Sentences with phrase «different studies estimate»

Different studies estimate that between 15 & 40 % of gay adolescents will attempt suicide.

Furthermore, different studies estimate costs based on different criteria, which will be outlined in regards to each study.

Not exact matches

This study estimates the economic impact of the proposed U.S. tariffs and China's proposed retaliation in three different scenarios.

The Abacus study also asked those who voted in the 2015 Canadian General Election to rank a ballot that included the main political parties and generated data for 11 regions to estimate, with increased precision, the outcome of the Canadian election had it been run under different electoral systems.

The lower levels of baseline sugar sweetened drink consumption in the UK compared with the US may in part explain why the effect on obesity that we estimate in the UK is much less than that estimated in the US.12 The differences with respect to other modelling studies may also be partly explained by their use of higher own price elasticity values for sugar sweetened drinks than we have calculated and used here.18 22 52 We can not make direct comparisons between the results of our study and the results of recent studies of the effect of reducing sugar sweetened drink consumption on body weight in children, 5 7 as the relation between energy balance and change in body mass index in children who are growing is different from that in adults.

The performance of different propensity - score methods for estimating differences in proportions (risk differences or absolute risk reductions) in observational studies.

Although the results of the meta - regression showed no evidence of significant heterogeneity between subgroups, summary association estimates were slightly different in subgroup analyses by study design and exposure assessment.

Studying the two different types of twins allowed researchers to estimate the relative influence of three different factors on twins» trust and distrust trust behaviors: heritable factors — that is, genetic influences; shared environmental factors — that is, common experiences of growing up in the same family and interacting with the same immediate peers; and unshared environmental factors — or the siblings» unique experiences in life.

The authors note that while the sample size of the meta - analyses was large (123,132 to 260,861 participants in different studies), they used only GWAS summary statistics and can not estimate all genetic variance factors; some studies also used different methodologies.

A 2014 study showed that we can distinguish at least 1 trillion different odors — up from previous estimates of a mere 10,000.

Our study is significant because, while there are various different estimates for the start and end of the Little Ice Age in different regions of the world, our data show that the most extreme phases occurred at the same time in both the Northern and Southern Hemispheres.

This estimate, while in line with suggestions from previous linguistic studies, is a more robust result because it was found consistently in the majority of the different statistical models of evolution tested in this study.

In a new study, scientists at Arizona State University (ASU), Tempe, quantified the different metals in sewage sludge and estimated what it all might be worth.

Heritability (how much the risk of a disease is explained by genetic factors) of type 2 diabetes has been estimated to be between 25 and 80 per cent in different studies.

The results of two studies, published in Science, present a new «rule - book» to estimate the risk of different cholera strains causing an epidemic.

This dosing also exceeded the predicted human efficacious dose for AVI - 7288 estimated by three different models based upon the nonhuman primate studies that demonstrated up to 100 percent animal survival, including a delayed time - to - treat setting.

Global methane and ethane emissions from oil production from 1980 to 2012 were far higher than previous estimates show, according to a new study which for the first time takes into account different production management systems and geological conditions around the world.

Also, the new mortality estimates, while dramatically higher than the approximately 150,000 annual deaths attributed to climate change stress in WHO's last assessment in 2004, are not directly comparable to earlier studies, which relied on different models and different underlying scenarios.

The researchers note that the most likely response from industry will involve a combination of the approaches outlined in the study, and although there is a high level of uncertainty in the estimates, the findings provide much needed evidence on the relative effects of different industry responses, and the possible magnitude of health outcomes.

It's different from other studies that have estimated out - of - pocket spending based on the design of insurance plans.

«With disparate time estimates coming from the genetic studies, we need archaeological data to fix the chronology for when people are present in different places,» Rademaker says.

Study authors called for more research to assess the association between self - estimated BrACs and driving behavior in different contexts, and to investigate how altering drinking environments could improve individuals» ability to self - estimate their BrACs and avoid driving after drinking.

«It's the first time that a scientific study compared different methods of estimating temperature impacts on global crop production.

These new and unique observations of the jets and estimates of magnetic field of V404 Cygni involved studying the body at several different wavelengths.

The study also showed the method could not only be used to estimate time of death in different seasons, but as a way to determine the original location of moved corpses and even help in locating buried corpses.

The results of two studies, published in Science (10 November), present a new «rule - book» to estimate the risk of different cholera strains causing an epidemic.

It is important to regard the LGM studies as just one set of points in the cloud yielded by other climate sensitivity estimates, but the LGM has been a frequent target because it was a period for which there is a lot of data from varied sources, climate was significantly different from today, and we have considerable information about the important drivers — like CO2, CH4, ice sheet extent, vegetation changes etc..

Unfortunately these studies used a different strain of mouse and / or the gene - level expression data is not publically available, thus we were unable to compare those abundance estimates with the data reported here.

Considering two different cluster ages (100 and 150 Myr), we selec... ▽ More We performed a deep wide field optical survey of the young (~ 100 - 150 Myr) open cluster Blanco1 to study its low mass population well down into the brown dwarf regime and estimate its mass function over the whole cluster mass range.The survey covers 2.3 square degrees in the I and z - bands down to I ~ z ~ 24 with the CFH12K camera.

This estimate of the total mass of TNOs is based on two studies that used completely different techniques, each with their strengths and limitations.

However, a task for the future will be to estimate the amount of glycine that can be supplied by microorganisms present in the digestive tract, which we have been unable to consider in the present study due to the absence of suitable data, but which may well affect the varying frequency of collagen - related diseases in animals with different systems of digestion.

In one study, it was estimated that Starbucks has 87,000 different drink combinations.

The study takes pains to look at alternative matching approaches and different ways to estimate effects on test scores.

The main findings were not affected when the study estimated different kinds of models and made the sample larger by including students that became eligible for a voucher in any year after the program initially started in 2007.

Employing information on in - class time use provided by a nationally representative sample of U.S. teachers in the 2003 Trends in International Mathematics and Science Study (TIMSS), we estimate the impact of teaching practices on student achievement by looking at the differential effects on the same student of two different teachers, using two different teaching strategies.

Studies have estimated that Australians will make 17 changes in employers across five different careers.

The study provides important insights into the feasibility of the programme in terms of: its potential effects on outcomes; an estimate of these potential effect sizes (providing valuable information on sample sizes for future study); the impacts on different groups (particularly with regard to free school meal eligibility); and key facilitators and barriers to implementation (from the process evaluation and the exploratory analysis of dosage).

On the other hand, the observational estimates for charter schools that contribute to the lottery study are larger than the observational estimates for other charter schools (though the latter are still positive and significantly different from 0).

First it is important to note that studies focus on different grade levels, subjects, and types of students taught, and in some cases the estimated effects of particular attributes are not consistent across the board.

A recent study finds evidence that teachers who teach different types of students also systematically differ in the stability of their value - added estimates.

Importantly, two studies [21] calculate higher correlations between estimates that use different models than between estimates that use different exams.

Studies in this area include alignment studies, DIF, standard setting, and estimating different types of reliaStudies in this area include alignment studies, DIF, standard setting, and estimating different types of reliastudies, DIF, standard setting, and estimating different types of reliability.

Third, in one of the best and most well - respected studies we have on this to date, Papay (2010)[in his Different tests, different answers: The stability of teacher value - added estimates across outcome measures study] found that value - added estimates WIDELY range across different standardized tests given to the same students at the sDifferent tests, different answers: The stability of teacher value - added estimates across outcome measures study] found that value - added estimates WIDELY range across different standardized tests given to the same students at the sdifferent answers: The stability of teacher value - added estimates across outcome measures study] found that value - added estimates WIDELY range across different standardized tests given to the same students at the sdifferent standardized tests given to the same students at the same time.

To read more about this, the best research study explaining why doing just this will set any state up for lawsuits comes from Brown University's John Papay in his highly esteemed and highly cited «Different tests, different answers: The stability of teacher value - added estimates across outcome measures»Different tests, different answers: The stability of teacher value - added estimates across outcome measures»different answers: The stability of teacher value - added estimates across outcome measures» article.

In the study titled «Different Tests, Different Answers: The Stability of Teacher Value - Added Estimates Across Outcome Measures» published in 2009 by the 3rd best and most reputable peer - reviewed journal, American Educational Research Journal, Papay presents evidence that different yet similar tests (i.e., similar on content, and similar on when the tests were administered to similar sets of students) do not provide similar answers about teachers» value - added perDifferent Tests, Different Answers: The Stability of Teacher Value - Added Estimates Across Outcome Measures» published in 2009 by the 3rd best and most reputable peer - reviewed journal, American Educational Research Journal, Papay presents evidence that different yet similar tests (i.e., similar on content, and similar on when the tests were administered to similar sets of students) do not provide similar answers about teachers» value - added perDifferent Answers: The Stability of Teacher Value - Added Estimates Across Outcome Measures» published in 2009 by the 3rd best and most reputable peer - reviewed journal, American Educational Research Journal, Papay presents evidence that different yet similar tests (i.e., similar on content, and similar on when the tests were administered to similar sets of students) do not provide similar answers about teachers» value - added perdifferent yet similar tests (i.e., similar on content, and similar on when the tests were administered to similar sets of students) do not provide similar answers about teachers» value - added performance.

The vaccine appears to be safe, but various studies have yielded different estimates of vaccine efficacy.

While the study set out to estimate incidence rates of each disease related to age at neutering, patients were diagnosed at different ages and with differing durations of the disease as well as varying years at risk from the effects of gonadal hormone removal.

This survey should provide an updated list of breeding sites, a good estimate of the size of the population, and data about survival rate of different age classes: together with the high resolution data from our intensive study of Sea Lion Island this new information should provide the parameters needed to determine the current status of the population and forecast its future.

Also, your claim that non-satellite estimates before 1979 are «too subjective» simply tell the world that you haven't studied into how global temperature reconstructions are made, or the fact that there are multiple efforts using different methodologies that are unrelated to each other.

Some of them are optimal fingerprint detection studies (estimating the magnitude of fingerprints for different external forcing factors in observations, and determining how likely such patterns could have occurred in observations by chance, and how likely they could be confused with climate response to other influences, using a statistically optimal metric), some of them use simpler methods, such as comparisons between data and climate model simulations with and without greenhouse gas increases / anthropogenic forcing, and some are even based only on observations.