Sentences with phrase «do statistical studies»

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

«This is the first time we have a population that's really well - characterized so we can do a statistical study and understand Earth analogs out there,» Thompson said.

Not exact matches

Statistical studies do not show any effects from praying.

- 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.

The above studies do not exhaust the statistical research available for clarification of issues in religious broadcasting.

At first, the studies originally done claimed some kind of statistical significance, however when the studies were re-done under more tighter controlled conditions, there was no apparent results that would indicate prayer to be any more effective than anything else.

According to Robert Hall, professor of pediatrics at the University of Missouri School of Medicine in Kansas City, there was no statistical difference in growth, language development, vision or cognitive development among the children studied, although in most categories the breast - fed infants did show slightly better performance.

You don't have to wade through statistical studies to get to the tips and tricks for choosing and using books with very small people.

Previous studies clearly indicate a strong correlation between social class and the initiation and duration of breastfeeding, and although this study is not able to make statistical generalizations of this kind, the findings of this research do not support this.

If you don't have any scientific or statistical training (and I don't believe you do) then you are in no position to make the claim that medical researchers don't «use the scientific method in their studies.»

This doesn't directly answer your question, which is about studies and statistical correlations, but here is some evidence that at least some of the views of the Republican Party, which a lot of Republican voters hold as well, can be traced back to positions adopted by the GOP as part of the Southern Strategy to appeal to Southern whites using coded racial appeals.

Done well, these methods of blending data can provide a result with strong statistical power, finding an effect that might be missed in a single study.

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

But that study did not include a statistical analysis that could show whether this decline was significantly different from previous observations.

In February, a similar study of PRO 2000 that only involved about one - third as many women found 30 % fewer HIV infections in the treated group, but with a p - value of 0.10 — a positive trend that did not reach statistical significance.

Another limitation of the study was that there was substantial statistical heterogeneity, and the existing data do not clarify whether depressive symptoms are the result of critical illness, or if post-ICU depressive symptoms mainly reflect illness before ICU admission or are a result of hospitalization.

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.

The study, published on 4 October in Lancet Infectious Diseases, also showed that oral contraceptive use by women increased the risk of HIV infection for both women and men with infected partners, but the numbers generated did not rise to statistical significance.

The study, which included 40 sites from Spain to Russia and employed the most recent sample preparation and statistical techniques to increase dating accuracy, found that Neandertals and modern humans did overlap for 2600 to 5400 years, depending on the exact region they inhabited.

Experimental philosophers continue the search to understand people's ordinary intuitions, but they do so using the methods of contemporary cognitive science (see also here and here)-- experimental studies, statistical analyses, cognitive models, and so forth.

A study from Iowa State University researchers has found a statistical inclination towards violence among children who play violent video games, though caution that the results do not automatically mean at - risk children will develop antisocial behaviors.

In a normal efficacy study, the researchers start with the assumption that the drug doesn't work, and allow themselves to be «surprised» if the statistical analysis shows that the drug has worked much better than expected.

Skeptics point out that all studies done on REST therapy used small groups of people, reducing the statistical significance.

There and there were no statistical differences between the groups in circulating androgens or glucose levels, but when both groups were studied together circulating androgens and insulin sensitivity measurements did improve.

Studies have not yet been done to give us statistical data on the use of raspberry leaf tea, but as more women and health professionals discover its potential, its popularity will surely continue to grow.

From a statistical standpoint the study is absurdly flawed, and really doesn't tell you anything about racial preferences in interracial dating.

You do nt need statistical studies to know the ratio of women to men is out of.

In his reevaluation of the Tennessee STAR study, he relies on the exact same research design and uses many of the same statistical procedures that we did in our studies of school vouchers in New York City, Dayton, Ohio, and Washington, D.C.

In fact, there have been seven scientifically valid random - assignment analyses of voucher programs, and all seven found either that all voucher students perform significantly better than their nonvoucher contemporaries, or at least that most of them do (in some studies the results for black students, the majority of participants, are positive, while the results for other students fail to achieve statistical significance).

None of the independent studies performed of the most lauded and long standing voucher programs extant in the U.S. — Milwaukee, Wisconsin; Cleveland, Ohio; and Washington, D.C. — found any statistical evidence that children who utilized vouchers performed better than children who did not and remained in public schools.

To do this we use cluster analysis, a statistical method designed to group objects of study (in this case, schools) based on similar qualities.

Setting aside the question of whether 8th - grade tests can be compared with the lower - grade tests in the Prospects study and the higher - grade tests in the National Education Longitudinal Survey, a more basic problem with this measure has to do with the statistical properties of test scores.

For instance, although most of the studies cited above do include statistical controls for peer effects (the mean characteristics of other student in a class or school), very few states or districts do so when generating value - added estimates.

After denouncing the «best practices» identified by the authors of Surpassing Shanghai on the basis of the methods we used, Greene appears to realize that his war on «best practices» has led him to inadvertently attack the kinds of studies done by people whose policy prescriptions he prefers, like Ludger Woessmann and Eric Hanushek, who have done well - regarded statistical analyses of survey data from OECD - PISA and other sources.

Based on a series of experiments, [5] simulation studies, [6] and statistical tests, [7] elementary school value - added models do seem to address the selection bias problem well, on average.

While it is true that the DeAngelis study does not provide absolute proof of A causing B — a near impossibility when studying children — the sophisticated statistical methods utilized was in fact created to approximate causal relationships.

Each student gets a more or less random sample of items, some students will get a bunch of hard ones, some will get easy ones, in fact the test developer doesn't know yet which items will be hard or which ones will be easy, and in fact the expectation is that roughly half the items in the study will not have the right statistical characteristics to survive and be included in the final operational tests anyway.

Regarding national findings, a review of the CREDO study by the National Education Policy Center questioned CREDO's statistical methods: for example, the study excluded public schools that do NOT send students to charters, thus «introducing a bias against the best urban public schools.»

Dividends don't only provide income from your investments, but dividend - paying stocks are also generally more stable and reliable than companies that pay no dividends, and statistical studies have proved that dividend stocks tend to produce market - beating returns over the long term.

The authors discuss some possible reasons for this finding and acknowledge that we don't have enough information yet to know if this is a real effect vs. a statistical fluke of some kind, but it's not the first study to show similar results.

I did a statistical analysis of shelters a few months ago which showed that a high live release rate does not correlate with a smaller community size — in fact, if anything, the study showed that a high live release rate is more likely in larger communities.

It would seem to make sense that estrogens have an effect on joints, but the only scientific study I am aware of on the subject (that has what is accepted as statistical significance) indicates that it does not.

Of course, even if your various studies did support each other it would not mean that their conclusions were valid, if the statistical inference methods used in all of them were seriously flawed, as I have reason to believe.

Unfortunately, the figure also confirms that the spatial resolution of theoutput from the GCMs used in the Mediterranean study is too coarse for constructing detailed regional scenarios.To develop more detailed regional scenarios, modelers can combine the GCM results with output from statistical models.3 This is done by constructing a statistical model to explain the observed temperature or precipitation at a meteorological station in terms of a range of regionally - averaged climate variables.

Reading it, this is a statistical study of windfarms and doesn't go into the reasons for the decline in productivity.

Did you actually study statistical physics or are you just dreaming stuff up to align with the rest of your team's groupthink?

Complex, mathematically questionable surface statistical models of the Jones type do not count, nor do selected glacier studies.

The Journal of the American Statistical Association still publishes good papers supporting a skeptical / lukewarmist position (as does the AAAS's Science Magazine), but I expect that the board of the ASA has just raised the bar for accepting studies not supportive of the consensus.

Dr. Stan Young of the National Institute for Statistical Studies reports that «90 % of studies in epidemiology do not replicate... There is no supervision in the universities.Studies reports that «90 % of studies in epidemiology do not replicate... There is no supervision in the universities.studies in epidemiology do not replicate... There is no supervision in the universities.»

I have an open offer to provide space here for people doing critical statistical studies of any climate study — be it of Douglass et al or anyone else, but do wish to maintain an IPCC focus.