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.
20261 results in Negative / Null Result Report · page 575 of 676
Li R, Briers T, McDonald S · 2023 · Preprint
Understanding the cross-cultural differences in emotion perception has captured the interest of researchers for decades. While various mechanisms have emerged to explain such differences, the general inclination to differentiate emotions,…
Schauer G, Grassi PR, Gharabaghi A et al. · 2023 · Preprint
The role of the parietal cortex in perceptual awareness and in resolving perceptual ambiguity is unsettled. Early influential TMS studies have revealed differences in conscious perception following parietal stimulation, fuelling the notion…
Lee AJ, Jones BC, Zietsch BP et al. · 2023 · Scientific reports
Although many researchers have proposed that women will show stronger preferences for male facial masculinity when conception probability is high, empirical tests of this hypothesis have produced mixed results. One possible explanation for…
Kardouh MS, Van Wagoner C, Coleman J et al. · 2026 · Cureus
Objectives Whiplash injuries are among the most common cervical spine injuries in the pediatric population. Limited literature demonstrates a potential link between cervical spine trauma and demyelinating disease, such as multiple…
Liu J, Long Y, Yang Z · 2026 · Nutrients
Background Growing evidence suggests that vitamin D plays a role in the pathophysiology of childhood asthma. However, its effectiveness in reducing asthma exacerbations and improving asthma-related outcomes remains controversial. Methods…
Møller P, Roursgaard M · 2024 · Mutation research. Reviews in mutation research
Humans ingest particles and fibers on daily basis. Non-digestible carbohydrates are beneficial to health and food additives are considered safe. However, titanium dioxide (E171) has been banned in the European Union because the European…
Jin Q, Liu Y, Tong Q et al. · 2025 · Frontiers in nutrition
Objective To examine whether a concise, clinic-feasible Patient Inflammatory Diet Score (PIDS) relates to prevalent pancreatic cancer and cardiovascular disease (CVD) in a hospital population, and to explore associations with systemic…
Davidenko N, Day J · 2025 · Memory & cognition
Humans' ability to draw faces accurately from memory is extremely rare. One source of difficulty is the drawing process itself, which requires converting a complex, three-dimensional mental representation to a two-dimensional drawing. To…
Gaskins AJ, Newman AJ, Kawwass JF et al. · 2026 · Environmental research
Background While extreme ambient heat has been associated with several adverse pregnancy and birth outcomes little is known regarding the link between extreme ambient temperatures and human fertility. Objective To evaluate the associations…
van Bree S, Mackenzie AS, Wimber M · 2024 · Imaging neuroscience (Cambridge, Mass.)
The application of multivariate pattern analysis (MVPA) to electroencephalography (EEG) data allows neuroscientists to track neural representations at temporally fine-grained scales. This approach has been leveraged to study the locus and…
Sato K, Inoue K, Yamaguchi T et al. · 2025 · JAMA network open
Importance Excess salt intake is a major modifiable risk factor for hypertension and cardiovascular disease. Personalized interventions using genetic information and digital tools, such as smartphone applications, may enhance sodium…
Liu P, Zeng Q · 2025 · Journal of multidisciplinary healthcare
Background The causal relationship between HIV infection and insulin resistance, as well as diabetes mellitus, remains uncertain. This study explores these associations using genome-wide association study data and Mendelian randomization…
Shaaban M, Ryan JT, Adediran E et al. · 2026 · F&S reports
Objective To study whether incident endometriosis diagnosis, staging, and typology are associated with concurrent elevated serum inflammatory markers interleukin-6 (IL-6), interleukin-8 (IL-8), and tumor necrosis factor alpha (TNF- α ).…
Levy H, Naples A, Collett S et al. · 2023 · Preprint
Individuals with hoarding disorder (HD) have difficulty parting with personal possessions, which leads to the accumulation of excessive clutter. According to a proposed biphasic neurobiological model, HD is characterized by blunted central…
Zebarjadi N, Kluge A, Adler E et al. · 2024 · eNeuro
The study of ideological asymmetries in empathy has consistently yielded inconclusive findings. Yet, until recently these inconsistencies relied exclusively on self-reports, which are known to be prone to biases and inaccuracies when…
Anettová L, Šipková A, Cibulka P et al. · 2025 · Parasitology research
This study summarizes the findings of a comprehensive field investigation into the presence of Angiostrongylus cantonensis, a zoonotic nematode responsible for meningitis, in selected regions of the eastern Mediterranean. Samples were…
Vengurlekar IN, Thudi KR · 2025 · Psychological reports
Video gaming has become a popular method of entertainment for college students. Previous work indicates mixed results regarding the link between video gaming and mental health outcomes. However, little research has addressed how different…
Chatlaong MA, Stanford DM, Miller WM et al. · 2024 · Clinical hemorheology and microcirculation
Background Post-occlusive reactive hyperemia (PORH) typically requires caffeine abstinence. For habitual users, it is unknown if abstinence affects PORH. Objective Compare PORH after habitual users consume or abstain from caffeine. Methods…
Kaplan-Kahn EA, Russell M, Kellen D et al. · 2023 · Preprint
In spoken language, the prosodic contours of a speaker’s voice, including the volume, duration, and intonation of each syllable, influence the moment-to-moment processing of the utterance’s meaning. A robust body of literature supports the…
Gupta A, Dashti HS · 2025 · Current sleep medicine reports
Purpose of review Daytime napping, a brief sleep episode during the day, has mixed health effects. This review explores the relationship between daytime napping frequency and health outcomes by synthesizing results from published Mendelian…
Ashy C, Few WE, Rivas GA et al. · 2026 · HCA healthcare journal of medicine
Introduction Concerns are rising regarding the quality, validity, and reliability of clinical research findings in medical literature. This investigation sought to identify the most cited orthopedic clinical studies and assess the…
López-Padilla MF, Seoane-Miraz D, Guiñón-Fort D et al. · 2026 · Antioxidants (Basel, Switzerland)
Polyphenols represent the largest and most diverse class of dietary antioxidants. Epidemiological evidence linking specific (poly)phenol classes, such as flavonoids and lignans, to breast cancer (BC) risk remains limited and largely…
Lazarevic LB, Wagge JR, Balci BB et al. · 2023 · Preprint
The present study presents results of a collaborative registered replication of Griskevicius et al.’s (2010) findings from Experiment 1 conducted by 24 student groups from six countries (N = 3,774) investigating if pro-environmental…
Ensinck ENF, Lakens D · 2023 · Preprint
We quantified how many studies registered on the Open Science Framework (OSF) up to November 2017 are performed but not shared after at least 4 years. Examining a sample of 169 registered research studies we found that 104 (61.5%) were…
Zhang X, Machlin L, McLaughlin K et al. · 2025 · Developmental psychology
This study tests Frankenhuis and Panchanathan's (2011) evolutionary commitment hypothesis by examining individual differences in susceptibility to the effects of parenting during early and late childhood. Drawing from the Future of…
O'Connell SR, Wilson GE, Berkowitz DH et al. · 2026 · Imaging neuroscience (Cambridge, Mass.)
Groove is the pleasurable urge to move to the beat of music, a universally experienced human phenomenon. Because listeners are often inspired to move to music with groove, we asked whether high-groove music would promote greater motor…
Colbeth HL, Riddell CA, Thomas M et al. · 2024 · Journal of epidemiology and community health
Background Structural racism's influence on workforce policies and practices presents possible upstream targets for assessing and reducing racial health disparities. This study is the first to examine workforce racial diversity in…
Miller AL, Zhao Y · 2023 · Physical review letters
Over 10 years ago, Fermi observed an excess of GeV gamma rays from the Galactic Center whose origin is still under debate. One explanation for this excess involves annihilating dark matter, another requires an unresolved population of…
King M, Bruinsma S, Ivry RB · 2024 · Neurobiology of language (Cambridge, Mass.)
Cerebellar involvement in language processing has received considerable attention in the neuroimaging and neuropsychology literatures. Building off the motor control literature, one account of this involvement centers on the idea of…
Obara-Gołębiowska M · 2026 · Eating and weight disorders : EWD
Purpose To identify person-centered psychological profiles of eating-related risk based on early maladaptive schemas (EMS), emotion regulation difficulties, and eating behaviors, and to examine their external validation using…