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.
20240 results in Negative / Null Result Report · page 372 of 675
Kalender S, Kişi M, Özkan O · 2026 · Work (Reading, Mass.)
BackgroundHealthcare workers face challenges such as intense work tempo, irregular working hours and high patient expectations. This situation may affect the happiness and performance of employees, as well as the quality of health…
Nazari N, Pazokian M · 2026 · Hospital topics
Background Medication safety is the most important priority in patient safety and medication errors especially endanger patients' safety. The purpose of this study was to investigate the relationship between medication safety and work…
Inam R, Shah S, Ullah MS et al. · 2026 · JPMA. The Journal of the Pakistan Medical Association
The study was conducted to evaluate the effects of Ayres sensory integration therapy versus conservative treatment in autism spectrum disorder. In a prospective randomised controlled trial, we assessed pre- and post-intervention scores of…
S PP, GEORGE MT, JOS PB · 2026 · Preprint
Abstract Problem solving is an activity in which humans show a unique ability for flexible cognition and adaptation, which means we can, in fact, program ourselves and come up with novel strategies for solving problems (Cunningham &…
de Lima HLN, Soares MJNL, Macedo SMMPC et al. · 2026 · Acta ortopedica brasileira
Motorcycle accidents represent a significant cause of trauma in developing countries such as Brazil. Within the possible lesions, lower limb injuries are among the most prevalent, with ankle and foot injuries causing a high incidence of…
Zare R, Ranjbar MA, Ebrahimi A et al. · 2026 · Journal of dentistry (Shiraz, Iran)
Background The expression of CD73 antigen is associated with different prognoses in different carcinomas. However, few studies have assessed the level of this marker in squamous cell carcinoma (SCC) as the most common malignancy of the…
Putriana S, Parewangi AML, Bakri S et al. · 2026 · Preprint
Introduction: Colorectal cancer (CRC) is a malignancy originating from the epithelial lining of the colon and rectal mucosa, with high morbidity and mortality rates worldwide. KRAS gene mutations play a significant role in CRC…
Hamada M, Miyamura K, Kasamatsu M et al. · 2026 · [Nihon koshu eisei zasshi] Japanese journal of public health
Objectives In Tokyo, preventing passive smoking progressed during the 32nd Olympic Games. However, smoking areas remain in many local city halls, and tobacco product companies donate smoking areas in front of stations and near parks. A…
Saklamaz S, Akpınar H · 2026 · Healthcare (Basel, Switzerland)
Background : Depression is associated with cognitive, emotional, and interpersonal difficulties that may influence forgiveness-related processes. This study aimed to examine the relationships among cognitive distortions, forgiveness of…
Doust AE, Trenoska Basile V, McDonald S et al. · 2026 · The British journal of clinical psychology
Objective Generalised anxiety disorder (GAD) is characterised by uncontrollable worries. Cognitive behaviour therapy (CBT) is an effective treatment for GAD; however, manualised treatments rarely include interventions to target core…
Turgut M, Kaplan MH, Eroglu Z et al. · 2026 · BMC oral health
BACKGROUND: This study aimed to evaluate the effects of natural light conditions and ambient lighting levels changing at different times of the day on the accuracy and duration of digital scans made with intraoral scanners in a clinical…
Halldórsson KB, Karagianni K, Leite-Moreira AF et al. · 2026 · American journal of physiology. Heart and circulatory physiology
Aortic stenosis (AS) may lead to left ventricular (LV) hypertrophy (LVH). After aortic valve replacement (AVR), LVH often does not regress fully. This has been associated with a worse prognosis. This study aimed at comparing LVH regression…
Liba ES, Falguera CC, Atendido MRA · 2026 · Acta medica Philippina
Background Professional identity plays a significant role in alleviating role stress among healthcare professionals. However, these two factors are poorly explored in the midwifery profession. Objective To determine the perceived level of…
Qalawa SAA, Elbqry MG, Elmansy FM et al. · 2026 · Frontiers in public health
Background Migraine is a common neurological disorder and an emerging occupational health risk among nurses due to demanding workloads, shift work, workplace stress, and prolonged screen exposure. Understanding nurses' risk perceptions of…
Kuşlu S, Güven AE · 2026 · Scientific reports
This study aims to evaluate the relationship between nursing and midwifery students' perceptions of women and the severity of menstrual symptoms affected by dysmenorrhea. This cross-sectional study was conducted with 341 students at a…
Tuki D · 2026 · Psychology, health & medicine
While research on the determinants of subjective well-being in Nigeria exists, little attention has been given to regional differences in life satisfaction between the country's two major regions - the North and the South. This study…
Berahim AS, Rohana AJ, Yaacob NM et al. · 2026 · International journal of preventive medicine
Background The perceptions of diabetic patients on their food environment influence their dietary choices and would impact glycemic control. The main aim of this study was to determine any relationship between perceived food environment…
Rubiño-Díaz JÁ, Ferrández-Sempere S, Maqueda M et al. · 2026 · Preprint
Abstract Aim To analyze the influence of sensory processing sensitivity on nursing professionals' perception of invisible care. Methods A cross-sectional descriptive observational study. Seventy-nine professionals from a level III hospital…
Garakani R, Sejdiu Z, Kissinger CR et al. · 2026 · The American Journal of dermatopathology
Abstract Given clear cell acanthoma's overlapping similarities with psoriasis, we compared the presence of psoriasis and its known cardiovascular comorbidities in patients with clear cell acanthoma with patients with a control benign skin…
Hogg R · 2026 · Developmental dynamics : an official publication of the American Association of Anatomists
Background Multiple studies have supported the hypothesis that incremental growth lines in crocodilian dentin are analogous with circadian von Ebner's lines in mammals; however, variation in these growth lines has been largely unstudied.…
Staures MNJ, Kabašinskas A · 2026 · Preprint
Wedocument anetwork-level vulnerability in pension fund systems: lifecycle allocation regulation, designed to protect individual participants, compresses cross-fund return dynamics to the point where provider choice offers little…
Erdoğan D, Özbay DK, Özbay MA · 2026 · Preprint
ABSTRACT Objective This study aimed to evaluate long-term outcomes in patients who underwent surgical treatment for hepatic hydatid cyst (HCC) disease and, in particular, to investigate the effect of scolicidal agent (SA) application…
Wu Y, Yuan Y, Wang Z · 2026 · Journal of adolescence
Introduction Although substantial evidence has established an association between helicopter parenting and depressive symptoms, the causal direction between the two remains unclear. In particular, the dynamic interplay between the…
Pagliaro T, Butler G, Godbolt A et al. · 2026 · The Australasian journal of dermatology
Background/objectives The Royal Brisbane & Women's Hospital (RBWH) in Queensland, Australia provides definitive care for all diagnosed adult patients with SJS/TEN within its catchment. In this retrospective cohort study, we identified all…
Yaşar BN, Erkuş Küçükkelepçe G · 2026 · BMC nursing
Background As healthcare settings become more culturally diverse, nursing and midwifery education needs to prepare students to provide culturally responsive care. Although intercultural sensitivity has received growing attention in health…
Deutsch A, Contreras LE, Kratina S et al. · 2026 · Therapeutic advances in psychopharmacology
Background Psychedelic therapies are gaining attention as tools to alleviate anxiety and depression across various clinical populations. However, the mechanisms behind psychedelics' therapeutic efficacy and the potential differences in how…
Bashtian MH, Asali R, Afshari-Safavi A et al. · 2026 · Journal of education and health promotion
Background Demographic, social, and self-care factors can significantly impact the quality of life of menopausal women. Self-care abilities are regarded as pivotal mechanisms for enhancing quality of life and reducing substantial…
Nigar N, Neelima M, Ahmad N · 2026 · Cognitive processing
The current study investigated the gender-specific relationship between cognitive thinking styles (CTS) and arithmetic fluency, controlling for working memory. It focuses on two specific CTS-Inchworm and Grasshopper (Bath et al. 1986).…
Lunningham T, Sewcharran KM, Johnson J et al. · 2025 · Integrative and comparative biology
Vertebral deformities such as abnormal curvatures and shapes may influence kinematics of fishes during swimming. Our study examines the vertebral deformities of hatchery-reared lumpfish (Cyclopterus lumpus) to better understand the effects…
Karimi P, Ramezani E, Daryani NE et al. · 2025 · Scientific reports
Background Inflammatory bowel disease (IBD) is a complex and chronic condition of the gastrointestinal tract. Diet is a significant factor influencing the onset and course of IBD. The Diet Quality Index (DQI) is an essential tool for…