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Browse the failure-mode index

19,815 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 Report

Variation of spring barley agronomic traits significant for adaption to climate change in latvian breeding programmes

Māra Bleidere, Ieva Mežaka, Linda Legzdiņa et al. · 2012 · Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences.

Variation of spring barley agronomic traits significant for adaption to climate change in latvian breeding programmes Breeding programmes have been recently challenged by climate change. Spring barley (Hordeum vulgare L.) yield,…

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Negative / Null Result Report

“The least significant change on bone mineral density scan increased in patients with higher degrees of obesity”

Claire Dorilleau, Lukshe Kanagaratnam, Isabelle Charlot et al. · 2024 · Aging Clinical and Experimental Research

Abstract Background : The least significant change (LSC) threshold of 0.03 g/cm² is used to interpret bone mineral density (BMD) scans in the general population. Our working hypothesis was that the current LSC threshold would not be…

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Negative / Null Result Report

Lower body weight and increasing age are significant risk factors for complications following bi-oblique proximal ulnar osteotomy in dogs

Alan Danielski, Isabel de Marcos Carpio, Camilla Danielski et al. · 2023 · Journal of the American Veterinary Medical Association

Abstract OBJECTIVE To report and evaluate the risk factors for complications following bi-oblique proximal ulnar osteotomy (PUO) in dogs. ANIMALS 82 client-owned dogs (93 limbs). METHODS Clinical records of dogs treated with bi-oblique PUO…

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Negative / Null Result Report

The Addition of the Geriatric Nutritional Risk Index to the Prognostic Scoring Systems Did Not Improve Mortality Prediction in Trauma Patients in the Intensive Care Unit

Cheng-Shyuan Rau, Ching-Hua Tsai, Sheng-En Chou et al. · 2023 · Emergency Medicine International

Background. Malnutrition is prevalent among critically ill patients and has been associated with a poor prognosis. This study sought to determine whether the addition of a nutritional indicator to the various variables of prognostic…

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Negative / Null Result Report

Do fundamental portfolios outperform in the MENA equity markets?

Rasha Tawfiq Abadi, Florinda Silva · 2019 · International Journal of Islamic and Middle Eastern Finance and Management

Purpose This study aims to investigate the performance of fundamental weighted portfolios (using sales, cash flows, dividends, book values and a composite of all these variables), an equal weighted portfolio and a smoothed cap-weighted…

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Negative / Null Result Report

Union-Find Decoders For Homological Product Codes

Nicolas Delfosse, Matthew B. Hastings · 2021 · Quantum

Homological product codes are a class of codes that can have improved distance while retaining relatively low stabilizer weight. We show how to build union-find decoders for these codes, using a union-find decoder for one of the codes in…

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Negative / Null Result Report

Fourteen weeks of β-alanine supplementation and HIIT did not improve serum BDNF concentrations and Stroop test performance

Paloma Tavares Mendonça, Yago Medeiros Dutra, Barbara M. Antunes et al. · 2025 · International Journal of Sports Medicine

Abstract This study aimed to investigate whether 14 weeks of β-alanine supplementation and high-intensity intermittent training improves brain-derived neurotrophic factor concentrations and cognitive aspects related to executive functions…

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Negative / Null Result Report

Factitious thyrotoxicosis: how to find it

Pakaworn Vorasart, Chutintorn Sriphrapradang · 2019 · Diagnosis

Abstract Background Although the most common cause of thyrotoxicosis is Graves’ disease, the determination of the cause of thyrotoxicosis is important for establishing appropriate management. Diagnosis of surreptitious ingestion of thyroid…

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Negative / Null Result Report

THINK AGAIN: DO INNOVATING FIRMS OUTPERFORM NON‐INNOVATORS?

Paul Geroski, Steve Machin · 2013 · Business Strategy Review

Innovation remains high on the corporate agenda. In this 1992 article, Paul Geroski and Steve Machin argue that innovating firms are both more profitable and grow faster than non‐innovators. But the major difference in performance turns…

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Negative / Null Result Report

Early surgery within 48 hours of admission for hip fracture did not improve 1-year mortality in Japan: a single-institution cohort study

Hiroki Iida, Yasuhiko Takegami, Yoshihito Sakai et al. · 2024 · HIP International

Introduction: Early surgery for hip fracture, within 48 hours of hospital admission, is effective in reducing mortality. However, the average preoperative waiting time for hip fractures in Japan is 4.5 days and the 1-year mortality rate…

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Negative / Null Result Report

Association between cognitive diagnosis and a range of significant life events in an elderly essential tremor cohort: a longitudinal, prospective analysis

Diane S. Berry, Diep Nguyen, Stephanie Cosentino et al. · 2023 · Frontiers in Neurology

Background Although essential tremor (ET) patients have greater odds of mild cognitive impairment (MCI) and dementia than age-matched controls, the functional consequences of these enhanced odds are unknown. We examined associations…

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Negative / Null Result Report

PENGEMBANGAN PENDEKATAN EVALUASI THE MOST SIGNIFICANT CHANGE TECHNIQUE DALAM PEMBELAJARAN PENDIDIKAN JASMANI OLAHRAGA DAN KESEHATAN

Resty Gustiawati, Fahrudin Fahrudin, Febi Kurniawan et al. · 2019 · Multilateral Jurnal Pendidikan Jasmani dan Olahraga

Penelitian ini berjudul “Pengembangan Pendekatan Evaluasi The Most Significant Change Technique dalam Pembelajaran Pendidikan Jasmani Olahraga dan Kesehatan”. Penelitian ini bertujuan untuk Mengembangkan Pendekatan Evaluasi The Most…

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Negative / Null Result Report

Uropathogenic Escherichia coli causes significant urothelial damage in an ex vivo porcine bladder model, with no protective effect observed from cranberry or d -mannose

Jenane Konesan, Kate H Moore, Kylie J Mansfield et al. · 2024 · Pathogens and Disease

Abstract Urinary tract infections (UTIs), primarily caused by uropathogenic Escherichia coli (UPEC), have an unclear impact on bladder mucosal physiology. This study investigates UPEC’s effects on the urothelium and lamina propria using an…

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Negative / Null Result Report

Deuterium-depletion has no significant impact on the mutation rate of Escherichia coli, deuterium abundance therefore has a probabilistic, not deterministic effect on spontaneous mutagenesis

Walliyulahi Ajibola, Ildikó Karcagi, Gábor Somlyai et al. · 2021 · PLOS ONE

Deuterium (D), the second most abundant isotope of hydrogen is present in natural waters at an approximate concentration of 145–155 ppm (ca. 1.5E-4 atom/atom). D is known to influence various biological processes due to its physical and…

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Negative / Null Result Report

Thalassemia and assisted reproduction: non-transfusion-dependent thalassemia shows no significant effect on live birth rates after embryo transfer

Li Fan, Liuyan Wei, Ni Tang et al. · 2025 · Frontiers in Cell and Developmental Biology

Background Thalassemia is a hereditary blood disorder that can impact fertility due to various factors such as iron overload and endocrine disruption. While the effects of iron overload on fertility outcomes in transfusion-dependent…

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Negative / Null Result Report

Host Bloodmeal Source Has No Significant Effect on the Fecundity and Subsequent Larval Development Traits of the Progeny in Culicoides furens Poey (Diptera: Ceratopogonidae)

Dinesh Erram, Theodore Vincent Black, Nathan Burkett-Cadena · 2021 · Journal of Medical Entomology

Abstract Culicoides Latreille species (Diptera: Ceratopogonidae) are insects of significant medical and veterinary importance worldwide because their bites can cause major annoyance, allergic reactions, and/or pathogen transmission to…

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Negative / Null Result Report

Man vs. machine: can AI outperform ESL student translations?

Anas Alkhofi · 2025 · Frontiers in Artificial Intelligence

This study compares the quality of English-to-Arabic translations produced by Google Translate (GT) with those generated by student translators. Despite advancements in neural machine translation technology, educators often remain…

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Negative / Null Result Report

Implementation of significant mental health service change: perceptions and concerns of a mental health workforce in the context of transformation

Margaret Glogowska, Melissa Stepney, Stephen Rocks et al. · 2022 · Journal of Health Organization and Management

Purpose As part of an evaluation of the nationally mandated Child and Adolescent Mental Health Services (CAMHS) “transformation” in one foundation NHS trust, the authors explored the experiences of mental health staff involved in the…

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