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.
19820 results in Negative / Null Result Report · page 186 of 661
José M. Ferro, Guilhermina Cantinho, Élia Baeta · 1991
A 45-year-old right-handed man developed “crossed” anomie aphasia, neglect and inaccurate reaching of his left arm in both hemispaces due to a right parietal haemorrhage. Aphasia cleared in a few days. SPECT failed to demonstrate crossed…
Manuel Carlos Martins Castro (5255606) · 2022
ABSTRACT Online hemodiafiltration is potentially a superior mode of dialysis compared to conventional hemodialysis. However, prospective randomized controlled trials have failed to demonstrate such superiority. Post-hoc analyses of these…
Kliphuis, E. · 1973
Cytologioal investigations within Galium boreale L. showed the occurrence of tetraploids (2n=44) as well as hexaploids (2n=66) in Europe. Comparative morphological studies failed to demonstrate any differences in characters between the two…
Wanying Xie, Christopher Cheng, Anthony Goh Whatt et al. · 2014
We present a case of a 63-year-old gentleman, who had an initial negative prostate needle biopsy, but persistently elevated prostate-specific antigen levels. An magnetic resonance imaging study of the prostate failed to demonstrate the…
Dawood, Feroza, Farquharson, Roy G., Turner, M. A. et al. · 2011
Introduction: Multiple trials of immunotherapy for reproductive failure have failed to demonstrate significant benefit. A reason for this may be the lack of a test that selects which women will benefit from treatment. High density of…
Macleod, Malcolm R.; id_orcid, Donnan, Geoffrey A., Traystman, RJ et al. · 2009
Background and Purpose—As a research community, we have failed to demonstrate that drugs which show substantial efficacy in animal models of cerebral ischemia can also improve outcome in human stroke. Summary of Review—Accumulating…
Andersen, Ase Bengaard, Andersen, Peter, Lillebaek, Troels et al. · 2004
A patient with polymyositis developed tuberculosis during immunosuppressive treatment. Tuberculin Skin Test and chest X-ray failed to demonstrate latent tuberculosis, whereas a blood sample that was tested with a modified…
Marc Fisher, Ulrich Dirnagl, Geoffrey A Donnan et al. · 2020
Background and Purpose-As a research community, we have failed to demonstrate that drugs which show substantial efficacy in animal models of cerebral ischemia can also improve outcome in human stroke. Summary of Review-Accumulating…
Claire L. Gibson (6162488), Philip M. Bath (3111867) · 2015
Two multi-centre phase III clinical trials examining the protective potential of progesterone following traumatic brain injury have recently failed to demonstrate any improvement in outcome. Thus, it is timely to consider how this impacts…
Claire L. Gibson (6162488), Philip M. Bath (3111867) · 2015
Two multi-centre phase III clinical trials examining the protective potential of progesterone following traumatic brain injury have recently failed to demonstrate any improvement in outcome. Thus, it is timely to consider how this impacts…
Maternini, M., Von Segesser, L.K., Tozzi, P. et al. · 2006
The incidence of aorto-enteric fistula in the first 5 years after abdominal aortic replacement ranges from 0.3 to 2%. We present a clinical case in which all conventional diagnostic tools failed to demonstrate the aorto-enteric fistula. A…
M. Santilli, E. Grieco, ROSSETTI, MARCO et al. · 2014
Low high-density lipoprotein cholesterol (HDL-C) levels are associated with cardiovascular (CV) disease in type 2 diabetes (T2D). Unfortunately available drugs to increase HDL-C have failed to demonstrate a reduction in CV risk. We…
Armand J. Gold, Jeanne Q. Barry, Frederick P. Ferguson · 1960
Exposure of dogs to a simulated altitude of 30,000 feet for 30 minutes resulted in marked respiratory alkalosis and hypokalemia. The data failed to demonstrate, however, the appearance of the early transient hyperkalemic response which has…
Botta, Angela, De Carolis, S, Botta, A. et al. · 2015
The best therapy regimen for refractory obstetrical antiphospholipid syndrome remains to be determined. Additional treatments with steroids, plasma exchanges and immunoglobulins failed to show any beneficial effect. We present a case of a…
Wahlsten, Douglas, NC DOCKS at The University of North Carolina at Greensboro · 1968
Cockroaches (Periplaneta americana) learned to passively avoid electric shock in a two-compartment box after a single training trial. However, Ss exposed to CO2 gas immediately after the training trial failed to show retention of the…
Mosley, T H, Catellier, D, Sharrett, A R et al. · 2009
Cardiovascular risk factors are associated with a higher risk of developing dementia. Studies in older populations, however, have often failed to show this relationship. We assessed the association between cardiovascular risk factors…
Glosser, G, Fleming, P, Longenecker, G et al. · 1982
Normal aged subjects were given lecithin and placebo for 5 weeks each in a double-blind crossover study. Supraspan tests of memory and learning failed to show any significant changes as a result of these treatments. Addition of a single IV…
Sami H. Uwaydat, Sunali Goyal · 2017
Background: We report a case of reversal of an acute corneal graft rejection following multiquadrant subtenon triamcinolone injection. Case Presentation: A 19-year-old woman who had acute corneal graft rejection failed to show resolution…
Schellinger, Peter Dieter, Steiner, Thorsten, Köhrmann, Martin et al. · 2019
The optimal treatment strategy for secondary prevention in patients with cryptogenic stroke and patent foramen ovale (PFO) has been a matter of controversy for decades. After three randomized trials failed to show a benefit of closure with…
Barriere, Isabelle, Hsin, Lisa, Gonzalez-Gomez, Nayeli et al. · 2017
Studies across many languages (e.g., Dutch, English, Farsi, Spanish, Xhosa) have failed to show early acquisition of subject-verb agreement, while recent studies on French reveal acquisition by 30 months of age. Using a similar procedure…
Augustus L Baker, Alison Lobo, Timothy Vickery et al. · 2021
We have decided to follow up our experiment with a second experiment. Results from the previous experiment supported that distractor suppression happens in retinotopic space, however we failed to find any significant target suppression…
Sheldon Danziger, Lesley J. Turner, Kristin S. Seefeldt
Although employment among welfare mothers increased substantially following the 1996 welfare reform, some former welfare recipients failed to find stable employment. We review the extent to which low-income mothers are without work and…
M. NORBIATO, F. PISETTA, BARBATO, ANGELO · 1986
Abstract Nine children, sensitized to grass pollens, with seasonal rhinitis and mild asthma underwent bronchial challenge with carbachol and EIA test repeatedly either during a pre-seasonal or in seasonal period. We failed to find any…
Stoll, Richard J. · 1992
The empirical literature on arms races has often failed to find strong evidence of the existence of arms races among "obvious" dyads. In this article it is argued that if we assume that decision makers use simple rules and concentrate on…
Yükmen Edens, Bakiye · 2018
Survey and excavation in northern Hatay and Smooth Cilicia (Adana and Osmaniye) have largely failed to find Palaeolithic and Aceramic Neolithic sites. The author here reports two seasons of a survey focused specifically on and around…
Goudy-Trainor, Amanda, Freeman, Patricia W. · 2002
We attempted to correlate echolocation call parameters to a comprehensive array of ear and nose measurements from 12 families of bats. Surprisingly, we failed to find any significant relationships. We did find consistent differences…
Chowdhury, Khorshed
In this paper we have examined the issue of convergence of per capita GDP across 7 South Asian countries during 1960-2000 using World Bank data. Empirical results failed to find evidence of s convergence, b convergence and conditional b…
Juan Olvido Perea-García, Monteiro, Antonia, Perea Garcia, J.O. et al. · 2021
Comparative examinations of external eye morphology in primates initially focused on communicative functions of the eye. Subsequent work has failed to find consistent associations between specific eye morphologies and communicative…
Leigh Ann Vaughn, Christopher R. Chartier, Donald Sacco et al. · 2021
Many Labs 3 (Ebersole et al., 2016) failed to replicate a classic finding from the Elaboration Likelihood Model of persuasion (Cacioppo, Petty, & Morris, 1983; Study 1). Petty and Cacioppo (2016) noted possible limitations of the Many Labs…
Line, Marsha J., Christopher R. Chartier, Ebersole, Charles R. et al. · 2016
Many Labs 3 (Ebersole et al., 2016) failed to replicate a classic finding from the Elaboration Likelihood Model of persuasion (Cacioppo, Petty, & Morris, 1983; Study 1). Petty and Cacioppo (2016) noted possible limitations of the Many Labs…