Sentences with phrase «gold standard studies»

The vast majority of gold standard studies show greater academic achievement for both students in choice programs and those in nearby public schools.

A second meta - analysis led by University of Arkansas researcher Patrick Wolf, using 19 gold standard studies of private school choice programs globally, found that private school choice increases the reading and math scores of choice users.

Gold Standard Studies: Evaluating School Choice Programs [web page].

To reach its conclusion, the CTBA report completely ignores numerous other gold standard studies from respected researchers at Harvard, Princeton, the University of Chicago, the Brookings Institution, and elsewhere.

We limit our meta - analysis to the 19 gold standard studies of private school choice programs globally.

It is informed by all the evidence from all the gold standard studies.

Previous gold standard studies had almost unanimously found modest positive effects from school choice, which raises the obvious question: what makes the Louisiana Scholarship Program (LSP) so different?

The benefits of juice plus (whole raw fruits and vegetables) have over 32 gold standard studies to show it has major body long term benefits.

Just two months later, the University of Arkansas released a similar gold standard study on the first two years of the same program.

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.

Not exact matches

Even the glitteriest of gold - standard clinical trials, for instance, are often undone by a leaden follow - up study that has the nerve to arrive at a different result.

First, the topline numbers: The study was an observational one rather than a randomized control trial, the latter of which is considered to be the «gold standard» of clinical studies.

The 2018 Edelman Trust Barometer, the annual global study often considered the gold standard in trust data measurement recently stated that, «In a year marked by turbulence at home and abroad, trust in institutions in the United States crashed, posting the steepest, most dramatic general population decline the Trust Barometer has ever measured.»

However, embryonic stem cells remain the «gold standard,» and studies of all types of stem cells should continue in parallel for the foreseeable future.»

The study, which confirms that the «gold standard» for the rearing of children is the intact biological family, of married mom and dad staying together faithfully and raising their own offspring, naturally causes a furor.

«Whey protein has been the gold standard of the fitness industry, but intolerance to lactose affects nearly 70 % of the world's population; as such this study will make a huge impact.»

Another study published in Social Psychological and Personality Science discovered that the gold standard for happiest couples are those that have sex once a week.

For the same reason, it is not easy to prove treatment efficacy by means of controlled, randomized studies, the «gold standard» for evaluating new therapies.

He points to research by a Stanford University researcher, Allan K. Mishra, who has studied PRP for years, whose in his most recent published research includes a large multicenter study [8] involving a host of well - respected orthopedic surgeons around the country who followed 230 patients in a double - blind randomized control study [the gold standard for medical research].

A 2005 meta - analysis of six randomized control trials (the gold standard for medical studies) found that nipple stimulation increases the likelihood of labor.

If testing is done, a 24 - hour pH probe study -LRB--RRB- is the current «gold standard» for reflux testing in babies; this is a procedure where a tube is placed down baby's throat to measure the acid level at the bottom of the esophagus.

Regarding the science criticism, it's impossible to scientifically prove by a placebo - controlled, double - blind, randomized study (the gold standard in science) that AP works better than a more distant style of parenting.

The MANAstats registry contains high - quality data that uses the gold standard — the medical record — instead of birth certificate data, which research shows is unreliable for studying intended place of birth and newborn outcomes.

We could pick through those studies» respective strengths and weaknesses, talk about why we'll never have a «gold - standard» randomized controlled trial (because women will never participate in a study that makes birth choices for them), and I could quote a real epidemiologist on why determining the precise risk of home birth in the United States is nearly impossible.

The USGS is a federal agency whose scientific studies are reputed to be the gold standard of independent governmental research, and not subject to political pressure.

This study led to the discovery of 18 new imprinted genes, validated some known genes and resolved the disputed status of some others to provide a gold standard list of 93 imprinted genes in mouse.

However, these studies are not randomised controlled trials — the gold standard — in which people are randomly assigned placebos or drugs.

Darlene Kertes and colleagues tested the commonly held belief that pet dogs provide social support for kids using a randomized controlled study — the gold standard in research.

Since randomized clinical trials — the gold - standard in research — don't accommodate patients» preferences, Zoellner and her research team used a study design called a «doubly randomized preference trial» to investigate whether giving patients a choice affects their treatment outcomes.

Another problem is that modeling studies, like this one, are inherently less powerful than other kinds of medical research: randomized clinical trials, the gold standard in medical research, in which patients are randomly assigned different treatments or no treatment; case - control studies, which compare patients who have a condition with those who do not; or cohort studies, which determine the risk of contracting a disease by studying a group of people with similar demographics.

And the Sanofi Pasteur study was a randomized, controlled, blinded trial — the gold standard in clinical research.

Examining more than 100 peer - reviewed studies of predator control, the study found not a single lethal control study that met scientists» gold standard: a randomized, controlled design.

«The gold standard test (for OSA) is still a sleep study and we would not replace that, but because the wait is so long, we needed something quick and reliable to help bump kids up the priority list or to better understand who is at the highest risk for OSA,» said Dr. Sherri Katz, principal investigator at the CHEO Research Institute and assistant professor in the Faculty of Medicine at the University of Ottawa.

«Despite its narrow therapeutic window and the emergence of proprietary alternatives, U.S. FDA - approved lithium therapeutics are still regarded as the «gold standard» for the treatment of the manic phase of bipolar disorder,» said study lead author Adam J. Smith, PhD, a neuroscientist at the Center of Excellence for Aging and Brain Repair, Department of Neurosurgery, at USF Health.

The gold standard to determine if a study is replicable is, of course, to try and conduct it again, with the goal of achieving the same results.

For years now the gold standard for R&D in Alzheimer's disease has focused on generating convincing evidence that any new therapy being studied could slow the cognitive decline of patients and help preserve their ability to perform the kind of daily functions that can keep a patient independent for a longer period of time.

Often clinical studies fall short of the rigorous methodology demanded by «gold standard» clinical trials, in which patients are assigned to treatment groups at random and nobody knows which group is which.

Using simple statistics, without data about published research, Ioannidis argued that the results of large, randomized clinical trials — the gold standard of human research — were likely to be wrong 15 percent of the time and smaller, less rigorous studies are likely to fare even worse.

The evaluation of THN programs is challenging: randomized controlled trials are often considered the gold standard of scientific study, but conducting trials for THN would often be unethical and fraught with difficulties given the infrequency and unpredictability of overdose.

Importantly, researchers must still study existing embryonic stem cell lines — the gold standard — to rule out any hidden risks in the lab - made cells, he says.

While anecdotal evidence exists that writing a bedtime list can help one fall asleep, the Baylor study used overnight polysomnography, the «gold standard» of sleep measurement, Scullin said.

The technique is the «gold standard» for metabolic studies, and the researchers did a «terrific job» using it to compare the total calories burned daily by apes and humans, says biological anthropologist William Leonard of Northwestern University in Evanston, Illinois.

Double - blind clinical trials, the gold standard for research studies in medicine, have never been conducted to investigate the effects of marijuana's terpenes or its cannabinoids other than THC.

Idrobo adds that new electron microscopy techniques can complement existing methods, such as x-ray spectroscopy and neutron scattering, that are the gold standard in studying magnetism but are limited in their spatial resolution.

By studying how the brain and the hearing system work together through this device, our team will set the gold standard for use of this technology.»

The researchers used the gold standard data from the Head Start Impact Study (HSIS), a randomized trial, to examine the effect of Head Start on parent outcomes rather than on child outcomes.

The study compared the main different ways of diagnosing C - Diff, including the two «gold - standard» methods: a cytotoxin assay, which looks for the presence of C - Diff toxin in faecal samples; and cytotoxigenic culture, which looks to see if there are bugs present in faecal samples that could possibly produce C - Diff toxin.

But analysis of whole genomes — the gold standard for population studies — was scanty for many key parts of the world.

Though seen as the gold standard of medical research, such studies — even ones involving thousands of participants — may be too small to ferret out rare risk factors or side effects.

«A gold - standard cancer treatment is in decline, and money may be why: Brachytherapy for cervical cancer a net loss for hospitals, study finds.»