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 174 of 674
Miki Okuno, Kentaro Matsuoka, Yuta Mochimaru et al. · 2025 · Molecular Biology and Evolution
Abstract The XX/XY sex chromosome system is highly conserved across mammals, with rare exceptions where males lack a Y chromosome. Among these is the genus Tokudaia, a group of spiny rats comprising three species with unique sex chromosome…
Barbara Stypińska, Marzena Olesińska, Andrzej Pawlik et al. · 2018 · Rheumatology
Objectives Rheumatoid arthritis (RA) is the most common systemic inflammatory disease and is of unknown etiology. The altered balance between immunosuppressive and inflammatory T cell subpopulations exerts a huge impact on RA pathogenesis.…
Adedeji Ajadi · 2024 · Business Performance Review
This study evaluates the risk-adjusted performance of equity mutual funds in Nigeria against the market benchmark and two alternative passive portfolios available to investors. Data on monthly net asset values (NAVs) of 30 actively…
Xiaoyi Shen, Albert K. Tsui, Zhaoyong Zhang · 2019 · Risks
The purpose of this study is to examine the volatility-timing performance of Singapore-based funds under the Central Provident Fund (CPF) Investment Scheme and non-CPF linked funds by taking into account the currency risk effect on…
Brenda Castillo-Brais, Ángel León, Juan Mora · 2022 · Mathematics
We assess Value-at-Risk (VaR) and Expected Shortfall (ES) estimates assuming different models for the standardized returns: distributions based on polynomial expansions such as Cornish-Fisher and Gram-Charlier, and well-known parametric…
Kevin J. Murphy, Oded Izraeli · 2019 · Social Science Quarterly
Objective We compare academic achievement in charter schools versus two types of traditional public school in the State of Michigan over a 10‐year period. Charter schools serve as a reform measure for failing public schools, so the natural…
Paula Apascaritei, Marta M. Elvira, María Rodríguez-García · 2024 · International Journal of Manpower
Purpose Resource orchestration theory proposes that firms need resources, capabilities, and horizontal and vertical alignment to achieve high performance. Thus, we investigate which combinations of horizontal fit of resources…
Soma Onishi, Masahiro Nishimura, Ryota Fujimura et al. · 2024 · Machine Learning and Knowledge Extraction
Although machine learning models are widely used in critical domains, their complexity and poor interpretability remain problematic. Decision trees (DTs) and rule-based models are known for their interpretability, and numerous studies have…
C. Edward Chang, Thomas M. Krueger, H. Doug Witte · 2015 · American Journal of Business
Purpose – For a number of reasons ranging from their more recent introduction to their perceived lesser excitement relative to stock-based peers, there have been few studies of fixed income (mainly bond) exchange-traded funds (ETFs). The…
Frederick W. Woodley, Kent Williams, Carlo Di Lorenzo et al. · 2022 · JPGN Reports
We previously reported our ability to objectively assess the strength of temporal relationships between gastroesophageal reflux (GER) disease‐like symptoms with esophageal air events (EAEs) (air swallows, gastric belching, and supragastric…
Petros Choidis, Akriti Sharma, Giulia Grottesi et al. · 2022 · E3S Web of Conferences
Climate change is expected to significantly affect the interior climate of old, leaky buildings without HVAC systems. As a result, the items of cultural significance that are hosted indoors will experience new ambient conditions, which…
Christine Sandbach, Julie K. Young, Mary Conner et al. · 2024 · Restoration Ecology
Stream restoration programs employ beaver‐related restoration techniques, including beaver translocations and installation of beaver dam analogs (BDA), to create complex in‐stream habitat. We investigated whether BDA installations improved…
Tümay Capraz, Wolfgang Huber · 2024 · Bioinformatics
Abstract Motivation A fundamental step in many analyses of high-dimensional data is dimension reduction. Two basic approaches are introduction of new synthetic coordinates and selection of extant features. Advantages of the latter include…
Uiju Cho, Inju Cho, Sung Hak Lee et al. · 2021 · Diagnostics
Clamydophila psittaci (C. psittaci) has been proposed to be an etiologic factor in extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) in the ocular adnexa. However, the pathogenetical significance of the…
Everaldo Freitas Guedes · 2021 · Fluctuation and Noise Letters
In this paper, we proposed a statistical test for the Detrending Moving-Average Cross-Correlation Coefficient ([Formula: see text]). With this methodology, it is possible to evaluate the statistical significance of [Formula: see text] for…
T.P. Borysova, O.Yu. Obolonska · 2021 · Medicni perspektivi (Medical perspectives)
Premature infants with hemodynamically significant patent ductus arteriosus (HSPDA) have a high risk of developing acute kidney injury (AKI) due to renal hypoperfusion and use of ibuprofen for duct closure. The aim of the study was to…
Yan Sun, Jian Lan · 2022 · Journal of Geophysical Research: Oceans
Abstract The interannual variation of the South China Sea (SCS) summertime eastward jet (SEJ) contributes to the regional climate and ecology. Based on the Simple Ocean Data Assimilation data set, this study conducts a case analysis of SEJ…
Xueliang Lu, Luis San Andrés · 2018 · Journal of Tribology
Hydraulic turbines and centrifugal pumps at times show low frequency vibrations when installed with upstream step (band) clearance seals with a narrow clearance facing the incoming external flow. When implementing a downstream step…
Paul Flowers, Ruth Leiser, Fiona Mapp et al. · 2023 · British Journal of Health Psychology
Abstract Purpose The aim of this study was to conduct a process evaluation of a whole‐genome sequence report form (SRF) used to reduce nosocomial SARS‐CoV‐2 through changing infection prevention and control (IPC) behaviours within the…
Pinky Dutta, Andres Lõhmus, Tero Ahola et al. · 2024 · Viruses
The trans-replication system explores the concept of separating the viral RNA involved in the translation of the replicase protein from the replication of the viral genome and has been successfully used to study the replication mechanisms…
David T. Bertrand, Ruisen Fu, Kyle Kavaseri et al. · 2024 · Scientific Reports
Abstract Distraction osteogenesis (DO) is a valuable surgical method for limb lengthening and bone defect correction, but its lengthy consolidation phase presents challenges. The accordion technique (AT), involving compression and…
Rashmi Kumari, Lisa Willing · 2022 · Diabetology
Impaired glucocorticoid signaling in diabetes mellitus and its relation to suppressed immune function and hyperglycemia during acute stroke has been shown to be detrimental. Therefore, the aim of this study was to examine the effect of…
John A. Mathews · 2017 · Asia-Pacific Journal
Abstract China's continuing shift to green sources of electric power generation is confirmed in the latest data published by the National Energy Administration (NEA) and the China Electricity Council (CEC). New capacity additions in the…
Hammad Sadiq, Sanjeev Rampam, Jay Patel et al. · 2022 · Medicine
Objectives: To assess the impact of a preoperative walking intervention on improving postoperative recovery in at-risk frail older adult patients. Study Type: Unblinded, randomized controlled trial which assigned patients to intervention…
James Chyz, Erin Henry, Thomas Omer et al. · 2023 · Management Science
An IPO is a significant event for an individual firm, and the literature examining initial public offering (IPO) firms is extensive. However, there is little evidence on the subsequent effect of a significant IPO on incumbent firms. We…
Shinta April Lailia, Siti Fatimah, Afil Fres Seftiana et al. · 2023 · SIGNIFICANT : Journal Of Research And Multidisciplinary
Penelitian ini bertujuan untuk mengeksplorasi media dan metode yang tepat dalam penerapan teknologi digital di sekolah-sekolah dengan fokus pada pendidikan MI/SD. Beberapa contoh media yang mendukung seperti Quizizz, Wordwall, Zoom, dan…
Brjan Kaiji Betzler, Sandip Singh Saggi, Matthias Yi Quan Liau et al. · 2023 · Journal of Experimental Orthopaedics
Abstract Purpose This study aims to assess the significance of post‐operative change in limb length in medial opening wedge high tibial osteotomy (MOWHTO), and evaluate the correlation between correction angles and changes in limb length.…
Juraj Koči, Marta Novotová, Monika Sláviková et al. · 2022 · Pathogens
The coronavirus transforms the cytoplasm of susceptible cells to support virus replication. It also activates autophagy-like processes, the role of which is not well understood. Here, we studied SARS-CoV-2-infected Vero E6 cells using…
Sean M. Hazzard, Donna M. Scarborough, Eric M. Berkson et al. · 2022 · Arthroscopy, Sports Medicine, and Rehabilitation
Purpose To evaluate the intraoperative efficiency and patient outcomes of anterior cruciate ligament reconstruction (ACLR) assisted by a sports medicine fellow over the course of the academic year compared with an experienced physician…
Jinyoung Lee · 2020 · Processes
Single-walled carbon nanotube (SWCNT)-based nanobiosensors have received increasing attention from food researchers as a future instrument of food safety due to their high sensitivity. However, the pretreatment process of the sample…