Sentences with phrase «on weak evidence»

Rather, the authors conclude — and provide evidence to support this conclusion — that guidelines about sugar consumption are based on weak evidence and we need better research on this topic.»
Likewise, advocates for smoking bans should be more candid about the limits of the arguments when interventions depend on weak evidence.
The researchers, led by Dr Vinay Prasad at Oregon Health & Science University, say their findings «raise concern that the NCCN justifies the coverage of costly, toxic cancer drugs based on weak evidence
«US cancer treatment guidelines «often based on weak evidence»: Findings question the underlying evidence for current guidelines.»

Not exact matches

Weaker - than - expected earnings from Cognex could provide more evidence that Apple is pulling the plug on the iPhone X.
This generally supports the case that Living Goods offers high quality products, but because our experience on the site visit may have been non-representative and there are many other potential factors that may affect the effectiveness of drug treatments aside from following storage procedures for drugs properly, we consider it to be only weak evidence in support of the quality of Living Goods» drug treatments.
The empirical evidence on both counts is weak or absent.
As a result, to base your «evidence» on eyewitness accounts is weak at best, and completely misleading at worst.
Capital punishment's lack of demonstrated superiority as a deterrent (the evidence for its effectiveness being at best mixed), the capacity of society to protect itself equally well by permanently imprisoning those who are currently being executed (which is possible at limited marginal cost, especially when one takes into account the cost of the extended trial procedures and interminable appeals and reviews which usually accompany capital punishment)-- all these points are important, but their utility is chiefly as rebuttal arguments in response to the empirically weak but emotionally strong claims made on behalf of capital punishment.
According to Gareth Nelson, «evidence, or proof, of origins — of the universe, of life, of all the major groups of life, of all the minor groups of life, indeed of all the species is weak or nonexistent when measured on an absolute scale.»
Gouldey (2005) says, «Statistically significant evidence is found that the market is not weak - form efficient and that speculative profits (after transaction costs) can be earned using the information set based only on quoted betting and realized point spreads.»
Because, based on all evidence from the previous decade, we're injury - prone, mentally - weak, half - season bottlers.
Though on evidence of Gabriel Paulista and Callum Chambers performance against Liverpool, there is no cause for worry against a weaker Newcastle side.
Section B contains «studies exhibiting problems with the design, analysis or reporting» and so on, with the evidence becoming weaker as the letters progress.
«In this instance, the DWP's arrangements for overseeing and inspecting its contractors were so weak that vital evidence on potential fraud and improper practice was not picked up.»
On the issue of whether Orwell had the Fabians in mind: I think the direct evidence is weak.
He too alluded darkly toward «evidence of voter suppression,» and called for formal federal oversight of the final vote count — though was weak on the details of what nefarious activities transpired.
But some of these drugs are only effective after several months, and their use is «based on very weak evidence,» Niklas Långström, a psychiatric epidemiologist at KI, said at the press conference.
This orientation «suggests bipedality,» says Juan Luis Arsuaga of the University of Madrid, although «the evidence is still weak» because so far it is based primarily on a single bone.
«Each individual piece of evidence is, on its own merits, weak,» she says.
In the paper «Banning Smoking In Parks and on Beaches: Science, Policy, and the Politics of Denormalization,» published in the July issue of the journal Health Affairs, researchers at Columbia University's Mailman School of Public Health analyzed the evidence for these claims and found them to be far from definitive and, in some cases, weak.
Speaking at an annual meeting of the American Association for the Advancement of Science, Barnett said climate models based on air temperatures are weak because most of the evidence for global warming is not even there.
Based on the evidence provided by these studies, researchers from McMaster University in Ontario divided dietary interventions (or nutrients) into three categories: strong, moderate, or weak causal relationships between consumption and decreased — or increased — risk of developing heart disease.
The researchers concluded that only a few foods or dietary patterns have a significant impact on your risk for heart disease, whereas the vast majority of things that we dietitians typically recommend have only weak associations — or may even lack sufficient evidence to say that these foods impact heart disease at all.
The upshot is that the scientific evidence is weak in pointing a smoking gun at silicones, but the questions and uncertainty are there, so it's worth keeping a close eye on them — especially given the growing concerns about endocrine - disrupting chemicals that might produce health problems a generation after a minuscule exposure.
Instead, the 2010 DGAC Report continues to make one - size - fits - all recommendations that are based on evidence that is weak, fragmented and even contradictory in nature.»
I came to realize that much of what we are taught about dieting and nutrition is based on weak or absent evidence.
Given the existence of (weak) evidence that postmenopausal therapy with oral estrogen may increases breast cancer risk, it is recommended that women at risk of, or who already have been diagnosed with breast cancer, should avoid soy products just to be on the safe side.
A systematic review of 44 cohort studies published in the BMJ showed that evidence about effects of calcium supplements on risk of fractures is weak and inconsistent.
I've been writing about this for a while — mostly on the basis of fairly weak indirect evidence because there's very little research on the health effects of wheat vs. other grains except in celiac patients.
Perhaps the evidence is pointing away from the healthiness of white potatoes, but these conclusions seem to be based on weak data.
I will review research and clinical evidence proving worth of this most classic of «food as medicine» approaches, as well as help sift through weaker research on different dietary approaches trying to be passed off as good evidence.
Past research focused on weak epidemiological evidence to determine the link between saturated fats, cholesterol, and CVD.
It's become widely accepted in the movie industry that the weakest weekend of the year is always that of Labor Day and one needs to look no further for evidence of that than the fact that this year's one new wide release on Friday was the dismal found - footage horror flick As Above, So Below (the almost equally subpar November Man got a jump on proceedings by releasing two days prior though that didn't help it any).
That the evidence is often weak, misleading, or irrelevant is a serious problem, but at least the action is on the right field of play.
In a recent New York Times op - ed, I argued that the case for Betsy DeVos's Secretary of Education appointment rests on a very weak track record — in particular, the evidence does not support her free market approach to school reform that relies, first and foremost, on school vouchers for private schools, as well as unregulated forms of charter schooling.
They contend that the evidence points to a mismatch, specifically that «a school choice program's impact on test scores is a weak predictor of its impacts on longer - term outcomes.»
In comparison, evidence on the impact of other items on the table such a repatriation of offshore earnings is weak or contrary.
Although the findings are weaker on this count, the best evidence indicates that the impact of collective bargaining is especially negative for schools that are «relatively» high minority within a given (larger) district....
On balance, the evidence suggests, students benefit when collective bargaining rights for teachers are stronger, not weaker.
And, increasingly, we're getting solid evidence of what reforms may help: teacher evaluations based on student performance, higher pay and prestige for good teachers, dismissals for weak teachers.
«Nevertheless, the general sense from the literature and the evidence collected for this study is that the checks and balances on academy trusts in relation to conflicts of interest are still too weak.
As Rep. Pope wrote, «Strong theoretical reasons» do not amount to evidence and the absence of previous research on a topic does not validate weak research.»
Using QRT Part 3, reviewers look across studies on a CSR model and rate the cumulative evidence as strong, moderate, limited, weak, or nonexistent.
«Small class sizes and required higher pay for higher degrees may have marginal bene?ts, but the evidence of their effect on student achievement is weak,» she says in her policy agenda.
While prior evidence paints a mixed picture of the influence of demographic variables on leader efficacy, the overall effect of such variables seems to be weak or non - existent.185 For example, virtually no evidence suggests that school level or size, 186 teachers «age or total years of experience in education, student SES or student ethnicity, influence leader efficacy.187
However, a recent meta - analysis of published studies on neutering females and MC found that the evidence linking neutering to a reduced risk of MC is weak [13].
However, a recent systematic review of published work on neutering and mammary tumors found the evidence that neutering reduces the risk of mammary neoplasia to be weak, at best [13].
I know in medical statistics, if you have a whole lot of weak evidence, from a lot of different measures or theories, all suggesting there's something going on not yet well understood, it's more convincing that if you have only one piece of weak evidence that's easy to dismiss as being that one - in - twenty accidental blip.
Of course Mass may feel that a linear regression of average Texas summer temperatures since 1895 provides conclusive evidence for his case that AGW is currently far too weak to play a significant role in the Texas 2011 heatwave (an argument he recycles in his Aug 9 blog post), but it is strange Mass picks on Rupp et al 2012 without mentioning Massey et al 2012 in the same collection of papers that similarly finds AGW impacts in excess of Mass's method (3 times in excess by my calculation).
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