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.
19840 results in Negative / Null Result Report · page 269 of 662
Krebs B, Tansley E, Conley Q et al. · 2026 · Preprint
Implicit bias is commonly assessed using a range of behavioral and cognitive measures; however, the extent to which these instruments capture the same underlying construct remains unclear. This study examined the relationship between the…
Şahin TG · 2026 · BMC psychology
This study investigates the relationships among job satisfaction, school climate, and career sustainability among native language teachers working in rural regions of Türkiye, with a particular focus on the mediating role of school…
Keskin M · 2026 · Preprint
Testicular metabolism can be noninvasively assessed using FDG-PET/CT, which provides insights into physiological and age-related changes. Understanding normal testicular FDG uptake is essential to distinguish between benign variation and…
Mohammadizadeh M, Rahmani R, Jalili J et al. · 2026 · BMC pregnancy and childbirth
Introduction and objective Postpartum depression is a common complication in mothers that leads to adverse outcomes for mothers, children, and families. Some studies have investigated the role of supplement use in reducing and preventing…
Gansner M, Weitzman ER, Minegishi M et al. · 2026 · Substance use & addiction journal
Purpose Safety flag (SF) protocols are increasingly used in adolescent substance use research to protect of minor participants. This report examines the relationship between different thresholds for reporting participant substance use and…
Veral MA, Pickup RW, Roy M et al. · 2026 · BMC public health
BACKGROUND: Mycobacterium avium subspecies paratuberculosis (MAP) is the bacterial pathogen which causes Johne’s disease (JD) in animals and is reported to be significantly associated with Crohn’s disease (CD) in humans. MAP is the…
Haykal M, Li B, Avellaneda Ojeda A et al. · 2026 · The journal of applied laboratory medicine
Background Interpretation of urine buprenorphine and norbuprenorphine concentrations is widely used to assess adherence during treatment for opioid use disorder. However, the relationships between dose, timing of sample collection, and…
Okono EB, Azuonwu G, Ekpenyong A et al. · 2026 · Preprint
Abstract Adolescent engagement in unsafe sexual practices remains a public health concern in Nigeria despite the presence of school health programs. This study assessed the implementation of the school-health program in preventing unsafe…
Simorangkir DA, Modjo R · 2026 · Preprint
Abstract* Background In 2023, the Government of the Republic of Indonesia mandated all mining companies to assess their Mining Safety and Health Performance Maturity Level (MSHPML) as a basis for formulating Occupational Safety and Health…
Ozaki S, Chaplow JS, Dodd B et al. · 2026 · Ecotoxicology (London, England)
This study focused on the exposure of a terrestrial raptor, the peregrine falcon (Falco peregrinus), in the United Kingdom. In contrast to inland areas, peregrine falcons in coastal areas of North Cornwall, South-west England, have…
zangeneh s, naderi m, tahmasebi m et al. · 2025 · Preprint
Abstract Background : childbearing intention is influenced by individual and social factors. Childbearing intention is of particular importance as a unique factor of population growth at the global level. The purpose of this study is to…
Levy I, Habib L, Morgan S et al. · 2026 · Journal of clinical medicine
Aims : The aim of this study is to characterise corneal epithelial thickness profiles after Descemet membrane endothelial keratoplasty (DMEK) and compare it with healthy controls, focusing on inferior-superior (I-S) epithelial thickness…
Moradi A, Mohajeri Y, nikoo F · 2026 · Preprint
Abstract Objective: This study examines how maxillary sinus volume is influenced by factors such as nasal septum deviation, hard palate shift, and the presence of concha bullosa, considering the sinus’s close anatomical relationship with…
Cömert H, Çege EE · 2026 · BMC oral health
Background This in vitro study aimed to evaluate and compare the effects of SDF- and SDF + KI-based pretreatment protocols, with or without NaOCl surface preparation, on microleakage, discoloration, and fissure sealant penetration depth in…
Aldaghi MA, Yazdi NS, Abadi MEA et al. · 2025 · JGH open : an open access journal of gastroenterology and hepatology
Abdominal pain is one of the most common complaints to the pediatric clinic and can be challenging for the physician. Among children who present with abdominal pain, constipation is one of the main causes of abdominal pain, and its…
Alhadreti O · 2026 · Assistive technology : the official journal of RESNA
Digital accessibility has become an essential aspect of web design, ensuring that online services are usable by all individuals, including those with disabilities. Yet, the accessibility of tourism websites, particularly in developing…
Fırtına Topcu K, Cankorkmaz L, Hasbek M · 2026 · Turkiye parazitolojii dergisi
Objective This study aimed to retrospectively evaluate the serological, clinical, and radiological findings in the diagnosis of cystic echinococcosis (CE) in pediatric patients. The relationship between serological test results and…
BAYRAK AZ · 2026 · Preprint
Abstract This study examines the impact of the financial sector on environmental sustainability in the member countries of the Organization of Turkic States (OTS). The aim of the study is to identify banking activities that affect…
Zmyślona J, Czubak W · 2026 · Journal of dairy science
Investments play a pivotal role in the development of all farms, irrespective of their type. This role is particularly pronounced in the case of dairy farms, given the specialized nature of animal production, which involves buildings and…
Ding R, Boen R · 2026 · Preprint
Abstract The demand for culturally and linguistically responsive counselor education is rising in the United States; however, existing research on the challenges and mental health of international counselors-in-training is limited.…
Cunanan MJZ, Buensalida D, Capunong J et al. · 2026 · BMC nursing
Background Effective collaboration among nurses is essential for delivering safe and high-quality patient care, particularly in high-acuity environments such as emergency departments. Ineffective collaboration may lead to poor…
Khalafi N, Kazemi K, Beyzaei Z et al. · 2026 · Transplant immunology
Background Complement component 4 degradation product (C4d) staining is a routine ancillary tool in diagnosing antibody-mediated rejection (AMR) in renal and cardiac allografts, but its role in liver transplantation (LT) remains…
Ataman M, Yılmaz E, Yufka M et al. · 2026 · World journal of urology
Objective This study aims to investigate the relationship between the use of short-term preoperative urinary catheters and the development of postoperative urethral stricture in patients undergoing transurethral resection of the prostate…
Çalı O, Yıldız R · 2026 · Frontiers in psychology
Introduction Psychological health problems during adolescence affect both individual well-being and society. Although physical activity supports mental health, adolescents' attitudes toward seeking psychological help are also essential.…
Alderson HE, Mu C, Chen LM et al. · 2026 · Magnetic resonance in medicine
Purpose To investigate the utility of a recently demonstrated diffusion MRI derived axon diameter surrogate measure (∆D ⟂ ) under pathologic conditions induced by a spinal cord injury model. Methods Contusion injuries were performed on the…
Domagalska A, Łaganowski K, Mazur M et al. · 2026 · BMC oral health
Background While malocclusion prevalence and orthodontic treatment need have been widely described, the association between objectively quantified craniofacial morphology and actual orthodontic treatment initiation remains insufficiently…
Manjavidze T, Anda E, Nedberg IH et al. · 2026 · International journal of hygiene and environmental health
Background Lead exposure poses significant health risks, particularly during pregnancy, as lead affects fetal development. This study aimed to evaluate the association between maternal blood lead levels (BLL), birthweight and preterm birth…
Mazhar I, Ghayas S, Akhtar ST et al. · 2026 · Journal of religion and health
The present research aimed to develop a psychometrically sound measure of moral injury for lawyers. In study I, deductive and inductive approaches were used to generate an initial item pool. Furthermore, the item pool was reviewed and…
Nahar N, Tafsirun U, Tanchangya T et al. · 2026 · Preprint
Abstract The paper aims to explore how AI can influence customer satisfaction (CS) and lead to purchase intention (PI). It examined the effect of trust in AI (TRAI), AI transparency (AIT), AI personalisation (AIP), AI literacy (AIL), and…
Turk CB, Turkoz HK, Sofulu O et al. · 2026 · Turk patoloji dergisi
Objective Giant cell tumor of bone (GCTB) is a rarely metastasizing, locally aggressive tumor. Recurrence and metastasis in GCTB are thought to be driven by the biological behavior of the neoplastic stromal mononuclear cells. Several…