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20,211 real negative results, null findings, and replication failures · Negative / Null Result Report. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result ReportOpen accessVeterinary

Socializing AI: Integrating Social Network Analysis and Deep Learning for Precision Dairy Cow Monitoring—A Critical Review

Sibi Chakravathy Parivendan, Kashfia Sailunaz, Suresh Neethirajan · 2025 · Animals

This review critically analyzes recent advancements in dairy cow behavior recognition, highlighting novel methodological contributions through the integration of advanced artificial intelligence (AI) techniques such as transformer models and multi-view tracking with social network analysis (SNA). Such integration offers transformative opportunities for improving dairy cattle welfare, but current applications remain limited. We describe the transition from manual, observer-based assessments to automated, scalable methods using convolutional neural networks (CNNs), spatio-temporal models, and at

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Negative / Null Result ReportOpen accessMaterials Science

Coarse-Grained Parameters for Simulations of Methyl-Methacrylate-Based Polymer Brushes That Reproduce Experimental Swelling Coefficients

Vinicius Firmino dos Santos, Eduardo R. Almeida, Lucas Miguel Pereira Souza et al. · 2025 · Macromolecules

High Resolution Image Download MS PowerPoint Slide Polymer brushes exhibit unique structural and dynamic properties compared to free polymers due to their confined and tethered nature. While coarse-grained (CG) models for free polymers are well-established in the literature, their direct application to polymer brushes is limited. This is because brushes demonstrate distinct conformational behaviors, scaling laws, and responses to environmental stimuli that may not be accurately captured by models developed for free polymers. We have systematically evaluated chemically specific CG parameters wi

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Negative / Null Result ReportOpen accessMedicine

Digital Solution to Support Medication Adherence and Self-Management in Patients with Cancer (SAMSON): Pilot Randomized Controlled Trial

Thu Ha Dang, Nilmini S. Wickramasinghe, Prem Prakash Jayaraman et al. · 2024 · JMIR Formative Research

BACKGROUND: Medication nonadherence is a serious problem in cancer, potentially impacts patients' health outcomes and health care costs. Although technology-based medication adherence (MA) interventions have emerged, evidence supporting their quality and effectiveness remains limited. OBJECTIVE: This study tested the acceptability, feasibility, and potential effects of Safety and Adherence to Medications and Self-care Advice in Oncology (SAMSON), a digital solution designed to support MA and self-management in cancer. METHODS: A 12-week, 2-arm, unblinded, pragmatic pilot randomized controlled

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Negative / Null Result ReportOpen accessEnvironmental Science

Year-long, multiple-timepoint field studies show the importance of spatiotemporal dynamics and microbial functions in agricultural soil microbiomes

Lisa Joos, Sarah Ommeslag, Steve Baeyen et al. · 2025 · mSystems

Despite the recognition of the complexity of soil ecosystem dynamics, most soil microbiome studies sample one field, take one sample per field, or use limited samples throughout the year. This limits our understanding of the spatiotemporal role of the soil microbiome in relation to management practices. To address these limitations, we conducted a year-long investigation of the soil microbiome in two agricultural fields, sampling multiple plots at different soil depths every 5 weeks. We examined spatial and temporal variabilities in response to the application of organic amendments (one-time b

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Negative / Null Result ReportOpen accessPhysics and Astronomy

A journey of seeking pressure and forces in the nucleon

Xiangdong Ji, Yang Chen · 2026 · Nuclear Physics B

Momentum current density (MCD) $T^{ij}$ is a general physics concept describing the momentum conservation through momentum flow generated from both the kinetic motion of particles and the interacting forces among them. It has been suggested by M. Polyakov et al. that the MCD in the nucleon, characterized by the form factor $C/D$ of the QCD energy-momentum tensor, can be interpreted as the pressure and shear forces between adjacent parts of the system because the nucleon interior approximates a continuous medium. While intuitively appealing, we find that the interpretation is hard to justify fr

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Negative / Null Result ReportOpen accessBusiness, Management and Accounting

The Impact of Macroeconomic Factors on the Firm’s Performance—Empirical Analysis from Türkiye

Orkhan Ibrahimov, László Vancsura, Anett Parádi-Dolgos · 2025 · Economies

Measuring financial performance is pivotal not only for assessing a firm’s current health but also for informing strategic decisions that shape its long-term trajectory. This study investigates how macroeconomic volatility affects the firm profitability across five major sectors in Türkiye—industrial manufacturing, food, beverage and tobacco, chemicals and plastics, technology, and energy—during the turbulent period from 2016 to 2023. Using return on assets (ROA) and return on equity (ROE) as performance indicators, we apply panel data regression to test the impact of inflation, interest rates

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Negative / Null Result Report

The Acoustic Emission Method Implementation Proposition to Confirm the Presence and Assessment of Reinforcement Quality and Strength of Fiber–Cement Composites

Anna Adamczak-Bugno, Aleksandra Krampikowska · 2020 · Materials

This article proposes to use the acoustic emission (AE) method to evaluate the degree of change in the mechanical parameters of fiber–cement boards. The research was undertaken after a literature review, due to the lack of a methodology…

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Negative / Null Result Report

“What Did She Say? What Did She Say?” the Impact of Interpretation on Recruiting and Interviewing European Migrant Women in the United Kingdom

Mona Almalik, Alice Kiger, Janet Tucker · 2010 · International Journal of Qualitative Methods

Although a few researchers mention that involving interpreters can have an impact on the research process and research findings, little is published regarding methods of assessing the interpretation work's quality and impact. The impact of…

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Negative / Null Result Report

The Relationship between Obsessive Compulsive Personality and Obsessive Compulsive Disorder Treatment Outcomes: Predictive Utility and Clinically Significant Change

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…

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Negative / Null Result Report

Effect of Significant Postoperative Complications on Decision Regret After Laparoscopic Sleeve Gastrectomy: a Case–Control Study

Katarzyna Bartosiak, Michał R. Janik, Maciej Walędziak et al. · 2022 · Obesity Surgery

Abstract Background Thus far, no data are available on decision regret about sleeve gastrectomy (SG), particularly in patients who experienced perioperative complications. This study aimed to assess whether patients with postoperative…

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Negative / Null Result Report

Significant Prognostic Factors Influencing the Survival Difference of Oral Tongue Squamous Cell Carcinoma

Sarinya Boonpoapichart, Pattama Punyavong, Kamonwan Jenwitheesuk et al. · 2021 · Plastic and Reconstructive Surgery - Global Open

Background: Oral tongue squamous cell carcinoma is the most common malignancy in the oral cavity. Overall survival varies across many countries, and poor prognosis is prevalent in developing countries, including Thailand. Our study aimed…

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Negative / Null Result Report

Does the Establishment of National New Areas Improve Urban Ecological Efficiency? Empirical Evidence Based on Staggered DID Model

Jingbin Wang, Huiling Qiao, Jing Liu et al. · 2022 · International Journal of Environmental Research and Public Health

The environmental effects of national new areas have been an important topic but received little attention in academia. This study conducts a quasi-natural experiment using panel data of China’s 282 prefecture-level cities from 2006 to…

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Negative / Null Result Report

Biologically relevant small variations of intra-cellular pH can have significant effect on stability of protein–DNA complexes, including the nucleosome

Alexey V. Onufriev · 2023 · Frontiers in Molecular Biosciences

Stability of a protein-ligand complex may be sensitive to pH of its environment. Here we explore, computationally, stability of a set of protein-nucleic acid complexes using fundamental thermodynamic linkage relationship. The nucleosome,…

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Negative / Null Result Report

Significant sex difference in the association between C‐reactive protein concentration and anthropometry among 13‐ to 19‐year olds, but not 6‐ to 12‐year olds in Nepal

Shoko Konishi, Rajendra Prasad Parajuli, Erica Takane et al. · 2014 · American Journal of Physical Anthropology

ABSTRACT Life history theory predicts a trade‐off between immunostimulation and growth. Using a cross‐sectional study design, this study aims to test the hypothesis that C‐reactive protein (CRP) is negatively associated with height‐for‐age…

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Negative / Null Result Report

Inflation in 2022 did not affect congressional voting, but abortion did

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…

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Negative / Null Result Report

Did Expanded Dental Insurance Reduce Out-of-Pocket Expenditures on Dental Care among Older Adults in Korea? Interrupted Time-Series Analysis

Nam-Hee Kim, Se-Hwan Jung, Ichiro Kawachi · 2021 · International Journal of Environmental Research and Public Health

The Korean National Health Insurance extended its coverage to reduce the economic burden of receiving dentures and implants for older adults in 2012 and 2014, respectively. We examined whether the new policy resulted in reduced…

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