Sentences with phrase «number of previous studies»

Thus, given the small number of previous studies on parenting styles and delinquency, definite conclusions on whether parenting styles have stronger links to delinquency than parenting dimensions or which parenting style has the strongest link to delinquency can not be drawn.

This isn't terribly surprising, since we're talking about local records, which are much more prone to large, random fluctuations than the global average, but Wunsch's point was important, because a number of previous studies had pointed to these local records as evidence of Milankovitch forcing.

The paper analyzes a number of previous studies on this subject and estimates international competitiveness -LSB-...]

Foster et al. examine a number of previous studies which assessed and removed the effects of ENSO on the global surface temperature (emphasis added):

There have been a number of previous studies of financial incentive programs, including tests of pilot programs in Nashville, New York City and Chicago.

As mentioned, a number of previous studies have found that dark unprocessed raw cacao helps reduce your risk for cardiometabolic disorders, including:

A very small number of previous studies suggest that the technique can be used to distinguish between truth and falsehood under controlled and highly contrived experimental conditions.

Professor Young says: «A number of previous studies have investigated the attenuation (height reduction) of ocean waves as they spread across individual coral reefs.

This substantiates the results of a number of previous studies dealing with the epidemiology of childhood overweight and obesity.

«We chose the basal ganglia because they are primary targets of inflammation in the brain,» says lead author Andrew Miller, MD. «Results from a number of previous studies suggest that increased inflammation may be a contributing factor to fatigue in CFS patients, and may even be the cause in some patients.»

Not exact matches

This allows any current student on a recognised course of study within the University, irrespective of matriculation or number of years of previous participation, the right to play.

Future studies with larger numbers of breastfeeding mothers could allow for paired comparisons before and after an intervention, as well as analysis of the impact of independent variables like gender, year of training, age, or previous breastfeeding experience.

Calculation to determine the necessary number of resident participants used estimations of knowledge from previous studies of pediatric residents, which suggested a baseline knowledge about breastfeeding of 60 percentage points.8, 9,15 To detect an improvement in knowledge score of 20 percentage points with an estimated standard deviation of 20 points, a 2 - tailed α error of 0.05 and a power of 0.80, sample size was calculated at a minimum of 16 resident participants.

Parental reporting, however, was accurate in a previous study.13 Because of the number of comparisons in these analyses, some of the significant associations could have occurred by chance.

The total number of mother - infant pairs in the 73 studies that contributed data to this review is 74,656 (this total was 56,451 in the previous version of this review).

While previous studies have shown a similar effect between breastfeeding and asthma risk, this research is the first that showed a link between the length of breastfeeding and the number of wheezing episodes.

A larger number of published studies relating infant feeding to adult cholesterol concentrations were available for the present review than had been available at the time of our previous review (17 compared with 5)(10).

«This robust study clearly reinforces that screening remains an effective option for detecting breast cancers, and challenges previous estimates of the number of women who are overdiagnosed as a result of breast screening.

Previous studies have found that a few TNCs own large chunks of the world's economy, but they included only a limited number of companies and omitted indirect ownerships, so could not say how this affected the global economy — whether it made it more or less stable, for instance.

That's interesting because previous brain imaging studies of synesthetes have suggested that they might have an abnormally high number of neuronal connections.

Previous studies of MERS outbreaks in early 2014 estimated the infective potential at between 2 and 6.7 in Saudi Arabia, similar to the numbers for severe acute respiratory syndrome, or SARS, which has an infective potential of between 2 and 4.

Paula Stephan, a labor economist at Georgia State University in Atlanta and a member of the next generation committee, has described these arrangements and their effects in exacting detail in her book, How Economics Shapes Science, and a number of the previous reports and studies concur with her observations.

Previous studies on distracted driving have mainly focused on teenagers and young people, and programs targeting this group have decreased their number of crashes.

Previous studies by the Cardiff team on warming effects in the Rivers Wye and Tywi reveal significant reductions in insect numbers and even an instance of local species extinction due to climate change.

A previous study indicates that a large number of Moabosaurus and other dinosaurs died in a severe drought.

«We took advantage of electronic medical records to look at the health of a large number of women and their infants, many more than some previous studies.

A previous study by Dr. John Kim, a Northwestern Medicine plastic surgeon, reported a nearly 300 percent increase in the number of complications for panniculectomies (removal of a hanging flap of loose skin and fat from the abdomen) performed by non-plastic surgeons compared with board - certified plastic surgeons.

Previous studies have found that cardiovascular disease accounts for 45 percent of deaths of on - duty firefighters nationwide, in contrast to 15 percent of deaths among those with conventional occupations, with heart attack being the number one cause of death.

Lin Boqiang, director of China Center for Energy Economics Research at Xiamen University — which provides studies in clean energy economics — said their enrollment in 2010 alone almost caught up with the total enrollment number in the previous years.

Previous studies have combined ischaemic and haemorrhagic stroke probably due to the limited number of stroke cases in their datasets.

Unlike previous studies, however, they didn't just consider sperm length, but also the number of sperm per ejaculate, which is important as the resources available for sperm production need to be shared between sperm size and number.

[2] This quantity is in fact much larger than the numbers quoted by previous studies which surveyed smaller regions, leaving out many of the cluster's stars that lie further from its core.

Previous studies by others — notably by Mars, Inc., maker of M&M s — showed that dark chocolate triggers a number of beneficial changes that would appear to slow the ravages of atherosclerosis (see «Chocolate hearts» at http://www.sciencenews.org/20000318/bob2.asp).

For the animal study, the researchers separated 52 mice with colon cancer tumors into three groups, including a control group and groups that were fed either the grape compounds or sulindac, an anti-inflammatory drug, which was chosen because a previous study showed it significantly reduced the number of tumors in humans.

The findings were unexpected because previous studies, done with small numbers of people in the lab, concluded that people's minds wander less often.

Most previous studies would have been limited to questions asking a small number of people, after the fact, how they had felt at a certain time.

In all, about 62 % of the individual differences in academic achievement — at least when it came to GCSE scores — could be attributed to genetic factors, a number similar to previous studies» findings, the team reports online today in the Proceedings of the National Academy of Sciences.

There have been a number of other studies on this topic, but the previous data sources used were incomplete and biased in their coverage of the school shooting events, Pah said.

«Previous studies suggest that reducing heart fat is feasible through weight loss or weight management, but these studies only looked at small numbers of people and there have been no clinical trials linking cardiovascular outcomes with heart fat changes due to weight management interventions.

In contrast to previous studies of Proteaceae in Australia and South Africa, the best - fit model for predicting the number of cluster roots in this study did not contain any soil P factor; foliar P levels correlated with cluster root formation.

Previous studies had examined small numbers of people to confirm already - known genetic risk factors.

Previous studies on budding yeast showed that whittling down the number of copies of ribosomal DNA created a genome that was very sensitive to DNA damage.

The study of chimpanzee personality is not novel; however, according to the authors, previous instruments designed to measure personality left a number of vital questions unanswered.

Using numbers from nearly 50 previous studies, Fargione's team calculated the amount of carbon stored in these landscapes and the up - front carbon cost for each acre of land converted to produce biofuels.

A previous study found that newborns look significantly longer at screens where the number of shapes they are shown matches the number of syllables they hear.

Previous studies have suggested that genes tightly control the number of premolar roots, meaning that this trait doesn't change much in response to environmental conditions.

(Previous studies have shown a dip in the number of the D2 family of dopamine receptors in cocaine - addicted monkeys.)

Previous studies may have overestimated the numbers of animals by counting cheetahs just passing through an area as permanent residents.

Steven Grant, a researcher at the National Institute on Drug Abuse, says that the new findings will help untangle a «chicken and egg problem» with human addiction studies: Previous research found a correlation between the D2 - family receptors and drug abuse, but it was unclear whether fewer receptors contributed to addiction or if chronic drug use led to a drop in the number of receptors.

Reasoning that previous studies may have missed infected bonobo populations, a team led by Beatrice Hahn, MD, a professor of Microbiology in the Perelman School of Medicine at the University of Pennsylvania, conducted a more extensive survey, increasing both the number and places they sampled wild bonobo populations.