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 176 of 674
Suade Ozlem Badak, Bozkurt Gulek, Esra Kayacan Erdogan et al. · 2021 · International Journal of Rheumatic Diseases
Abstract Aim The aim of this study was to detect macrovascular findings in systemic sclerosis (SSc) by means of color Doppler ultrasonography (CDUS) and to evaluate the relationship between the laboratory and clinical findings in the…
Xiaoyu Liu, Yueqin Cheng, Yang Liu et al. · 2020 · Scientific Reports
Abstract Pyrochar (PC) is always with high pH value, and improper application might increase rice paddy ammonia volatilization (PAV), which is the main nitrogen loss through air during rice production. Differently, hydrochar (HC) takes the…
Susan P Elias, Peter W Rand, Charles B Lubelczyk et al. · 2024 · Environmental Entomology
Abstract In a nature reserve in southern Maine, we removed invasive Japanese barberry (Berberis thunbergii de Candolle) along sections of forested recreational trails that ran through dense barberry infestations. Barberry thickets provide…
David Hayward, Amy Fourie, Donald MacIntyre et al. · 2025 · BJPsych Bulletin
Aims and method To determine the most acceptable term for borderline personality disorder (BPD). We conducted a cross-sectional study of patients who know what it feels like to be diagnosed with a mental disorder. The main outcome measures…
Paul H. Kupiec · 2021 · Journal of Risk Management in Financial Institutions
Regulatory data shows large differences between large and small banks’ response to the Paycheck Protection Program (PPP). Large bank loan originations are smaller than predicted based on operational characteristics and historical lending…
Zhiyou Yang, Peter Huckfeldt, Jose J. Escarce et al. · 2022 · INQUIRY: The Journal of Health Care Organization, Provision, and Financing
Since the implementation of Medicare’s Hospital Readmissions Reduction Program (HRRP), safety-net hospitals have received a disproportionate share of financial penalties for excess readmissions, raising concerns about the fairness of the…
Benjamin D. Renelus, Devika Dixit, Phuong T. Nguyen et al. · 2021 · BMC Gastroenterology
Abstract Background Chemoprevention of colorectal neoplasia with aspirin and statins is under-investigated in Black patients. Since Black patients suffer disproportionately from colon cancer incidence and mortality compared to other…
Junichi Hasegawa, Akihiko Sekizawa, Tatsuya Arakaki et al. · 2020 · Journal of Obstetrics and Gynaecology Research
Abstract Aim To clarify whether the incidence of umbilical cord prolapse (UCP) at delivery is related to the cervical ripening balloon (CRB). Methods A postal questionnaire study was conducted in 2018 in institutions providing maternity…
Laura Loddo · 2020 · Pallas
The Athenian public discourse between V and IV centuries BC displayed an image of Athens as an open city towards the outsiders and as a protector of the weak and the oppressed (section 1). Although scholars frequently stressed the Athenian…
Takhfif Othman, Abdulsalam Mohammad Adnan Alsaiad, Abdulraouf M. Z. Jijeh et al. · 2025 · Journal of Cardiovascular Development and Disease
Heterotaxy syndrome is characterized by a tendency for bilaterally symmetric arrangement (isomerism) of inner organs. It is frequently associated with complex congenital heart defects (CHDs). In “heterotaxic” hearts, the tendency for…
Jianguo Sun, Mingfu Tian · 2023 · Frontiers in Environmental Economics
Introduction Based on the microdata of 36 A-share new energy vehicle (NEV) enterprises from 2015 to 2021, this study empirically investigates whether the introduction of the double credit policy (DCP) promoted the innovation of NEV…
Enrique Orduña-Malea, Isidro F Aguillo · 2022 · Journal of Information Science
The Majestic’s Trust Flow (TF) is a link-based score aimed at measuring the influence of online objects (e.g. scientific publications) by considering the weighted number of links received from trusted websites. This study describes the…
Christián C. Carman · 2025 · Centaurus
Abstract This paper investigates Kepler's initial efforts to demonstrate the bisection of Earth's orbit during his first residence in Benátky in 1600. By closely analyzing his manuscripts, I reveal the sequence of calculations he performed…
Briana N. Sprague, Anna K. Forster · 2025 · Healthcare
Objective: What types of multilevel interventions exist to improve blood pressure among community-dwelling adults aged 18+ in the United States? What is the treatment efficacy? Data Source: Peer-reviewed articles from Cochrane Library,…
Sung Il Jung, Hee Sun Park, Hae Jeong Jeon et al. · 2019 · Acta Radiologica
Background Whirlpool sign on computed tomography (CT) is pathognomic of adnexal torsion. Purpose To evaluate the visibility and common location of the whirlpool sign in adnexal torsion on CT. Material and Methods This retrospective study…
Tae-Hun Kim, Jung Won Kang · 2024 · Perspectives on Integrative Medicine
Background: Evidence mapping presents the current status of evidence on a specific field. The "Evidence Map of Acupuncture" published in 2014 gave an overall picture of the evidence on acupuncture treatments for various…
B. K. Song · 2018 · American Politics Research
In this study, I examine whether the effect of biased media can be reduced when voters have an alternative source of political information. Specifically, I investigate whether the introduction of television mitigated the effect of partisan…
Engy Ziedan, Robert Kaestner · 2021 · Evaluation Review
In this article, we provide a comprehensive, empirical assessment of the hypothesis that the Hospital Readmissions Reduction Program (HRRP) affected hospital readmissions. In doing so, we provide evidence as to the validity of prior…
Erik Paul Millstone, Elisabeth Dawson · 2020 · Archives of Public Health
Abstract On behalf of the European Food Safety Authority (EFSA), Kass and Lodi recently published a letter purporting to ‘refute’ our July 2019 analysis of EFSA’s December 2013 assessment of the risks of aspartame. We had previously…
E. Ergüder, C. Verkade, C. Ersak et al. · 2025 · Colorectal Disease
Abstract Aim To assess the outcomes of transanal advancement flap repair (TAFR) following failed ligation of intersphincteric fistula tract (LIFT) treatment for cryptoglandular anal fistulas, with a focus on healing and functional results.…
Junjie Du, Jian-Mei Li · 2010 · Heart
Dietary obesity is associated with insulin resistance and cardiovascular oxidative stress. Apocynin has traditionally been regarded as an inhibitor of NADPH oxidase but recently it was reported to be predominately an antioxidant in the…
Brandon Woo, Anushka Laha, Amelia Chen et al. · 2025 · Open Mind
Abstract In classic research, Hamlin et al. (2007) found that infants preferentially reach to agents who help others over agents who hinder others. These early findings provided evidence that infants may engage in social evaluation. There…
David Marsh · 2023 · The Economists’ Voice
Abstract The autumn 2022 economic upheavals that brought down British Prime Minister Liz Truss’s government represented an ultimate extension of a high-risk exercise in British exceptionalism: the June 2016 referendum decision to leave the…
Rif Miles Olsen · 2022 · Minerals
Between 2004 and 2018, NASA’s rover Opportunity found huge numbers of small, hematite-rich spherules (commonly called blueberries) on the Meridiani Planum of Mars. The standard oxide composition distributions of blueberries have remained…
Takashi Fujii, Shuta Maehara, Yoshimasa Fukui et al. · 2025 · Interventional Neuroradiology
Background The usefulness of CASPER, a second-generation carotid stent, for carotid artery stenosis is becoming increasingly clear. However, few studies have directly compared treatment outcomes with those of the first-generation Carotid…
TIMOTHY P. CANAVAN · 2017 · Clinical Obstetrics & Gynecology
Pregnancy failure is defined as a lack of sonographic evidence of current or expected viability. Technologic advances in ultrasound imaging continue to redefine diagnostic criteria of pregnancy failure or success. When evaluating a…
Anna Ness, Ali Zarei‐Baygi, Dave Macnevin · 2023 · Opflow
Available, effective methods of virus detection adequately address the risks in treating water for potable reuse.
Ronnie LaMastro, Noel Vera-Gonzalez, Kayla Campbell et al. · 2021 · Access Microbiology
Candida albicans infections can be challenging to treat, as current antifungal drugs exhibit poor water solubility and host toxicity. To overcome these issues, new methods of drug delivery are needed. Liposomes have been shown to be an…
Robert J. Snowden, Nicola S. Gray · 2025 · Perception
Perceptual load theory states that there are limited processing resources, but that these must always be fully employed. It has been used to predict and explain the commonly reported finding that irrelevant distractors influence behaviour…
Victor Jayeola, C Parsons, L Gorski et al. · 2019 · FEMS Microbiology Letters
ABSTRACT Several outbreaks of listeriosis have implicated fresh produce but genetic factors required for growth of Listeria monocytogenes on produce remain poorly characterized. Based on the fact that β-lactam antibiotics only kill…