A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.
20289 results in Negative / Null Result Report · page 657 of 677
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…
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…
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…
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)…
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…
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…
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…
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…
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…
Miles-Novelo A, Anderson CA · 2025 · Aggressive behavior
While numerous meta-analyses, reviews, and task forces from various scientific bodies have linked violent media use to aggression, some studies report null effects and claim that such a relationship is non-existent. Several scholars have…
Juković M, Stošić S, Kostić D et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives : Multiple sclerosis (MS) is a chronic inflammatory and neurodegenerative disease that progressively leads to brain atrophy and the accumulation of disability over time. In this study, we used FreeSurfer to…
Sevigny JP, Schrank S, Donka RM et al. · 2026 · eNeuro
Synaptic physiology experiments are fundamental to neuroscience research. Consequently, accurate detection of synaptic currents is crucial for conducting high-quality experiments. Traditionally, detecting inhibitory and excitatory…
Laguna Camacho A · 2024 · Food Quality and Preference.
Recall of recent eating episodes is a versatile approach to test influences on amount eaten of specific food. The present experiment explored if reminding current food intake prompts awareness for eating more healthy food. In a randomised…
Mameno K, Suzuki T, Yamaguchi S et al. · 2026 · Pest management science
Background An economic incentive scheme is utilized to enhance citizens' support for managing invasive non-native species. However, the effectiveness of the incentive scheme in the outcomes of the management remains unclear. This study…
Lantian A, Rose M · 2024 · Scandinavian journal of psychology
Transhumanism is a movement that emphasizes the improvement of the human condition by developing technologies and making them widely available. Conspiracy theories regularly refer to the allegedly transhumanist agenda of elites. We…
Lamba S, Friedman J, Kandpal E · 2025 · Health policy and planning
A long-standing concern suggests that performance-based financing (PBF) may undermine the intrinsic motivation of health workers by heightening extrinsic motivation concerns via the novel introduction of financial incentives. However, the…
Xie Y, Choi T, Al-Aly Z · 2026 · BMJ medicine
Objectives To assess whether initiation of glucagon-like peptide-1 receptor agonists (GLP-1RAs) rather than sulfonylureas is associated with all cause acute pancreatitis and cause specific acute pancreatitis and to characterise temporal…
Hou J, Zhao S, Shi J et al. · 2026 · European journal of medical research
Background Frailty is notably prevalent in individuals aged 50 and older and has been associated with metabolic dysfunction. The triglyceride-glucose (TyG) index is a reliable surrogate marker for insulin resistance. This study aimed to…
Bona SD, Vicovaro M · 2024 · Quarterly journal of experimental psychology (2006)
When a subjective experience of difficulty is associated with a mental task, people tend to engage in systematic and deliberative reasoning, which can reduce the usage of intuitive and effortless thinking that gives rise to cognitive…
Lazarevic LB, Wagge JR, Buchanan EM et al. · 2023 · 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)…
Hu C, Xiao Q, Mei JJ et al. · 2026 · Medicine
The aim of this study was to use Mendelian randomization (MR) method to deeply explore the possible causal association between depression and rotator cuff injury. Using pooled data from genome-wide association studies covering large-scale…
Guitard D, Neath I, Surprenant AM · 2026 · Memory & cognition
The word-length effect refers to the finding that memory on many short-term/working memory tasks is better for words with fewer syllables than words with more syllables. The standard account attributes this result to a combination of decay…
Kipping R, Anne Simpson S, Hannam K et al. · 2026 · The Lancet regional health. Europe
Background Early childhood education and care (ECEC) provision is widespread. NAPSACC UK is an intervention in ECECs designed to improve nutrition and physical activity policies, practice and provision through ECEC staff workshops,…
Huang S, Zhang D, Zhuang J · 2026 · Behavioral sciences (Basel, Switzerland)
Prosocial risk-taking is defined as engagement in altruistic behaviors that may have personal costs. Emerging research indicates that testosterone-a gonadal steroid hormone-is linked to behaviors aimed at promoting one's social status. In…
Mingolo S, Prpic V, Cipora K et al. · 2026 · Psychological research
The SNARC effect indicates that numbers are mapped from left to right as in a mental number line. Accumulating evidence suggests that it could be attributed both to the magnitude or to the order of numbers, but the role of these two…
Manippa V, Brancucci A, Rivolta D et al. · 2023 · Food Quality and Preference.
Displaying foods congruently with the healthy-left/unhealthy-right (HL/UR) horizontal mental representation could, through self-control facilitation, lead to healthier food choices. Here, by using two versions of the same on-line menu, we…
Smirnova I, Shannon A, Teplitskiy M · 2025 · Research policy
In many industries trainees often seek careers different from their mentors. For example, many PhD students seek non-academic careers. Anecdotally, mentors invest less in different-career trainees, but causal evidence is lacking. To fill…
Greenburgh A, Zamperetti L, Bell V et al. · 2024 · Royal Society open science
Paranoia is associated with variation in social behaviour, such as lower inclination to trust others or to behave generously in economic game settings. Such variation may stem, in part, from a reduced tendency to socially identify with…
Howes MT, King J, Rosengren RJ · 2025 · Nutrients
Background/objectives Metabolic (dysfunction)-associated steatotic liver disease (MASLD), the hepatic consequence of metabolic syndrome, affects 30% of the global population. Studies in animals and humans investigating the effect of…
Taylor LM, Parsons J, Moyes SA et al. · 2024 · Journal of the American Medical Directors Association
Objectives To investigate the effect of an exercise program on falls in intermediate and high-level long-term care (LTC) residents and to determine whether adherence, physical capacity, and cognition modified outcomes. Design Randomized…