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.
20289 results in Negative / Null Result Report · page 664 of 677
Wynands, Seth · 2015
This paper examines the socio-political instability link between inequality and investment. For the period between 1960 and 2011 for 192 countries, this paper finds no significant correlation between inequality and instability and no…
田原, 靖昭, 西澤, 昭, 管原, 正志 et al. · 1991
Aerobic exercise class was opened and blood and physical composition were examined. Results indicated that no significant improvement on measured items was observed. Frequency of participation is suggested to be increased or class goal…
ÖZGEN ALPAYDIN, AYLİN, Begum GORGULU, Aylin Özgen ALPAYDIN et al. · 2022
Background: Specific breathing exercises are reported to improve quality of life and reduce symptoms; although no significant benefit on lung function or reduction of exacerbation risk is indicated. Additionally, inspiratory muscle…
· 2011
Mild hypoxia is common after stroke and associated with poor long-term outcome. Oxygen supplementation could prevent hypoxia and improve recovery. A previous study of routine oxygen supplementation showed no significant benefit at 7 and 12…
Khalid Mustafa Ali (4461853), Christine Roffe (220471), Anushka Warusevitane (220475) et al. · 2011
Mild hypoxia is common after stroke and associated with poor long-term outcome. Oxygen supplementation could prevent hypoxia and improve recovery. A previous study of routine oxygen supplementation showed no significant benefit at 7 and 12…
Akerley, Wallace, Herndon, James E. 2nd, Vokes, Everett E. et al. · 2017
BACKGROUND: In Cancer and Leukemia Group B 39801, we evaluated whether induction chemotherapy before concurrent chemoradiotherapy would result in improved survival and demonstrated no significant benefit from the addition of induction…
Jiankang Jin (703171), Stephen J. Archibald (703175), Janani Panneerselvam (703170) et al. · 2015
A , RT-PCR analysis showed IL-24 reduced CXCR4 mRNA levels at 6 h and 24 h ( P B , CXCR4 promoter activity was determined using a luciferase reporter vector. Induction of IL-24 showed no significant reduction in luciferase activity…
Andrew W. Taylor (451751) · 2013
The macrophages lysates were assayed for protein concentration and Caspase 3 activity. There was no significant change of Caspase 3 activity in cells treated with α-MSH compared to SFM cells. The graft is the mean ± SD of Caspase 3…
Sandra Demaria (15026216), Shannon Martello (11246282), Molykutty J. Aryankalayil (5544962) et al. · 2020
Metabolic data from PC3 cells 6h, 24h, and 48h after SD or MF radiation. Samples were sent to Metabolon for processing. Results indicate decrease in glycolysis intermediates in SD sample at 6h. No significant changes to TCA cycle…
Hull, Glenn · 2017
This paper determines the effects of police interventions on darknet markets. Darknet markets have been rapidly growing and the amount of drugs being sold on them keeps rising. This paper finds no significant changes in prices of drug…
Davis, Joyce Lucille, NC DOCKS at The University of North Carolina at Greensboro · 1979
The purpose of this experiment was to determine the effectiveness of reflectivity training for kindergarten and second grade subjects using one-to-one correspondence tasks. It was hypothesized that there were no significant differences…
Manolis AS, Padeletti L., Mont L et al. · 2008
Dual-chamber (DDD) pacing has generally been regarded as "physiologic pacing" and therefore expected to be superior to ventricular pacing. Major randomized trials have so far failed to demonstrate significant reductions in the incidences…
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…
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…
Augustus L Baker, Timothy Vickery, Alison Lobo 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…
Stahl, Christoph, Bading, Karoline Corinna · 2023
Recent research has failed to find evidence for “subliminal” evaluative conditioning (EC) in “intentional” learning conditions (Stahl & Bading, 2020; Stahl, Haaf, & Corneille, 2016). In the present research, we tested whether “subliminal”…