Sentences with phrase «statistical studies on»

While statistical studies on extremes are plagued by signal - to - noise issues and only give unequivocal results in a few cases with good data (like for temperature extremes), we have another, more useful source of information: physics.

While there are few statistical studies on the number of overweight cats, it has been suggested that the numbers are similar to those in dogs, with up to 40 % of feline companions being overweight.

My experiences are backed by statistical studies on how these proteins help stop the autoimmune response to inflammation.

Statistical studies on errors, bias and fraud: Towards an evidence - based RCR?

Recent news says that Mozilla released data collected from a statistical study on the impact of adding a bitcoin button on the main campaign donation page.

Not exact matches

A transportation study by the statistical analysis media site FiveThirtyEight showed that completing 85 percent of trips on public transit and 15 percent with Uber roughly equaled the cost of car ownership.

To get a handle on causality in the relation of organizational form with company performance, many studies use before / after comparisons and various statistical corrections for endogeneity of company form.

Murray draws on those studies, but in Coming Apart, Fishtown, like Belmont, is shorthand for a statistical cohort: people with blue - collar or low - level office jobs and no academic degree more advanced than a high - school diploma.

In microphysics Planck postulated in 1900 that electromagnetic energy is emitted in quantised forms and its study must rely on statistical probabilitiesinstead of classical laws.

- The statistical studies from the nineteenth century and the three CCU studies on prayer are quite consistent with the fact that humanity is wasting a huge amount of time on a procedure that simply doesn't work.

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The authors» responsibilities were as follows — CNM: had leadership responsibility for the research planning and execution, wrote the manuscript, and had primary responsibility for the final content of the manuscript; CNM, HE, and BN: formulated the study idea and designed the research; EV and JM: managed the day - to - day conduct of the study and oversaw the data collection; YJ: performed statistical analyses of the study data; and all authors: provided critical review and commentary on the draft of the manuscript and read and approved the final manuscript.

The result was that there was no statistical impact on the run, so the study concluded that «Omega 3 Chia loading appears a viable option for enhancing performance for endurance events lasting > 90 minutes and allows athletes to decrease their dietary intake of sugar while increasing their intake of Omega 3 fatty acids but offered no performance advantages.»

Objective To determine whether food industry sponsorship is associated with effect sizes, statistical significance of results, and conclusions of nutrition studies with findings that are favorable to the sponsor and, secondarily, to determine whether nutrition studies differ in their methodological quality depending on whether they are industry sponsored.

But without multiple mutually corroborating & very rigorous population studies to determine strong associations among different variables, one can't speak confidently on what causes what — and this in a discipline, psychology, already fraught with poorly designed and low - statistical - rigor studies.

MJNCK reviewed all perinatal deaths, analysed perinatal death data, performed statistical analyses on study data and data from comparable home birth studies, and cowrote the paper.

(For an excellent analysis of the statistical limitations in this study see this UNICEF commentary on it.)

An article on the environmental impact of the production and disposal of millions of plastic and cloth diapers reveals the length to which corporations will go to ensure profit margins: couching advertisements in «scientific studies»; funding studies based on controversial methodologies; using unscientific statistical studies to cook the books on cost - benefit analyses of environmental damage; and employing shrewd, manipulative and effective public - relations strategies.

Studies had to be case control for the purpose of the statistical analysis; have breastfeeding as a measured exposure and leukemia as a measured outcome; include data on breastfeeding duration in months, including but not limited to, 6 months or more (where relevant data were unavailable in the publication, the authors of the studies were contacted); and been published in peer - reviewed journals with full text available in EStudies had to be case control for the purpose of the statistical analysis; have breastfeeding as a measured exposure and leukemia as a measured outcome; include data on breastfeeding duration in months, including but not limited to, 6 months or more (where relevant data were unavailable in the publication, the authors of the studies were contacted); and been published in peer - reviewed journals with full text available in Estudies were contacted); and been published in peer - reviewed journals with full text available in English.

Thus, for these studies there is a clear reliance on either matching or statistical adjustment for the effects of other factors correlated with feeding method that may also influence child outcomes such as maternal IQ and / or parenting style.

However, individual studies have been modest in size and lacking in statistical power to exclude even quite large effects on diabetes risk.

Statistical physicists studying networks focus on advanced mathematics, modeling, and computer programming.

Depending on the institution, these include online case studies, podcasts and webcasts of seminars, and continuing medical education courses on topics such as statistical methods, or engaging the community in research.

In science news around the world, Brazil begins work on a new year - round Antarctic station to replace a facility destroyed by fire 4 years ago, China plans a big boost to its investment in science as part of its latest 5 - year plan, the Environmental Protection Agency announces its intent to nix a conditionally approved pesticide after further study, the American Statistical Association weighs in on the proper use of p - values, and more.

«The feeling ultimately relies on the same statistical computations a computer would make,» says Professor Adam Kepecs, a neuroscientist at Cold Spring Harbor Laboratory (CSHL) and lead author of the new study.

Ball's testimony was based on a statistical study, which he had carried out in collaboration with other statisticians and SHRP staff.

Results of each statistical test should be reported in full with the value of the test statistic and p - value, and not simply reported as significant or non-significant; more than two significant digits on p - values are usually not needed except in situations of extreme multiple testing such as in genetic association studies where stringent corrections for multiple testing might be used.

By analyzing studies from after that time period as well as recent research relying on new statistical techniques for assessing the impact of legal changes, the pair found an emerging consensus that deregulating concealed carry restrictions increases violent crime.

A somewhat obscure study on statistical methods published in 2009 by medical statistician Ying Lu at Stanford University, California in a specialty journal on clinical trials, was downloaded 2000 times in early August, making it the hottest paper among Stanford University's 5439 registered users.

Early - career scientists should also seek advice on statistical analysis when designing studies, Fowler says.

But Jacob Taylor, a physicist at the National Institute of Standards and Technology in Gaithersburg, Maryland, says it provides experimental data for «a quiet revolution» in statistical physics, the study of how heat flows both in microscopic systems and on the scale of everyday life.

Together with colleagues Maren Rebke from Avitec Research and the Max Planck Institute for Demographic Research in Rostock, Germany and Peter H. Becker from the Institute of Avian Research «Vogelwarte Helgoland» in Wilhelmshaven, Germany, they have developed a statistical model to analyze the long - term study on common terns in Lake Bant in Wilhelmshaven led by Prof. Becker.

Meta - analysis is an advanced statistical procedure that allows the researcher to merge the results of all the studies regarding a specific topic into a quantitative measure representing the size of the overall effect of one variable on another variable.

If I do good statistical and morphological studies, then I can figure out what went on at that time.

In a second study, researchers from the Laboratoire d'astrophysique de Marseille (CNRS / Aix - Marseille Université) ruled out the possibility of a capture on the grounds of statistical arguments based on the compositional diversity of the asteroid belt.

Calibration is the agreement between the predicted risk and actual outcomes on average, and across the spectrum of predicted risk — from low to high, said Mark E. Cohen, PhD, one of the study's authors and a statistical manager in the ACS Division of Research and Optimal Patient Care.

Critics have pounced on the study, which they say has serious statistical and other problems.

A detailed statistical study of mass shootings in the USA suggests that training law enforcement officers to recognize the psychology and behavioral patterns of perpetrators could improve officers» ability to deal with an on - site shootout or suicide.

In the GRL study, researchers used a statistical model based on historical climate data to separate how much of the extreme rainfall from Hurricane Harvey was due to natural influences and how much was due to human influences.

In this study, researchers performed magnetic resonance imaging on 106 boys between the ages of 10 to 19 who were seeking treatment for Internet gaming disorder, a psychological condition that the Diagnostic and Statistical Manual of Mental Disorders (DSM - 5) says warrants further research.

In recent years, he and Stanford statistician Robert Tibshirani have conducted a number of studies on the statistical factors that contribute to this epidemic.

By studying the statistical distribution of larger and smaller swirls on the sky, they may be able to piece together a detailed picture of the energy and density distribution in the primordial universe.

By using meta - analysis, an advanced statistical technique that analyzes many studies at the same time, they performed rigorous testing to determine whether the beneficial effect of adding biochar depends on geography.

For example, there is a lot of interest on collaborative team science, study registration, stronger study designs and statistical tools, and better peer review, along with making scientific data, analyses and protocols widely available so that others can replicate experiments, thereby fostering trust in the conclusions of those studies.

The new estimate of mortality from windows, based on statistical analysis of 23 local studies, comes close to an old estimate (100 million to 1 billion) that had been derided for its simple, back - of - the - envelope approach.

An influential 2012 report on 120 monkeys being studied at the National Institute of Aging (NIA) reported no differences in survival for caloric restriction animals and a trend toward improved health that did not reach statistical significance.

I think it's really easy to get lost in literature reviews and statistical analysis as a PhD student and lose focus on what you are actually studying and why it is important.

«I like dinosaurs that I can get lots of so I can do statistical studies of growth and so on,» Horner explains.

The secret science bill, for example, would apparently bar EPA from using public health studies based on confidential patient information, wrote the American Statistical Association's president, David Morganstein, in a 25 February letter to lawmakers.

Klahr and Burt conducted a statistical analysis of 56 scientific studies from around the world on the origins of parenting behavior, including some of their own.