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 165 of 674
Luke Owen Frishkoff, Gavia Lertzman‐Lepofsky, D. Luke Mahler · 2022 · Ecology Letters
Abstract Ecological community structure ultimately depends on the production of community members by speciation. To understand how macroevolution shapes communities, we surveyed Anolis lizard assemblages across elevations on Jamaica and…
Denis Yongmin Joe, Frederick Dongchuhl Oh · 2016 · Contemporary Economic Policy
In this study, we investigate whether foreign equity participation fostered the growth of Korea's credit rating industry during the 2002–2013 period. We find that the rating quality deteriorated steadily even though the foreign ownership…
Diana C. Mutz, Edward D. Mansfield · 2024 · Proceedings of the National Academy of Sciences
This study examines voting in the 2022 United States congressional elections, contests that were widely expected to produce a sizable defeat for Democratic candidates for largely economic reasons. Based on a representative national…
Séréna Albert, Per Hedberg, Nisha H. Motwani et al. · 2021 · Scientific Reports
Abstract In coastal aphotic sediments, organic matter (OM) input from phytoplankton is the primary food resource for benthic organisms. Current observations from temperate ecosystems like the Baltic Sea report a decline in spring bloom…
Andrew Kei‐Yan Ng, Man‐Hong Jim · 2016 · Clinical Cardiology
In the era of drug‐eluting stents, the provisional stenting strategy has been established as the default strategy in percutaneous coronary intervention for bifurcation lesions. However, emerging evidence shows that, in selected situations,…
Shalane K. Sadri, Peter M. McEvoy, Sarah J. Egan et al. · 2017 · Behavioural and Cognitive Psychotherapy
Background: The evidence regarding whether co-morbid obsessive compulsive personality disorder (OCPD) is associated with treatment outcomes in obsessive compulsive disorder (OCD) is mixed, with some research indicating that OCPD is…
Josh W. Newbury, Bryan Saunders, Lewis A. Gough · 2022 · International Journal of Sport Nutrition and Exercise Metabolism
The potential ergogenic benefits of caffeine (CAF) are well known within the athletic community, often leading to its use in adolescent swimming cohorts to enhance their performance. However, it has previously been reported that CAF has…
Chun Wang, David J. Weiss · 2017 · Applied Psychological Measurement
The measurement of individual change has been an important topic in both education and psychology. For instance, teachers are interested in whether students have significantly improved (e.g., learned) from instruction, and counselors are…
Mohammad Ehsanul Karim · 2024 · BMC Medical Research Methodology
Abstract Purpose Propensity score matching is vital in epidemiological studies using observational data, yet its estimates relies on correct model-specification. This study assesses supervised deep learning models and unsupervised…
Raluca B. Dumitru, Lesley‐Anne Bissell, Bara Erhayiem et al. · 2023 · ACR Open Rheumatology
Objective Subclinical systemic sclerosis (SSc) primary heart involvement is commonly described. Whether these findings progress over time is not clear. The study aimed to investigate cardiovascular magnetic resonance (CMR) interval change…
Lohanna STRAUHS-NITSCH, Marcela Ferro CAMPIOLO, Daphne Benatti Gonçalves MORSOLETTO et al. · 2020 · Arquivos de Gastroenterologia
ABSTRACT BACKGROUND: Chronic hepatitis C still figures as an important cause of morbidity among the Brazilian population, and is closely associated with metabolic disturbances, including insulin resistance (IR), which can be evaluated by…
Lin Li, Mingming Tang, Dan Nie et al. · 2020 · International Journal of Gynecology & Obstetrics
Abstract Objective To compare outcomes and prognosis among women with type I endometrial cancer undergoing hysterectomy and bilateral salpingo‐oophorectomy (H‐BSO) with or without systematic pelvic lymphadenectomy (PLD) or para‐aortic…
Xiang Zheng, Chaoqun Ni · 2024 · Journal of the Association for Information Science and Technology
Abstract COVID‐19 has emerged as a major research hotspot and trending topic in recent years, leading to increased publications and citations of related papers. While concerns exist about the potential citation boost in journals publishing…
Samta Jain, Smita Kashiramka, P.K. Jain · 2020 · Review of International Business and Strategy
Purpose The purpose of this paper is to examine the impact of cross-border acquisitions (CBAs) on the financial and operating performance of acquiring firms from emerging economies in the long-term; the acquiring firms have been segregated…
Yao Luo, Hui Shi, Weiqiang Wang · 2021 · Aquatic Ecosystem Health & Management
Abstract The frequency of extreme wave events is increasing with climate change. The temporal and spatial variations of extreme wave height affect both human livelihood and the usage of ocean resources. The South China Sea and northern…
Christine F. Schubert, Ulrike Schmidt, Hannah Comtesse et al. · 2019 · Stress and Health
Abstract Posttraumatic growth (PTG) may play a role in the treatment of posttraumatic stress disorder (PTSD) as it is supposed to have either beneficial or dysfunctional effects on treatment‐related PTS symptom (PTSS) changes. This study…
Markus Luger, Christoph Böhler, Stephan E. Puchner et al. · 2024 · Bone & Joint Research
Aims Serum inflammatory parameters are widely used to aid in diagnosing a periprosthetic joint infection (PJI). Due to their limited performances in the literature, novel and more accurate biomarkers are needed. Serum albumin-to-globulin…
Margareth Chiharu Iwata, Livia Porquere, Isabel C. Espósito Sorpreso et al. · 2015 · Revista da Associação Médica Brasileira
Summary Objective: Objective: to compare clinical and laboratory parameters in women with polycystic ovary syndrome (PCOS) using metformin or combined oral contraceptive (COC) after 6 months. Methods: retrospective study analyzing records…
Timo Saloviita · 2016 · Focus on Autism and Other Developmental Disabilities
Facilitated communication (FC) has been interpreted as an ideomotor phenomenon, in which one person physically supports another person’s hand and unconsciously affects the content of the writing. Despite the strong experimental evidence…
Oumaima Alaika, Souad Jamai, Nawal Doghmi et al. · 2020 · Journal of the Saudi Heart Association
Objectives: Speckle-tracking imaging is a novel method for assessing left ventricular (LV) function and ischemic changes. The aim of this prospective study was to assess the diagnostic accuracy of global longitudinal strain (GLS) and…
Ryuhei Wada, Jiro Takeuchi, Tsukasa Nakamura et al. · 2020 · Applied Clinical Informatics
Abstract Background Medication dose adjustment is crucial for patients with renal dysfunction (RD). The assessment of renal function is generally mandatory; however, the renal function may change during the hospital stay and the manual…
Luana Damasceno, Ana Carolina B. Terzian, Trevon Fuller et al. · 2021 · Viruses
The Zika virus (ZIKV) epidemic in Brazil occurred in regions where dengue viruses (DENV) are historically endemic. We investigated the differences in adverse pregnancy/infant outcomes in two cohorts comprising 114 pregnant women with…
Chanaka Bulathsinghalage, Lu Liu · 2020 · BMC Bioinformatics
Abstract Background Chromosome conformation capture-based methods, especially Hi-C, enable scientists to detect genome-wide chromatin interactions and study the spatial organization of chromatin, which plays important roles in gene…
Xiangde Yang, Kang Ni, Lifeng Ma et al. · 2022 · Agronomy
Although annual return of litter occurs in tea (Camellia sinensis L.) plantations, the level of soil organic carbon (SOC) therein remains relatively low. The exact impacts of pruned litter on soil and its association with SOC accumulation…
Murside Degirmenci, Yilmaz Kemal Yuce, Yalcin Isler · 2022 · Journal of Intelligent Systems with Applications
Motor Imaginary (MI) electroencephalography (EEG) signals are obtained when a subject imagines a task without essentially applying it. The accurate decoding of MI EEG signals plays an important role in the design of brain-computer…
Sascha Caron, Roberto Ruiz de Austri, Zhongyi Zhang · 2023 · Journal of High Energy Physics
A bstract Model-independent search strategies have been increasingly proposed in recent years because on the one hand there has been no clear signal for new physics and on the other hand there is a lack of a highly probable and…
J. Elijah Powell, Erick V.S. Motta, Joanito Liberti et al. · 2025 · Royal Society Open Science
The western honeybee, Apis mellifera, harbours a simple and distinct microbiota that has been linked to various positive outcomes for the host. Among these cited benefits is improved weight gain for bees that have been inoculated with…
Fernando Tormos‐Aponte, James E. Wright, Heath Brown · 2021 · Social Science Quarterly
Abstract Objective This article identifies the role of structural racism in policy implementation and argues that a starting point to evaluate the potential outcomes of calls for systemic change is to better situate racism in the study of…
Mayank Sachan, Arnab Bhattacharya · 2012 · Proceedings of the VLDB Endowment
The problem of identification of statistically significant patterns in a sequence of data has been applied to many domains such as intrusion detection systems, financial models, web-click records, automated monitoring systems,…
Xuda Xu, Feng Jiang, Jianxiang Li et al. · 2024 · Materials
With the rapid development of the new energy vehicle market, the demand for extruded profiles for battery trays, mainly characterized by significant wall thickness differences in multiple chambers, is increasing, posing new challenges to…