Negative / Null Result Report
MORRIS CK, KAMUYEAH JVM · 2026 · Preprint
Abstract This study investigates the within country determinants of energy intensity across 29 Sub-Saharan African (SSA) economies over the period 2003–2023, drawing on a panel dataset of country-year observations. Using random effects…
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Saravakos C · 2026 · Preprint
Abstract This paper seeks to examine the relationship between populism and economic freedom across 31 European democracies, during 2001–2023, extending the research by Celico and Rode (2023) and complementing Bergh and Kärnä (2024). The…
View details →Negative / Null Result ReportMedicine
Simsek ET, Sumser K, Mansourinezhad P et al. · 2026 · Physics in medicine and biology
Objective. This scoping review evaluates evidence on whether radiofrequency electromagnetic field (RF-EMF) exposure influences blood-brain barrier (BBB) permeability. Given inconsistent findings across decades of research and expanding…
View details →Negative / Null Result ReportMedicine
Lange JM, Ahmad I, Dengos IJ et al. · 2026 · British journal of cancer
Background The UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS; 2001-2020) showed no reduction in disease mortality in its primary intervention arm using multimodal screening (MMS) with longitudinal Cancer Antigen 125 (CA125)…
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Farzulla M · 2026 · Preprint
Abstract This study investigates whether cryptocurrency whitepaper narratives align with empirically observed market factor structure. We construct a pipeline combining zero-shot NLP classification of 38 whitepapers across 10 semantic…
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Edmonds V · 2026 · Preprint
Upland forest soils oxidize 22–38 Tg CH 4 yr −1 , roughly 5% of the total atmospheric methane sink. A recent study documented a 53–89% reduction at two long-term ecological research networks in the northeastern United States and attributed…
View details →Negative / Null Result ReportMedicine
Murzyn CM, Jans ER, Marshall GJ · 2026 · Physical chemistry chemical physics : PCCP
This article presents experimental results from probing atmospheric air irradiated by a Polonium-210 alpha particle source using both optical emission spectroscopy and continuous wave cavity ring down absorption spectroscopy to study the…
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Fujiyama H, Wansbrough K, Lebihan B et al. · 2026 · Preprint
Non-invasive brain stimulation (NiBS) studies frequently report exploratory correlations between individual-level changes in neurophysiological and behavioural measures. However, these analyses are typically underpowered and rely on…
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Gray JH · 2026 · Preprint
The Laschamps geomagnetic excursion (~41-42 ka BP) represents the largest geomagnetic field collapse in the past 800,000 years, driving documented megafaunal extinctions, Neanderthal extinction, Northern Hemisphere ice sheet expansion, and…
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Williams EA, Ogden R, Stewart AJ et al. · 2025 · Preprint
Trains of auditory clicks increase subsequent judgements of stimulus duration by approximately 10%. Scalar timing theory suggests this is due to a 10% increase in pacemaker rate, a main component of the internal clock. The effect has been…
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Nees MA, Geiss H · 2025 · Preprint
An experiment used a nudge intervention modeled after the question-behavior effect (QBE) in an attempt to reduce speed propensity in a video simulated driving task. Participants viewed a vignette simulating a vehicle start-up sequence. The…
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Nees MA, Geiss H · 2025 · Preprint
An experiment used a nudge intervention modeled after the question-behavior effect (QBE) in an attempt to reduce speed propensity in a video simulated driving task. Participants viewed a vignette simulating a vehicle start-up sequence. The…
View details →Negative / Null Result ReportOpen accessMedicine
Abdelrazek MN, Mohamed HMM, El-Monshed AH et al. · 2026 · Healthcare (Basel, Switzerland)
Background : Preoperative anxiety is a common and clinically significant response among surgical patients, with prevalence estimates ranging from 30% to over 80% depending on measurement method and surgical context. Early maladaptive…
View details →Negative / Null Result ReportOpen accessMedicine
Zhang F, Yang G, Chen Y et al. · 2026 · Virology journal
This comment discusses the critical public health challenge of hepatitis E in pregnancy and highlights the significant safety evidence gap for the HEV239 vaccine in this vulnerable group. Focusing on a landmark study from South Sudan by…
View details →Negative / Null Result ReportOpen accessMedicine
Huang B, Zhang Q, Li H et al. · 2025 · Frontiers in psychology
Background Phase-amplitude coupling (PAC) between low- and high-frequency oscillations provides a candidate mechanism for integrating information across cortical networks. While PAC alterations have been reported in disorders of…
View details →Negative / Null Result ReportMedicine
Mizrahi O, Wilf M, Ovadia-Caro S · 2025 · Cortex; a journal devoted to the study of the nervous system and behavior
Prism adaptation (PA) is a visuomotor adaptation paradigm resulting in transient sensorimotor shifts. Previous work shows PA can cause additional changes in higher-level visuospatial representations in healthy subjects. In patients with…
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Lazarevic LB, Wagge JR, Buchanan EM et al. · 2025 · Preprint
The present study presents the results of a collaborative registered replication of Griskevicius et al. (2010, Experiment 1). As part of the Collaborative Replication and Education Project, 24 student groups from six countries (N = 3,774)…
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Lazarevic LB, Wagge JR, Balci BB et al. · 2025 · Preprint
The present study presents the results of a collaborative registered replication of Griskevicius et al. (2010, Experiment 1). As part of the Collaborative Replication and Education Project, 24 student groups from six countries (N = 3,774)…
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Judd N, Kievit R · 2024 · Preprint
Education is related to a wide variety of beneficial health, behavioral, and societal outcomes. However, whether education causes long-term structural changes in the brain remains unclear. A pressing challenge is that individuals…
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Lazarevic LB, Wagge JR, Balci BB et al. · 2025 · Preprint
The present study presents the results of a collaborative registered replication of Griskevicius et al. (2010, Experiment 1). As part of the Collaborative Replication and Education Project, 24 student groups from six countries (N = 3,774)…
View details →Negative / Null Result Report
Lazarevic LB, Wagge JR, Balci BB et al. · 2025 · Preprint
The present study presents the results of a collaborative registered replication of Griskevicius et al. (2010, Experiment 1). As part of the Collaborative Replication and Education Project, 24 student groups from six countries (N = 3,774)…
View details →Negative / Null Result Report
Lazarevic LB, Wagge JR, Buchanan EM et al. · 2025 · Preprint
The present study presents the results of a collaborative registered replication of Griskevicius et al. (2010, Experiment 1). As part of the Collaborative Replication and Education Project, 24 student groups from six countries (N = 3,774)…
View details →Negative / Null Result ReportOpen accessMedicine
Jun S, Bido-Medina R, Oviedo J et al. · 2026 · Frontiers in human neuroscience
Background Systemic viral infections with neurotropic potential pose significant global health challenges. The Zika virus (ZIKV) is known for its pronounced neurotropism, with recent infectious clusters raising renewed public health…
View details →Negative / Null Result ReportMedicine
Wentura D, Rohr M, Kiefer M · 2025 · Journal of experimental psychology. General
Masked priming paradigms are frequently used to shine light on the processes of nonconscious cognition. Introducing a new method to this field, Lähteenmäki et al. (2015) claimed that affective priming requires awareness. Specifically, they…
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Cimadevila GC, Thain A, Dib M et al. · 2024 · Preprint
Introduction Pernicious anaemia (PA) is characterised by vitamin B 12 deficiency due to autoimmune-mediated destruction of gastric parietal cells and the consequent loss of intrinsic factor. A considerable proportion of PA patients also…
View details →Negative / Null Result ReportOpen accessMedicine
Suiu LI, Vreju FA, Turcu-Stiolica A et al. · 2026 · Journal of clinical medicine
Background/Objective: Psoriasis is a systemic inflammatory disease often associated with metabolic comorbidities, including hyperuricemia. While biological therapies effectively target inflammatory pathways, their specific impact on serum…
View details →Negative / Null Result ReportOpen accessMedicine
Wasiak M, Sypniewski M, Dobosz P et al. · 2026 · Medical sciences (Basel, Switzerland)
Background: Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia worldwide and has a substantial genetic component. Genome-wide association studies (GWASs) have identified more than 100 susceptibility loci; however,…
View details →Negative / Null Result ReportOpen accessMedicine
Gould RK, Moreau K, Fisher B et al. · 2025 · PloS one
It is well established that exposure to nature can reduce stress - but what if that "nature" is in a degraded state? We suggest a gap in research on nature-stress connections--and attempt to fill that gap. We conducted an experiment to…
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Hajra S · 2024 · Preprint
In this article, we have rationally analyzed the null result of the Michelson-Morley experiment, along with the unique observation that all electrodynamic phenomena, whether terrestrial, solar, or astral, are independent of the motion of…
View details →Negative / Null Result ReportOpen accessMedicine
Brown AE, Marostica CW, Martini WA · 2026 · Journal of personalized medicine
Background/Objectives: Machine learning (ML) models can predict hospital admission from emergency department (ED) triage data with areas under the receiver operating characteristic curve (AUC) exceeding 0.85. Whether incorporating the…
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