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.
20217 results in Negative / Null Result Report · page 169 of 674
Woo‐yeol Lee, Sun‐Joo Cho · 2017 · Journal of Educational Measurement
Cross‐level invariance in a multilevel item response model can be investigated by testing whether the within‐level item discriminations are equal to the between‐level item discriminations. Testing the cross‐level invariance assumption is…
Wayne Hall · 2013 · F1000Research
This article assesses the evidence for the hypothesis that a decline in all types of crime since the early 1990s in the USA was an unintended consequence of removing lead from petrol between 1975 and 1985. It describes ecological and…
Safiyya Randera-Rees, Wende Clarence Safari, Dickman Gareta et al. · 2021 · Wellcome Open Research
Background: HIV-negative men are over-represented in tuberculosis (TB) prevalence surveys including the first South African national TB prevalence survey in 2018. Traditionally, TB screening is focused in clinics. We aimed to determine the…
Ryan M. Degen, Andrew Firth, Herman Sehmbi et al. · 2023 · Knee Surgery, Sports Traumatology, Arthroscopy
Abstract Purpose To determine whether different regimens of multimodal analgesia will reduce postoperative pain scores, opioid consumption, costs and hospital length‐of‐stay following hip arthroscopy. Methods From 2018 to 2021, 132…
Simone Bergonzoli, Massimo Brambilla, Elio Romano et al. · 2020 · Agronomy
Irrigation with wastewater can strongly contribute to the reduction of water abstraction in agriculture with an especial interest in arid and semiarid areas. However, its use can have drawbacks to both soil and micro-irrigation systems,…
E. Kathleen Adams, Katya Galactionova, Genevieve M. Kenney · 2015 · INQUIRY: The Journal of Health Care Organization, Provision, and Financing
Effects of Medicaid family planning waivers on unintended births and contraceptive use postpartum were examined in Illinois, New York, and Oregon using the Pregnancy Risk Assessment Monitoring System. Estimates for women who would be…
Daichi Tsuna · 2021 · Publications of the Astronomical Society of Japan
Abstract In a failed supernova, partial ejection of the progenitor’s outer envelope can occur due to weakening of the core’s gravity by neutrino emission in the protoneutron star phase. We consider emission when this ejecta sweeps up the…
Sumit Kumar Ram, Shyam Nandan, Didier Sornette · 2022 · Scientific Reports
Abstract We investigate the predictability and persistence of individual and team performance (hot-hand effect) by analyzing the complete recorded history of international cricket. We introduce an original temporal representation of…
Alexander A. Kutepov, Ladislav Rezac, Artem G. Feofilov · 2017 · Atmospheric Measurement Techniques
Abstract. Since January 2004, the planetary Fourier spectrometer (PFS) on board the Mars Express satellite has been recording near-infrared limb spectra of high quality up to the tangent altitudes ≈ 150 km, with potential information on…
Hossein Ghalenavi, Saeid Norouzi-Apourvari, Mahin Schaffie et al. · 2019 · Journal of Petroleum Exploration and Production Technology
Abstract In reservoir simulation, the fluid composition is usually assumed uniform for the whole reservoir, while in many reservoirs, oil and gas composition changes with depth. This phenomenon which is known as compositional grading could…
Peter Baas, Jennifer D. Knoepp, Jacqueline E. Mohan · 2019 · Forests
Understanding the dominant soil nitrogen (N) cycling processes in southern Appalachian forests is crucial for predicting ecosystem responses to changing N deposition and climate. The role of anaerobic nitrogen cycling processes in…
Karin Kvale, Wolfgang Koeve, Nadine Mengis · 2021 · Frontiers in Marine Science
The impact of calcifying phytoplankton on atmospheric CO 2 concentration is determined by a number of factors, including their degree of ecological success as well as the buffering capacity of the ocean/marine sediment system. The relative…
Stephen Kidd · 2020 · Apeiron
Abstract The emergence of mathematical probability has something to do with dice games: all the early discussions (Cardano, Galileo, Pascal) suggest as much. Although this has long been recognized, the problem is that gambling at dice has…
Harold Pollack · 2015 · Journal of Health Politics, Policy and Law
Abstract Medicare for All, ideally implemented, could offer powerful advantages over our current health care financial system. Unfortunately, the political obstacles to such a system are formidable and are likely to remain so for decades.…
Huihui Liu, Yan-Song Gao, Xiang-Jun Chen et al. · 2016 · Scientific Reports
Abstract Creatine kinase (CK) helps maintain homeostasis of intracellular ATP level by catalyzing the reversible phosphotransfer between ATP and phosphocreatine. In humans, there are two cytosolic CK isoforms, the muscle-type (M) and the…
Natalie L. Phillips, Elysa Widjaja, Mary Lou Smith · 2020 · Epilepsia
Abstract Objective To evaluate longitudinal changes in caregiver depression, anxiety, and family relationships following resective surgery for pediatric drug‐resistant epilepsy (DRE). Methods This multicenter cohort study involved 177…
Mi Hee Kwack, Dae-Lyong Ha, Weon Ju Lee · 2022 · International Journal of Immunopathology and Pharmacology
Objectives Particulate matter (PM) is an air pollutant that can damage human skin; antioxidants have shown some efficacy in alleviating PM-induced skin inflammation. We investigated the antioxidant effects of punicalagin,…
Michelle McDonald · 2023 · Frontiers in Nephrology
The role of allograft nephrectomy (AN) in failed renal transplants is a topic of debate, owing to controversial results reported in the literature and the fact that most of the studies are limited by a retrospective design and small…
Zigmantas Gudžinskas, Laurynas Taura · 2022 · Plants
Reproductive traits are among the most important factors in determining the success of species establishment and invasion in a new area. Studies on transcontinental invasions have revealed that invasive species perform better in the…
P. FitzPatrick, K. Antczak, F. Lynch et al. · 2023 · Irish Journal of Psychological Medicine
Abstract Objectives: The COVID pandemic has been associated with poorer mental health in youth. This study aimed to evaluate any change in General Practitioner (GP) referral pattern to Child and Adolescent Mental Health (CAMH) services…
Todia P. Setiabudiawan, Philip C. Hill, Andrew R. DiNardo et al. · 2025 · Journal of Clinical Investigation
Immune correlates of protection against infection with Mycobacterium tuberculosis (Mtb) remain elusive. In this issue of the JCI , Dallmann-Sauer and authors demonstrate that lack of tuberculin skin test (TST) and interferon γ release…
Abigail T. Wilson, Steven Z. George, Joel E. Bialosky · 2019 · PAIN Reports
Abstract Introduction: Age impacts the prevalence and experience of musculoskeletal pain; however, it is unknown whether this factor impacts patient's anticipated outcomes after treatment. Objective: Using the Patient-Centered Outcomes…
Robert Philibert, Man-Kit Lei, Mei Ling Ong et al. · 2024 · Genes
The reliability of the associations of the acceleration of epigenetic aging (EA) indices with clinical phenotypes other than for smoking and drinking is poorly understood. Furthermore, the majority of clinical phenotyping studies have been…
Huanren Zhang, Yimei Hu, Xianwei Shi et al. · 2022 · Industrial Management & Data Systems
Purpose Studies have documented the distinctive advantage of innovation ecosystems in integrating and recombining heterogeneous knowledge resources across firms' boundaries. However, hierarchical governance in the form of vertical…
Valérie Francois, Matthieu Belarouci · 2021 · Journal of Small Business and Enterprise Development
Purpose This article investigates the distinctive characteristics and the performance of academic spin-offs within young innovative companies (YICs) supported by public regional agencies. Considering that academic spin-offs are…
Colleen C. Schreyer, Allisyn Pletch, Irina A. Vanzhula et al. · 2022 · International Journal of Eating Disorders
Abstract Objective Evaluating treatment efficacy solely on whether sample‐level change is statistically significant does not indicate whether clinically significant change (CSC) has occurred at the individual‐level. We assessed whether…
Zekun Cao, Jeronimo Grandi, Regis Kopper · 2021 · Frontiers in Virtual Reality
Dynamic field of view (FOV) restrictors have been successfully used to reduce visually induced motion sickness (VIMS) during continuous viewpoint motion control (virtual travel) in virtual reality (VR). This benefit, however, comes at the…
David Süss, Michael Iwersen, Vanessa Schweinzer et al. · 2019 · Reproduction in Domestic Animals
Abstract There is evidence that supplementing methionine has positive effects on uterine environment, oocyte quality and embryo development in cattle. Thus, the objective of this study was to evaluate reproductive traits of cows…
Rebecca Schennach, Hans‐Jürgen Möller, Michael Obermeier et al. · 2015 · International Journal of Methods in Psychiatric Research
Abstract Significant changes of schizophrenia patients during inpatient treatment were evalutaed and compared to established outcome criteria. The concept of reliable and clinically significant change methods was applied to three hundred…
Loubna Belaid, Umaira Ansari, Khalid Omer et al. · 2021 · Archives of Public Health
Abstract Background Universal home visits to pregnant women and their spouses in Bauchi State, northern Nigeria, discussed local evidence about maternal and child health risks actionable by households. The expected results chain for…