Sentences with phrase «of null results»

They are «traceable» to a common underestimation of the prevalence and magnitude of random variation, and the desire of investigators to be associated with «discoveries» instead of null results.

Despite five decades of null results and chronic underfunding, he and his colleagues are more upbeat than ever.

That's why, despite 45 years of null results, many of us are more convinced than ever that we are not alone.

It is, however, possible that alternative explanations of the null result with adult dogs exist.

Not exact matches

Apart from permanently stopping the field testing of Bt talong, it also declared the Department of Agriculture's administrative order No. 8 - 2002 null and void resulting to a halt on the application for field testing, contained use, propagation and importation of genetically modified organisms (GMOs) pending the promulgation of a new administrative order.

Finally, for the statistically significant associations of breastfeeding with later cognition, 95 % CIs were narrow and exclude a null result, but the lower confidence limits include values with little clinical importance.

If you check out the study, you will see that the results of the sensitivity analysis did move some estimates that favored water birth to the null — which means that there was no difference between water birth and conventional delivery.

None of these sensitivity analyses resulted in confidence intervals that included the null hypothesis or 1.0.

In all five studies, null results were reported, and a mean difference in systolic blood pressure of 0.0 mmHg between breast - and bottle - fed subjects was assigned.

A statement signed by Mai Mala Buni, National Secretary of the party stated that the All Progressives Congress Senator, Domingo Obende who was duly appointed by the party to conduct the primaries is yet to declare a final result and hence any other result announced from any quarter is null and void.

The highest court of Kenya said the elections said the 8 August election had not been «conducted in accordance with the Constitution» and that results, as declared by the electoral commission, were «invalid, null and void».

I have advocated before that one way to mitigate problems with null - hypothesis significance testing is for editors of scientific journals to employ «results blind» decision making in determining whether to publish and make it be known that they are doing so.

If they gave out Nobel Prizes for null results, these guys would be near the top of the list.

Such calculations generally produce a P value — the probability of obtaining the observed data (or results even more extreme) if there is no real effect (the null hypothesis).

«Outcomes that are novel, or eye - catching are generally seen as more attractive and competitive than those that are null or ambiguous,» putting researchers under much career pressure to produce attractive results, says Chris Chambers, a cognitive neuroscientist at Cardiff University in the United Kingdom who became one of the founders of the Registered Reports concept a couple of years ago, in the Royal Society's announcement.

«This is science, so null results about our nearest neighboring Sun - like stars are just as valuable as positive ones, although they don't generate a press release,» says Jared Males, an astronomer at the University of Arizona who is working on image - processing algorithms for Project Blue.

«Nonetheless, a null result is significant as it changes the landscape of the field by constraining models for what dark matter could be beyond anything that existed previously.»

One null result, of course, did not rid the universe of the ether.

One of the latest null results in the search for WIMPs came from the Large Underground Xenon (LUX) experiment, a third of a ton of liquid xenon held at a frosty — 100 degrees Celsius inside a giant water - filled tank buried one and a half kilometers beneath the Black Hills of South Dakota.

It delivered a high - quality null result, the scientists» way of saying that they found exactly zero evidence for a great many of the hypothesized or allegedly detected dark matter particles.

Several scientific journals now specialize in publishing failed experiments, including the Journal of Negative Results in Biomedicine and the Journal of Articles in Support of the Null Hypothesis.

The first null result this summer came from the Large Underground Xenon (LUX) experiment, a third of a metric ton of liquid xenon held at a frosty − 100 degrees Celsius inside a giant, water - filled tank buried one and a half kilometers under the Black Hills of South Dakota.

The woman's three sisters had Down syndrome, and she had been terrified of passing on the disorder but got a null result.

Luckily, there's now an app for finding those null results: BioNOT, a new search engine developed by biomedical informatician Hong Yu and graduate student Shashank Agarwal at the University of Wisconsin, Milwaukee.

«The exact definition of p - value,» said Ioannidis, «is that if the null hypothesis is correct, the p - value is the chance of observing the research result or some more extreme result.»

This null result prompts the question of what — if anything — was wrong with the original paper.

These results suggest that the additional muscle mass induced by follistatin in Mstn null mice results from inhibition of additional ligands that act predominantly to regulate muscle fiber growth.

In order to determine whether this effect of follistatin results solely from inhibition of myostatin activity, I analyzed the effect of this transgene in myostatin - null mice.

We have considered the possibility that radiation could directly result in more apoptosis in the thymus of p21 - null mice; however, quantitation of sub -(G0 / G1) thymocytes after acute irradiation (10 Gy; and analysis 3 h after irradiation) has not supported this idea (data not shown).

Finally, there are contradictory results concerning the susceptibility of p21 - null mice to chemically induced carcinogenesis of the skin (33, 34).

Drever has carried out experiments in a number of areas of physics, including spectroscopic measurements to look for anisotropy of mass and space - his null results providing accurate confirmations of both special and general relativity.

Short guide RNA was targeted to the sequence corresponding to the CCHa2 peptide - coding region, resulting in the isolation of putative null alleles for CCHa2 (CCHa2CR - 1, CCHa2CR - 2, and CCHa2CR - 3)(Figs 5A and S5).

Benjamin Solomon, MBBS, PhD, of Peter MacCallum Cancer Centre in Melbourne, said the null results of this study are quite clear, but there remains no obvious way to choose which patients should receive cetuximab.

The results were similar for most outcomes across categories of smoking status, with the exception of death from heart disease, with associations that appeared to be null in current smokers (P = 0.002 for interaction in men and P = 0.05 for interaction in women).

The mechanism of this association is unclear and could reflect chance or residual confounding, although similar results were reported in the Nurses» Health Study and the Kaiser Permanente Multiphasic Health Checkup cohorts.19, 20 In contrast to other outcomes, a modest borderline positive association was observed in men for coffee consumption and mortality from cancer, with a null association observed in women.

Therefore, their null result speaks more of adaptation effects rather than baseline sleep.

Despite strong support for the proliferative and growth - promoting effects of estrogens on mammary epithelial cells from animal and experimental studies (78, 79), previous studies on the associations between estrogens and breast density showed largely null or inconsistent results.

Moreover, although many have lamented the shortage of interventions with positive results in the What Works Clearinghouse, even null results represent progress.

One study in North Carolina finds null results overall and some negative results for student subgroups for a similar approach implemented as part of that state's Race to the Top program.

The null results from most studies contrast with some recent evidence suggesting that programs that combine value - added with other measures of performance, or which use only other measures, can lead to improvement.

In another blog post, AU does point to the one gold standard study that found a null result, a reexamination of the Peterson / Howell study of New York's private scholarship program.

Similar studies of teacher merit pay have shown null results in New York City and Chicago.

We are therefore confident that the null result in experiment 2 was not due to lack of power.

This supports the use of these stimuli and highlights that the null result found in this experiment is unlikely to be due to failures in producing authentic DDS or ADS when the content is reversed.

The client who presents this type of information shall be liable for any resulting losses, and any Victoria Miles falsely obtained will be declared null and void.;

To test for heterozygote deficiency, as might result from the presence of null (nonamplifying) alleles or inadvertent pooling of subpopulations (Wahlund 1928), we tested 1 - tailed probabilities of departure from Hardy - Weinberg equilibrium, using the Markov chain exact test in GENEPOP.

That is, when the test is designed to result in 5 % false rejections of the null hypothesis, it may result in a few more.

He claims that this can be corrected for, but he still isn't using the proper null — in M&N they show the results from the ensemble means (of the GISS model and the full AR4 model set), but seem to be completely ignorant of the fact that ensemble mean results remove the spatial variations associated with internal variability which should be the exact thing you would use!

Fahy illustrates one by citing a recent piece by Dan Vergano of USA Today in which Vergano explores the «file - drawer effect» — what appears to be a growing tendency of researchers to avoid publishing negative or null results.

When I wrote «rejection of null hypotheses» I was referring to how frequently a statistically significant result was obtained.