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Browse the failure-mode index

21,681 real negative results, null findings, and replication failures. 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 accessNeuroscience

Associations Between Brain Structural Alterations, Executive Dysfunction, and General Psychopathology in a Healthy and Cross-Diagnostic Adult Patient Sample

Adrienne L. Romer, Diego A. Pizzagalli · 2021 · Biological Psychiatry Global Open Science

A general psychopathology factor (p factor) captures shared variance across mental disorders in diverse samples and may partly reflect executive dysfunction. Higher p factor scores have been related to structural alterations within the…

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Negative / Null Result ReportEnvironmental Science

Restoring Attentional Resources With Nature: A Replication Study of Berto’s (2005) Paradigm Including Commentary From Dr. Rita Berto

Brittany N. Neilson, Curtis M. Craig, Raelyn Y. Curiel et al. · 2020 · Human Factors The Journal of the Human Factors and Ergonomics Society

OBJECTIVE: The aim of this study is to replicate Berto's (2005) heavily cited work on attention restoration. BACKGROUND: Nature interventions have gained increased interest for improving performance of attentionally demanding tasks. Berto…

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Classification of Type 2 Diabetes Genetic Variants and a Novel Genetic Risk Score Association With Insulin Clearance

Mark O. Goodarzi, Nicholette D Palmer, Jinrui Cui et al. · 2019 · The Journal of Clinical Endocrinology & Metabolism

CONTEXT: Genome-wide association studies have identified more than 450 single nucleotide polymorphisms (SNPs) for type 2 diabetes (T2D). OBJECTIVE: To facilitate use of these SNPs in future genetic risk score (GRS)-based analyses, we aimed…

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Negative / Null Result ReportOpen accessMedicine

The reliability characteristics of the REFLECT rubric for assessing reflective capacity through expressive writing assignments: A replication study

Lawrence Grierson, Samantha Winemaker, Alan Taniguchi et al. · 2020 · Perspectives on Medical Education

INTRODUCTION: The medical education community has implemented writing exercises that foster critical analysis and nurture reflective capacity. The REFLECT rubric (Wald et al. 2012) was developed to address the challenge of assessing these written reflections. The objective of this replication work is to explore the reproducibility of the reliability characteristics presented by the REFLECT developers. METHODS: Five raters evaluated narratives written by medical students and experienced clinicians using the REFLECT rubric. Reliability across rubric domains was determined via intraclass correlat

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Negative / Null Result ReportOpen accessMedicine

Genetic Association Analysis in a Clinically and Histologically Confirmed Otosclerosis Population Confirms Association With the TGFB1 Gene but Suggests an Association of the RELN Gene With a Clinically Indistinguishable Otosclerosis-Like Phenotype

Manou Sommen, Guy Van Camp, Balázs Liktor et al. · 2014 · Otology & Neurotology

BACKGROUND/HYPOTHESIS: Otosclerosis is a frequent cause of hearing impairment characterized by abnormal resorption and deposition of bone in the human otic capsule. It is a disease of complex etiopathogenesis that is caused by both…

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Negative / Null Result ReportPsychology

Revisiting desirable response bias in well-being reports

Samantha J. Heintzelman, Jason Trent, Laura A. King · 2014 · The Journal of Positive Psychology

Growing popular interest in positive psychology may have important implications for the measurement of well-being. Five studies tested the prediction that well-being ratings are influenced by desirability bias. In Study 1, participants (N…

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Negative / Null Result ReportOpen accessAgricultural and Biological Sciences

Cry1Ac Transgenic Sugarcane Does Not Affect the Diversity of Microbial Communities and Has No Significant Effect on Enzyme Activities in Rhizosphere Soil within One Crop Season

Dinggang Zhou, Liping Xu, Shiwu Gao et al. · 2016 · Frontiers in Plant Science

Cry1Ac transgenic sugarcane provides a promising way to control stem-borer pests. Biosafety assessment of soil ecosystem for cry1Ac transgenic sugarcane is urgently needed because of the important role of soil microorganisms in nutrient transformations and element cycling, however little is known. This study aimed to explore the potential impact of cry1Ac transgenic sugarcane on rhizosphere soil enzyme activities and microbial community diversity, and also to investigate whether the gene flow occurs through horizontal gene transfer. We found no horizontal gene flow from cry1Ac sugarcane to soi

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Negative / Null Result Report

Reevaluation of statistically significant meta‐analyses in advanced cancer patients using the Hartung–Knapp method and prediction intervals—A methodological study

Waldemar Siemens, Joerg J. Meerpohl, Miriam S. Rohe et al. · 2022 · Research Synthesis Methods

Abstract Using the Hartung–Knapp method and 95% prediction intervals (PIs) in random‐effects meta‐analyses is recommended by experts but rarely applied. Therefore, we aimed to reevaluate statistically significant meta‐analyses using the…

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Negative / Null Result ReportOpen accessComputer Science

Statistically significant tests of multiparticle quantum correlations based on randomized measurements

Andreas Ketterer, Satoya Imai, Nikolai Wyderka et al. · 2022 · Physical review. A/Physical review, A

We consider statistical methods based on finite samples of locally randomized measurements in order to certify different degrees of multiparticle entanglement in intermediate-scale quantum systems. We first introduce hierarchies of…

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Negative / Null Result ReportOpen accessImmunology and Microbiology

Innate immunity gene polymorphisms and the risk of colorectal neoplasia

C. M. Chang, Victoria M. Chia, Marc J. Gunter et al. · 2013 · Carcinogenesis

Inherited variation in genes that regulate innate immunity and inflammation may contribute to colorectal neoplasia risk. To evaluate this association, we conducted a nested case-control study of 451 colorectal cancer cases, 694 colorectal…

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Negative / Null Result ReportOpen accessEngineering

Development and characterisation of 3D collagen-gelatin based scaffolds for breast cancer research

John Redmond, Helen O. McCarthy, Paul Buchanan et al. · 2022 · Biomaterials Advances

While 2D culture presents a useful tool for cancer research, it fails to replicate the tumor microenvironment as it lacks proper three-dimensional cell-cell/cell-matrix interactions, often resulting in exaggerated responses to therapeutic agents. 3D models that aim to overcome the issues associated with 2D culture research offer a new frontier for cancer research with cell growth, morphology and genetic properties that more closely match in vivo cancers. Herein, we aim to develop a collagen-based scaffold that supports the attachment and proliferation of breast cancer (BC) cells as a 3D cultur

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Negative / Null Result ReportOpen accessEnvironmental Science

Contest-Based and Norm-Based Interventions: (How) Do They Differ in Attitudes, Norms, and Behaviors?

Magnus Bergquist, Andréas Nilsson, Emma Ejelöv · 2019 · Sustainability

Setting up a contest is a popular means to promote pro-environmental behaviors. Yet, research on contest-based interventions is scarce while norm-based interventions have gained much attention. In two field experiments, we randomly assigned 79 apartments to either a contest-based or a norm-based electricity conservation intervention and measured kWh usage for 2 and 4 weeks, respectively. Results from both studies showed that contest-based interventions promote intensive but short-lived electricity saving. In Study 1 apartments assigned to a norm-based intervention showed more stable electricit

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Negative / Null Result ReportOpen accessMedicine

Genetic susceptibility loci of idiopathic interstitial pneumonia do not represent risk for systemic sclerosis: a case control study in Caucasian patients

Minghua Wu, Shervin Assassi, Gloria A. Salazar et al. · 2016 · Arthritis Research & Therapy

BACKGROUND: Systemic sclerosis (SSc)-related interstitial lung disease (ILD) has phenotypic similarities to lung involvement in idiopathic interstitial pneumonia (IIP). We aimed to assess whether genetic susceptibility loci recently identified in the large IIP genome-wide association studies (GWASs) were also risk loci for SSc overall or severity of ILD in SSc. METHODS: A total of 2571 SSc patients and 4500 healthy controls were investigated from the US discovery GWAS and additional US replication cohorts. Thirteen IIP-related selected single nucleotide polymorphisms (SNPs) were genotyped and

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Negative / Null Result ReportOpen accessMedicine

Joint polygenic and environmental risks for childhood attention‐deficit/hyperactivity disorder (ADHD) and ADHD symptom dimensions

Michael A. Mooney, Peter Ryabinin, Hannah E. Morton et al. · 2023 · JCPP Advances

Abstract Background attention‐deficit/hyperactivity disorder (ADHD) is associated with both polygenic liability and environmental exposures, both intrinsic to the family, such as family conflict, and extrinsic, such as air pollution. However, much less is known about the interplay between environmental and genetic risks relevant to ADHD—a better understanding of which could inform both mechanistic models and clinical prediction algorithms. Methods Two independent data sets, the population‐based Adolescent Brain Cognitive Development Study (ABCD) ( N = 11,876) and the case‐control Oregon‐ADHD‐1

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Negative / Null Result ReportOpen accessPsychology

Association Between Care Utilization and Anxiety Outcomes in an On-Demand Mental Health System: Retrospective Observational Study

Sarah Kunkle, Manny Yip, Justin Hunt et al. · 2020 · JMIR Formative Research

BACKGROUND: Anxiety is an extremely prevalent condition, and yet, it has received notably less attention than depression and other mental health conditions from a research, clinical, and public health perspective. The COVID-19 pandemic has only exacerbated growing concerns about the burden of anxiety due to the confluence of physical health risks, economic stressors, social isolation, and general disruption of daily activities. OBJECTIVE: This study examines differences in anxiety outcomes by care modality (coaching, teletherapy and telepsychiatry, and combined care) within an on-demand mental

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Negative / Null Result ReportOpen accessNeuroscience

Different scalar terms are affected by face differently

Marina Terkourafi, Benjamin Weissman, Joseph Roy · 2020 · International Review of Pragmatics

Abstract Research on the effect of face-orientation on scalar implicatures has claimed that face-threatening contexts are one type of context in which scalar implicatures are not warranted. However, that research has been based on the two…

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Negative / Null Result ReportMedicine

Genetic basis of polycystic ovary syndrome

TM Barber, Stephen Franks · 2010 · Expert Review of Endocrinology & Metabolism

Polycystic ovary syndrome (PCOS) is associated with obesity and manifests with reproductive, hyperandrogenic and metabolic features. Although the etiology of PCOS is complex and incompletely understood, genetics plays an important role…

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Negative / Null Result ReportOpen accessPsychology

Inferiority, not similarity of the decoy to target, is what drives the transfer of attention underlying the attraction effect: Evidence from an eye-tracking study with real choices.

Michał Król, Magdalena Ewa Król · 2019 · Journal of Neuroscience Psychology and Economics

Recent studies reported that the attraction effect, whereby inferior decoys cause choice reversals, fails to replicate if the choice options are presented in a pictorial rather than abstract numerical form. We argue that the pictorial…

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Negative / Null Result ReportOpen accessMedicine

Overlooked Candida glabrata petites are echinocandin tolerant, induce host inflammatory responses, and display poor in vivo fitness

Amir Arastehfar, Farnaz Daneshnia, Hrant Hovhannisyan et al. · 2023 · mBio

ABSTRACT Small colony variants are relatively common among some bacterial species and are associated with poor prognosis and recalcitrant infections. Similarly, Candida glabrata— a major intracellular fungal pathogen—produces small and slow-growing respiratory-deficient colonies, termed “petite.” Despite reports of clinical petite C. glabrata strains, our understanding of petite behavior in the host remains obscure. Moreover, controversies exist regarding in-host petite fitness and its clinical relevance. Herein, we employed whole-genome sequencing (WGS), dual-RNAseq, and extensive ex vivo and

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Negative / Null Result Report

The hashtag heard round the world: how #MeToo did what laws did not

Joy Leopold, Jason R. Lambert, Ifeyimika O. Ogunyomi et al. · 2019 · Equality, Diversity and Inclusion: An International Journal

Purpose The purpose of this paper is to propose that #MeToo is a social movement which has been more effective in changing norms around and increasing understanding about the prevalence and destructiveness of sexual harassment than decades…

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Negative / Null Result Report

Effect of captivity on morphology: negligible changes in external morphology mask significant changes in internal morphology

Stephanie K. Courtney Jones, Adam J. Munn, Phillip G. Byrne · 2018 · Royal Society Open Science

Captive breeding programmes are increasingly relied upon for threatened species management. Changes in morphology can occur in captivity, often with unknown consequences for reintroductions. Few studies have examined the morphological…

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Hyaluronic Acid as Macromolecular Crowder in Equine Adipose-Derived Stem Cell Cultures

Sergio Garnica-Galvez, Stefanie Korntner, Ioannis Skoufos et al. · 2021 · Cells

The use of macromolecular crowding in the development of extracellular matrix-rich cell-assembled tissue equivalents is continuously gaining pace in regenerative engineering. Despite the significant advancements in the field, the optimal macromolecular crowder still remains elusive. Herein, the physicochemical properties of different concentrations of different molecular weights hyaluronic acid (HA) and their influence on equine adipose-derived stem cell cultures were assessed. Within the different concentrations and molecular weight HAs, the 10 mg/mL 100 kDa and 500 kDa HAs exhibited the high

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Negative / Null Result ReportOpen accessMedicine

Life's Essential 8 and carotid artery plaques: the Swedish cardiopulmonary bioimage study

Ángel Herráiz-Adillo, Viktor H. Ahlqvist, Sara Higueras‐Fresnillo et al. · 2023 · Frontiers in Cardiovascular Medicine

Background To quantify cardiovascular health (CVH), the American Heart Association (AHA) recently launched an updated construct of the “Life's Simple 7” (LS7) score, the “Life's Essential 8” (LE8) score. This study aims to analyse the association between both CVH scores and carotid artery plaques and to compare the predictive capacity of such scores for carotid plaques. Methods Randomly recruited participants aged 50–64 years from the Swedish CArdioPulmonary bioImage Study (SCAPIS) were analysed. According to the AHA definitions, two CVH scores were calculated: i) the LE8 score (0, worst CVH;

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Negative / Null Result ReportOpen accessMedicine

Novel Treatment Strategies for Hormone Receptor (HR)-Positive, HER2-Negative Metastatic Breast Cancer

Antonella Ferro, Michela Campora, A. Caldara et al. · 2024 · Journal of Clinical Medicine

Estrogen receptor (ER)-positive breast cancer (BC) is the most common BC subtype. Endocrine therapy (ET) targeting ER signaling still remains the mainstay treatment option for hormone receptor (HR)-positive BC either in the early or in advanced setting, including different strategies, such as the suppression of estrogen production or directly blocking the ER pathway through SERMs—selective estrogen receptor modulators—or SERDs—selective estrogen receptor degraders. Nevertheless, the development of de novo or acquired endocrine resistance still remains challenging for oncologists. The use of no

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Negative / Null Result ReportOpen accessMedicine

BRCA2 Germline Mutations Identify Gastric Cancers Responsive to PARP Inhibitors

Annalisa Petrelli, Sabrina Rizzolio, Filippo Pietrantonio et al. · 2023 · Cancer Research

Despite negative results of clinical trials conducted on the overall population of patients with gastric cancer, PARP inhibitor (PARPi) therapeutic strategy still might represent a window of opportunity for a subpopulation of patients with…

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