20,261 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.
Cramer RJ, Cain SM, Zabelski S et al. · 2025 · Death studies
The Suicide Competency Assessment Form-Revised (SCAF-R) has only been used in English-speaking samples. The present study tested psychometric properties of the Finnish Version (SCAF-FV), a translated version of the original instrument.…
View details →Mills F, Drury J, Symons C et al. · 2025 · Preprint
Online support groups provide support to people with Long Covid in the absence of formal treatment, but their effects on health outcomes are unclear. In this longitudinal study, we examined the role of shared social identity with an online…
View details →Avidor S, Shenkman G, Shrira A et al. · 2026 · The journals of gerontology. Series B, Psychological sciences and social sciences
Objectives For aging combat veterans, experiencing renewed war in old age can exacerbate coping with age-related challenges. The present study sought to examine how past and current war-related stressors affect long-term trajectories of…
View details →Kumari A, Hasan K, Mirza AZ et al. · 2026 · Annals of neurosciences
Background Digital political campaigning in India has expanded rapidly, increasing the likelihood that young voters encounter election-related content routinely across social platforms and messaging groups. The Neurocognitive and mental…
View details →Ng MK, Mathew J, Dalton J et al. · 2026 · European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
PURPOSE: Venous thromboembolism (VTE) is an uncommon but potentially devastating complication following spine surgery. Although early mobilization is encouraged as a preventive measure, the influence of inpatient physical therapy on VTE…
View details →Volleman C, Phelp PG, Dubelaar DPC et al. · 2026 · Journal of cardiothoracic and vascular anesthesia
Objectives Acute kidney injury (AKI) is a common complication following cardiac surgery with cardiopulmonary bypass (CPB). This study investigated whether cell-free hemoglobin (CFHb) levels after CPB are associated with endothelial damage…
View details →Rémeau M, Raffy G, Borst G · 2026 · Journal of youth and adolescence
Although the association between academic achievement and well-being has been widely studied in cross-sectional and correlational studies, prior research has rarely clarified the directionality of these links by adopting a longitudinal…
View details →Pennington Z, Mikula AL, Hamouda A et al. · 2026 · Clinical neurology and neurosurgery
Objective To assess paraspinal muscularity and bone quality contribution to PJK risk. Methods Defining PJK as ≥ 10° increase in proximal junctional angle from first upright radiograph, thoracolumbopelvic fusion patients experiencing PJK…
View details →Hintz F, James AN, Nieber L et al. · 2025 · Preprint
The present study investigated predictors of individual differences in linguistic knowledge and spontaneous language use in adults. Specifically, we examined the role of domain-general cognitive abilities—working memory, nonverbal…
View details →Brol MJ, Groth M, Uschner FE et al. · 2025 · GeroScience
Metabolic dysfunction-associated steatotic liver disease (MASLD) is a prevalent condition increasingly recognized in aging populations. However, its clinical relevance in older adults-particularly in relation to sarcopenia, cognitive…
View details →Forster SE, Forman SD, Dickey MW et al. · 2026 · Drug and alcohol dependence
Background Veterans are disproportionately affected by cocaine use disorder (CUD), a condition without approved pharmacotherapies, marked by high return to use rates. Prize-Based Contingency Management (PBCM) is an effective behavioral…
View details →· 2026 · Emotion (Washington, D.C.)
Reports an error in "Affective control in adolescence: The influence of age and depressive symptomatology on working memory" by Kirsty Griffiths, Darren L. Dunning, Jenna Parker, Marc Bennett, Susanne Schweizer, Lucy Foulkes, Saz Ahmed,…
View details →McQuistan MR, Young LB, Pendleton C · 2025 · Journal of dental education
Objectives Research indicates significant improvement in average attitudes toward those in poverty following poverty simulations, but little research addresses whether students benefit uniformly. This study measured variability in poverty…
View details →Li HM, Flett GL, Cao CH et al. · 2026 · Journal of youth and adolescence
Although cross-sectional research links mattering to reduced adolescent loneliness, longitudinal studies examining temporal dynamics and distinctions between analytical levels or mattering dimensions are scarce. Without understanding…
View details →Zhao J, Verschuere B, Wiechert S · 2025 · Preprint
Whether people can actively suppress unwanted thoughts is highly controversial. Anderson and Green (2001) developed the Think/No-Think (TNT) task and found that suppressing a memory reduces later recall, referred to as the…
View details →Holmgren K, Fletcher-Sandersjöö A, Sæmundsson B et al. · 2026 · Journal of neurosurgery
Objective Postoperative surgical site infections (SSIs) following brain tumor surgery frequently necessitate wound revision and bone flap removal. However, data on subsequent cranial reconstruction in this context remain limited. The aim…
View details →Roach A, Furman S, Hadeed J et al. · 2025 · American journal of primatology
Assessments of nonhuman primate (NHP) affiliation are typically restricted to daytime behavior. There is, however, a growing interest in understanding NHP behavior and welfare over the 24-h period. To assess the sleep quality and sociality…
View details →Ahmed I, Dhaif F, Bowes MA et al. · 2025 · The bone & joint journal
Aims The aim of this study was to describe the baseline characteristics of patients with a meniscal tear and explore associations with 12-month outcomes. Methods This prospective, national multicentre cohort study recruited patients aged…
View details →Holmgren HG, Densley RL, Coyne SM et al. · 2026 · Journal of family psychology : JFP : journal of the Division of Family Psychology of the American Psychological Association (Division 43)
Prior research suggests a link between maternal depression and mothers' problematic media use (PMU), defined as compulsive or dysregulated media use that interferes with daily functioning. This study examined whether parenting…
View details →Naylor A, Keegan R, Martin K et al. · 2025 · Journal of sports sciences
Physical literacy has been shown to relate to children's engagement in physical activity. However, it is unclear whether this relationship extends to adults. A two-phase cross-sectional study was conducted to examine whether physical…
View details →Waddell JT, DeFalco A, Emery NE · 2026 · Addictive behaviors
Rationale Impaired control over alcohol use is a core aspect of Alcohol Use Disorder symptomatology. However, research regarding how impaired control manifests at the day-level, and what temporally proceeds it in daily life, remains…
View details →Pratyusha K, Chaitanya P, Vinay C et al. · 2025 · European oral research
Purpose The aim of this study was to evaluate the effect of using an intraoral camera (IOC) as an educational aid for promoting oral health among 7-10-year-old children in India. Materials and methods A randomized trial was conducted…
View details →Vogelsang M, Schäfer A, Ehrenreich A et al. · 2025 · Journal of Experimental Child Psychology
Studies on the development of sharing resources as one aspect of prosocial behavior have revealed that single recipient characteristics affect preschoolers’ sharing decisions. In the current study, we investigated (a) whether preschoolers…
View details →Sookud S, Martin I, Gillan CM et al. · 2026 · Biological psychiatry. Cognitive neuroscience and neuroimaging
Background Diminished use of goal-directed (model-based) decision making is a hallmark of transdiagnostic compulsivity, promoting an overreliance on inflexible and habitual behaviors. However, the origin of this impairment remains unclear.…
View details →Duckett W, Simons J · 2025 · Preprint
Vivid mental imagery is often assumed to relate to memory accuracy, but recent empirical findings from studies of aphantasia have found conflicting results regarding this association. The present study investigates the relationship between…
View details →Aumtong S, Soongsoongnoen P, Wanwinit D · 2026 · Scientific reports
Biochar reshapes soil composition for years, yet most evidence comes from short-term, single-element laboratory incubations, leaving multi-element dynamics in tropical soils poorly resolved. We tracked 11 elements in longan-wood biochar…
View details →Heled E, Himai Y, Papelbaum M et al. · 2026 · Journal of psychiatric research
Impaired cognitive flexibility (CF) and elevated perfectionism are well-documented in anorexia nervosa (AN), yet their contribution to symptom severity remains unclear. The current study aimed to examine whether CF predicts symptom…
View details →Pirbornatan A, Chalmeh A, Pourjafar M et al. · 2026 · Veterinary journal (London, England : 1997)
Periparturient immunometabolic adaptations yield small, node-dependent shifts in endotoxin proxies and insulin-sensitivity indices. Direct-fed microbials (DFM) are mechanistically plausible but often produce modest metabolic readouts. Test…
View details →Baranovskaya I, Bilous I, Alexander S et al. · 2026 · Preprint
Mineralocorticoid receptor (MR) blockade exerts sex-specific effects in hypertension and cardiovascular disease; however, its role in blood pressure regulation in spontaneously hypertensive rats (SHR) remains unclear. We assessed the…
View details →Hura A, Green T, Kennedy C · 2026 · Archives of environmental contamination and toxicology
With increasing petroleum transport through coastal waters of the northeastern Pacific, understanding the ecological hazards of these mixtures is essential, yet the sublethal impacts on benthic filter feeders remain poorly characterized.…
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