing homes, have grown in prevalence in recent years. In this retrospective cohort study, we measured the role of nursing home adoption of SNFists in…