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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

Plyometrics Did Not Improve Jump-Landing Biomechanics in Individuals With a History of Anterior Cruciate Ligament Reconstruction: A Randomized Controlled Trial

Hyunjae Jeon, Sean Krysak, Steven J. Pfeiffer et al. · 2022 · International Journal of Athletic Therapy and Training

Second anterior cruciate ligament (ACL) injury has similar biomechanical risk factors as primary injury. Standard of care rehabilitation does not adequately mitigate these biomechanical risks. This study examined the effectiveness of a…

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Negative / Null Result Report

Supplementation of graded levels of rumen-protected choline to a pelleted total mixed ration did not improve the growth and slaughter performance of fattening lambs

Qin Huo, Xuezhao Sun, Tingting Wu et al. · 2022 · Frontiers in Veterinary Science

Choline is an essential nutrient in ruminant diets, which contributes to the fundamental biological functions of the animal. However, choline is easily degraded in the rumen before it can be absorbed. Rumen-protected choline (RPC)…

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Negative / Null Result Report

Data protection concerns are a statistically significant reason for refusal: Exploratory study of the patient perspective on telemedicine services based on 735 gynecological surgery patients

Sascha Hoffmann, Marina Ott, Franziska Bobbert et al. · 2024 · DIGITAL HEALTH

Objective Internet-based healthcare is a crucial facet of telemedicine. Here, we examine telemedicine methods in perioperative care for gynecological surgery from a patient's perspective. We aim to understand the patients’ needs during…

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Negative / Null Result Report

Hubble diagrams in statistically homogeneous, anisotropic universes

Theodore Anton, Timothy Clifton · 2024 · Journal of Cosmology and Astroparticle Physics

Abstract We consider the form of Hubble diagrams that would be constructed by observers in universes that are homogeneous but anisotropic, when averaged over suitably large length-scales. This is achieved by ray-tracing in different…

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Negative / Null Result Report

STABILIZER

Charlie Curtsinger, Emery D. Berger · 2013 · ACM SIGPLAN Notices

Researchers and software developers require effective performance evaluation. Researchers must evaluate optimizations or measure overhead. Software developers use automatic performance regression tests to discover when changes improve or…

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Negative / Null Result Report

Comparison of AI ‐Generated and Instructor Feedback: No Significant Difference in Perceived Feedback Quality and Neither on Performance

Şeyma Çağlar‐Özhan, Perihan Tekeli, Selay Arkün‐Kocadere · 2025 · Journal of Computer Assisted Learning

ABSTRACT Background Feedback is an essential part of the educational process as it enriches students' learning experiences, provides information about their current performance, shows them what is lacking in achieving goals, and provides…

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Negative / Null Result Report

Evaluation Methods for Statistically Dependent Text

Sarvnaz Karimi, Jie Yin, Jiri Baum · 2015 · Computational Linguistics

In recent years, many studies have been published on data collected from social media, especially microblogs such as Twitter. However, rather few of these studies have considered evaluation methodologies that take into account the…

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Negative / Null Result Report

Where do we expect to find deep plant roots?

G. Annie Mailloux, Mazvita Chikomo, Ying Fan · 2025 · Ecography

Plant roots have been observed up to 70 m in depth – what would compel a plant to root so deeply? Earlier work shows that the climate, soil and drainage all affect rooting depth, but with conflicting results. For example, both the deepest…

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Negative / Null Result Report

No significant difference in intermediate key outcomes in men with low- and intermediate-risk prostate cancer managed by active surveillance

Karolina Cyll, Sven Löffeler, Birgitte Carlsen et al. · 2022 · Scientific Reports

Abstract Active surveillance (AS) is standard of care for patients with low-risk prostate cancer (PCa), but its feasibility in intermediate-risk patients is controversial. We compared outcomes of low- and intermediate-risk patients managed…

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Negative / Null Result Report

Mining Statistically Significant Patterns with High Utility

Huijun Tang, Jiangbo Qian, Yangguang Liu et al. · 2022 · International Journal of Computational Intelligence Systems

Abstract Statistically significant pattern mining (SSPM) is to mine patterns with significance based on hypothesis test. Under the constraint of statistical significance, our study aims to introduce a new preference relation into high…

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Negative / Null Result Report

Funding source and primary outcome changes in clinical trials registered on ClinicalTrials.gov are associated with the reporting of a statistically significant primary outcome: a cross-sectional study

Sreeram V Ramagopalan, Andrew P. Skingsley, Lahiru Handunnetthi et al. · 2015 · F1000Research

Background : We and others have shown a significant proportion of interventional trials registered on ClinicalTrials.gov have their primary outcomes altered after the listed study start and completion dates. The objectives of this study…

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Negative / Null Result Report

Bit Security as Cost to Demonstrate Advantage

Keewoo Lee · 2024 · IACR Communications in Cryptology

We revisit the question of what the definition of bit security should be, previously answered by Micciancio-Walter (Eurocrypt 2018) and Watanabe-Yasunaga (Asiacrypt 2021). Our new definition is simple, but (i) captures both search and…

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