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 178 of 674
Edy Wibowo, Naily Ulya, Mamat Rokhmat · 2025 · Physics Education
Abstract Here, we present an inquiry-based, low-cost rolling motion experiment as an alternative to traditional ‘confirm g ‘activities, integrating both confirmatory and inquiry-based elements. Using seven everyday objects—modeled as…
Vinnycius Nunes de Oliveira, Ricardo Borges Viana, João Victor Rosa de Freitas et al. · 2024 · BMC Sports Science, Medicine and Rehabilitation
Abstract This study evaluated the acute effect of the exergame Kinect Sports ® beach volleyball on state anxiety level in adult women. Thirty healthy adult women (age: 21 [4] years, body mass: 54.70 [19.50] kg, height: 1.61 ± 0.05 m, and…
Alexander Esibov, Tyson G Taylor, Sharon B Melnick et al. · 2015 · Circulation
Introduction: Ischemic post-conditioning (IPC) has shown promise in mitigating ischemia-reperfusion injury. Controlled pauses during CPR (CP-CPR) following cardiac arrest (CA) and prolonged downtime may help invoke IPC mechanisms and have…
Alexandra Lenhard, Marie-Pierre Minten, Wolfgang Lenhard · 2023 · Frontiers in Psychology
Introduction In this study, we investigated the impact of age on mate selection preferences in males and females, and explored how the formation and duration of committed relationships depend on the sex of the person making the selection.…
Emiliya Vacheva, Borislav Naumov · 2024 · Historia naturalis bulgarica
The eastern green lizard (Lacerta viridis) is a mostly insectivorous species, based on multiple studies from across its range. However, for Bulgaria the published data of such kind are limited to five publications. We investigated faecal…
Antonella Tammaro, Francesca Magri, Chiara Iacovino et al. · 2019 · Journal of Cosmetic Dermatology
Summary Lichen sclerosus et atrophicus (LSA) is a chronic inflammatory skin disease of unknown etiology. It mainly affects the anogenital area, while the extragenital involvement is uncommon. It manifests as pale, ivory‐colored lesions and…
Ruilin Xiong, Wei Wang, Xianwen Shang et al. · 2023 · Therapeutic Advances in Ophthalmology
Background: Diabetic retinopathy, a common microvascular complication of diabetes mellitus, is one of the leading causes of vision loss worldwide. Although some oral drugs have been suggested to affect the risk of diabetic retinopathy,…
Seung Guk Park, Hyoeun Kim · 2025 · Nutrients
Background/Objectives: The association between vitamin C intake and frailty among older adults remains unclear, and evidence from Asian populations is limited. Using nationally representative data, we aimed to examine whether vitamin C…
Sehoon Park, Yisak Kim, Chung Hee Baek et al. · 2025 · Kidney Research and Clinical Practice
Background: Immunoglobulin A nephropathy (IgAN) is a major cause of end-stage kidney disease (ESKD). The International IgA Nephropathy Prediction Tool (IIgAN-PT) predicts IgAN prognosis, but improvement in the prediction performance using…
Tom Love · 2025 · Research Notes of the AAS
Abstract A recent study found pulsation frequencies in the RR Lyrae star HH Puppis that were identified as gravity modes, and argued that this phenomenon could explain the Blazhko effect in which pulsations of RR Lyrae stars undergo long…
Shaojun Nong, Yangbo Guan, Zhiwei Wang et al. · 2019 · Oncology and Translational Medicine
Abstract Objective Recent studies have shown abnormal expression of octamer-binding transcription factor 4 (OCT4) and interleukin-18 (IL-18) to be related to cancer. However, the molecular mechanisms by which the IL-18 and OCT4 gene…
Chao Zhao, Bing Li, KaiYuan Guo · 2023 · Mathematical Biosciences and Engineering
The recognition of martial arts movements with the aid of computers has become crucial because of the vigorous promotion of martial arts education in schools in China to support the national essence and the inclusion of…
Benjamin K. Kogutt, Jeanne S. Sheffield · 2020 · Obstetrics & Gynecology
INTRODUCTION: Pregnancy is an ideal opportunity for women to focus on physical health; however, exercise recommendations are rarely met. At-home fitness is more accessible than ever due to technology-based interventions, and with the…
Zack J. Quirk, Selena Y. Smith, R. Paul Acosta et al. · 2024 · American Journal of Botany
Abstract Premise The ecological conditions that constrain plants to an environmental niche are assumed to be constant through time. While the fossil record has been used previously to test for niche conservatism of woody flowering plants,…
Marie Kostelanska, Karel Holada · 2022 · Molecules
Prion disorders, or transmissible spongiform encephalophaties (TSE), are fatal neurodegenerative diseases affecting mammals. Prion-infectious particles comprise of misfolded pathological prion proteins (PrPTSE). Different TSEs are…
Yujia Wen, Zhixue He, Chen Shen et al. · 2025 · PLOS Computational Biology
Indirect punishment traditionally sustains cooperation in social systems through reputation or norms, often by reducing defectors’ payoffs indirectly. In this study, we redefine indirect punishment for structured populations as a spatially…
Jian-Yong Wang, Lei Cui, Hong-Yi Shi et al. · 2023 · Frontiers in Genetics
Background: DNA methylation plays an important role in Parkinson’s disease (PD) pathogenesis. DNA methyltransferase 1 (DNMT1) is critical for maintaining DNA methylation in mammals. The link between DNMT1 polymorphisms and PD remains…
Brooke D Goodman, Kyle A Lima, Seth Benz et al. · 2025 · Ornithological Applications
Abstract Point counts are integral to bird population monitoring, and multiple methods have been developed to improve their reliability. These methods include multiple-observer protocols, double-sampling, and surveys using autonomous…
Priyanka Majumder, Apu Kumar Saha · 2019 · International Journal of Energy Optimization and Engineering
The operational performance of hydropower plants (HPPs) is largely affected as the output from the plant entirely depends on the rainfall and demand from consumers both of which are compromised due to the vulnerability in climatic patterns…
Caroline R. Toth, Brian J. Schutte · 2024 · Weed Science
Abstract Barley ( Hordeum vulgare L.) and brown mustard [ Brassica juncea (L.) Czern.] are winter cover crops known to produce allelochemicals that suppress plant growth. Incorporating barley or brown mustard residues into the soil before…
María Luz Gámiz, Fernando Navas-Gómez, Rafael Adolfo Nozal Cañadas et al. · 2024 · Machines
Studying the reliability of complex systems using machine learning techniques involves facing a series of technical and practical challenges, ranging from the intrinsic nature of the system and data to the difficulties in modeling and…
Jing Wu · 2022 · Wireless Communications and Mobile Computing
Chinese A‐shares were officially included in the Morgan Stanley Capital International (MSCI) Emerging Markets Index from June 2018. The inclusion of the A‐share market into the MSCI Index is one of the most influential events in the…
Nashwa Mostafa Ali Mohamed, Kamilia Abd-Elhaleem Ahmed Frega, Jawaher Binsuwadan · 2024 · Sustainability
The digital economy is reshaping the global economic landscape, with advancements in artificial intelligence, robotics, and virtual reality revolutionizing industries and transforming how people work and live. While the digital economy has…
K A Oshikoya, H Sammons, K Smith et al. · 2015 · Archives of Disease in Childhood
Objective Limited data from pharmacokinetic studies in underweight and severely malnourished children have indicated an impaired activity of their hepatic enzymes. We used the caffeine breath test to assess the metabolising activity of…
Nataliia Vyspinska · 2019 · Revista Romaneasca pentru Educatie Multidimensionala
Numerous possibilities, that have arisen in the result of globalization and cultural integration, require modern specialists, and musicians in particular, to speak English language fluently. Thus, methods of teaching professionally…
Nadia Najm, Collin Popp, Daniel Traylor et al. · 2015 · The FASEB Journal
Introduction This study is designed to determine the least significant (LSC), or the least amount of change that can be considered significant when measuring body composition with Dual Energy X‐ray Absorptiometry (DXA). In the past five…
Marcus W. Koch, Pavle Repovic, Jop Mostert et al. · 2023 · European Journal of Neurology
Abstract Background and purpose The timed 25‐foot walk (T25FW) and nine‐hole peg test (NHPT) exhibit random variability in the short term. A threshold of ≥20% change from baseline has been used to indicate true disability change, but other…
Vidhu Anand, Christopher G. Scott, Khaled Ali et al. · 2025 · Journal of the American Heart Association
Background Tricuspid valve surgery is recommended for severe isolated tricuspid regurgitation (TR) if symptoms persist despite optimal medical therapy. The definition of optimal therapy for TR is unclear beyond managing underlying…
Arash Farhadian, Mayce Arreem Issa, Karl Kingsley et al. · 2024 · Pediatric Reports
Recent evidence suggests that an ever-growing number of pediatric patients require invasive treatments such as root canal therapy (RCT) in their permanent dentition, albeit with little information about risk factors such as prior invasive…
Harri Sarpavaara · 2015 · Nordic Studies on Alcohol and Drugs
Aims This article explores the meanings substance-abusing clients attach to family and friendships during motivational interviewing (MI) sessions in Probation Service. Data The analyses are based on videotaped and transcribed data…