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Browse the failure-mode index

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 Report

Do ETFs outperform CEFs in fixed income investing?

C. Edward Chang, Thomas M. Krueger, H. Doug Witte · 2015 · American Journal of Business

Purpose – For a number of reasons ranging from their more recent introduction to their perceived lesser excitement relative to stock-based peers, there have been few studies of fixed income (mainly bond) exchange-traded funds (ETFs). The…

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Negative / Null Result Report

Significant Temporal Association of Esophageal Air Events (Supragastric Belches, Air Swallows, and Gastric Belches) With Hiccups

Frederick W. Woodley, Kent Williams, Carlo Di Lorenzo et al. · 2022 · JPGN Reports

We previously reported our ability to objectively assess the strength of temporal relationships between gastroesophageal reflux (GER) disease‐like symptoms with esophageal air events (EAEs) (air swallows, gastric belching, and supragastric…

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Negative / Null Result Report

Climate change impact on the degradation of historically significant wooden furniture in a cultural heritage building in Vestfold, Norway

Petros Choidis, Akriti Sharma, Giulia Grottesi et al. · 2022 · E3S Web of Conferences

Climate change is expected to significantly affect the interior climate of old, leaky buildings without HVAC systems. As a result, the items of cultural significance that are hosted indoors will experience new ambient conditions, which…

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Negative / Null Result Report

Feature selection by replicate reproducibility and non-redundancy

Tümay Capraz, Wolfgang Huber · 2024 · Bioinformatics

Abstract Motivation A fundamental step in many analyses of high-dimensional data is dimension reduction. Two basic approaches are introduction of new synthetic coordinates and selection of extant features. Advantages of the latter include…

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Negative / Null Result Report

Lack of Association between Chlamydophila psittaci and Ocular Adnexal MALT Lymphoma in Korean Patients—Is the Geographic or Genetic Difference Significant?

Uiju Cho, Inju Cho, Sung Hak Lee et al. · 2021 · Diagnostics

Clamydophila psittaci (C. psittaci) has been proposed to be an etiologic factor in extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) in the ocular adnexa. However, the pathogenetical significance of the…

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Negative / Null Result Report

How Statistically Significant is the DMCA Coefficient?

Everaldo Freitas Guedes · 2021 · Fluctuation and Noise Letters

In this paper, we proposed a statistical test for the Detrending Moving-Average Cross-Correlation Coefficient ([Formula: see text]). With this methodology, it is possible to evaluate the statistical significance of [Formula: see text] for…

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Negative / Null Result Report

Effect of ibuprofen for hemodynamically significant patent ductus arteriosus closure on the development of acute kidney injury in preterm infants

T.P. Borysova, O.Yu. Obolonska · 2021 · Medicni perspektivi (Medical perspectives)

Premature infants with hemodynamically significant patent ductus arteriosus (HSPDA) have a high risk of developing acute kidney injury (AKI) due to renal hypoperfusion and use of ibuprofen for duct closure. The aim of the study was to…

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Negative / Null Result Report

A qualitative process evaluation using the behaviour change wheel approach: Did a whole genome sequence report form ( SRF ) used to reduce nosocomial SARS‐CoV ‐2 within UK hospitals operate as anticipated?

Paul Flowers, Ruth Leiser, Fiona Mapp et al. · 2023 · British Journal of Health Psychology

Abstract Purpose The aim of this study was to conduct a process evaluation of a whole‐genome sequence report form (SRF) used to reduce nosocomial SARS‐CoV‐2 through changing infection prevention and control (IPC) behaviours within the…

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Negative / Null Result Report

Preoperative walking intervention did not appear to improve patient-reported postoperative recovery in older adults with frailty traits: Randomized trial

Hammad Sadiq, Sanjeev Rampam, Jay Patel et al. · 2022 · Medicine

Objectives: To assess the impact of a preoperative walking intervention on improving postoperative recovery in at-risk frail older adult patients. Study Type: Unblinded, randomized controlled trial which assigned patients to intervention…

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Negative / Null Result Report

MENGINTEGRASIKAN TEKNOLOGI DIGITAL DALAM PEMBELAJARAN DI MI/SD PADA ERA REVOLUSI INDUSTRI 5.0

Shinta April Lailia, Siti Fatimah, Afil Fres Seftiana et al. · 2023 · SIGNIFICANT : Journal Of Research And Multidisciplinary

Penelitian ini bertujuan untuk mengeksplorasi media dan metode yang tepat dalam penerapan teknologi digital di sekolah-sekolah dengan fokus pada pendidikan MI/SD. Beberapa contoh media yang mendukung seperti Quizizz, Wordwall, Zoom, dan…

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Negative / Null Result Report

No significant post‐operative limb length difference following medial opening wedge high tibial osteotomy in a multi‐ethnic Southeast Asian population

Brjan Kaiji Betzler, Sandip Singh Saggi, Matthias Yi Quan Liau et al. · 2023 · Journal of Experimental Orthopaedics

Abstract Purpose This study aims to assess the significance of post‐operative change in limb length in medial opening wedge high tibial osteotomy (MOWHTO), and evaluate the correlation between correction angles and changes in limb length.…

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Negative / Null Result Report

Fellow Efficiency During Anterior Cruciate Ligament Reconstruction Improves Over Time, Yet Is Less Than Experienced Physician Assistant But With No Significant Difference in Patient‐Reported Outcomes

Sean M. Hazzard, Donna M. Scarborough, Eric M. Berkson et al. · 2022 · Arthroscopy, Sports Medicine, and Rehabilitation

Purpose To evaluate the intraoperative efficiency and patient outcomes of anterior cruciate ligament reconstruction (ACLR) assisted by a sports medicine fellow over the course of the academic year compared with an experienced physician…

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