Sentences with phrase «while previous studies»

While previous studies, including one published in the Harvard Business Review last year, surveyed employees» own opinions on how valuable their time entries were, this study used economic value, rather than opinions, as its yardstick.
While previous studies focus on ensemble mean variability due to sea surface temperature forcing, this study examines atmospheric internal variability that affects cyclone track distributions.
While previous studies point to atmospheric CO2 concentrations of 3,000 — 4,000 parts per million during ancient greenhouse events, Breecker's team revises this down to around 1,000 parts per million.
While previous studies have demonstrated that BPA is linked to adverse health effects, this study fills in a missing piece of the puzzle — whether or not polycarbonate plastic bottles are an important contributor to the amount of BPA in the body.
While previous studies have shown that ozone hole recovery could lead to a warming of the Antarctic, much work remains.
While previous studies have examined the impact of grant financing on students» postsecondary decisions, the existing literature on the impact of need - based financing in the context of developing countries is limited.
While previous studies had relied on students» self - reporting of their social status, Fryer asked each student to list his or her friends, and then he cross-checked the friends» lists to see whether they matched up.
While previous studies had speculated that much of the effect of leucine was due to its downstream metabolite HMB, this study is the first to actually demonstrate this effect in living cells.
While previous studies have suggested that Montmorency tart cherry juice has sleep - enhancing benefits, Greenway and colleagues set out to help explain why.
While previous studies had hinted at the benefit of exercise for preventing heart failure, and even for helping heart failure patients to recover, there was little data about whether the current recommended amount of exercise — the same 150 minutes per week advised for heart attack prevention — was enough.
While previous studies have suggested that the sympathetic nervous system - the «fight or flight» response - of veterans is overactive, this study was the first to measure this increased activity directly and provide a potential mechanism behind this response.
While previous studies have identified mutations in drug target genes in resistant parasites, changes in the expression levels of both targets and transporters have also been reported.
While some previous studies report no association between maternal infections during pregnancy and ASD risk,4 - 6 many recent epidemiological studies report an increased ASD risk in association with maternal infections7 - 11 and fever during pregnancy.12, 13 Some studies examine infection timing, but results have been mixed.
While previous studies have looked at the connections between specific defects and the risk of any cancer, or specific cancers and birth defects generally, «what's missing [are] good, population - based estimates of the risk of specific cancers and associations with specific birth defects,» says coauthor Jeremy Schraw, a postdoctoral pediatric cancer researcher at Baylor College of Medicine, during a press conference at AACR.
While previous studies had demonstrated a synergistic effect of BMP and LIF on the astrocytic differentiation of human neural stem cells [15], it remains unclear whether BMP and LIF induce distinct types of astrocytes and if so, what the functional properties of these astrocytes may be with respect to repairing CNS injuries.
While previous studies had examined the effects of El Niño on sea levels, namely around Australia, this one was the first to look at the U.S. and combine tide gauge and satellite data.
While previous studies have used fMRI or EEG to detect this sort of «covert consciousness» in patients who have moved from acute - care hospitals to rehabilitation or nursing care facilities, no such study had previously been conducted in ICU patients.
While previous studies had suggested that females sometimes had cubs with outsider males, Lyke's is the first strong genetic evidence, says Bruce Patterson of the Field Museum of Natural History in Chicago.
While previous studies have shown the link between palliative care and lower costs, this is the first study to examine whether the effect of palliative care consultation varies by the number of co-existing chronic conditions.
While previous studies have shown that WFC interventions such as STAR can positively affect the health and well - being of workers and families, the new study is the first to estimate the ROI of such programs.
But while previous studies of water flows had treated all water equally, the new study accounts for water scarcity.
While previous studies have demonstrated the effects of maternal depression on children's limited response to other's pain, this new study is the first to examine this topic in a longitudinal sample of mother - child pairs followed from birth to age 11.
While previous studies have focused on Batesian mimicry in the common cuckoo and Eurasian sparrowhawk, this is the first time that the plumage patterns of cuckoos have been analysed using digital image analysis techniques.
While previous studies have employed various high - pressure deformation apparatuses to hold samples together and prevent them from fracturing, a complicated set - up that makes measurements of strength challenging, nanoindentation does not require such a complex apparatus.
While previous studies have identified disruption to communication channels in these two areas of the brain contribute to symptoms in psychiatric disorders, the mechanisms that lead to these disturbances have been largely unknown, until now.
While previous studies have demonstrated that home workers are more productive than office - based workers, the LSE study of more than 500 employees * shows that on a long term basis, there are no differences between home and office workers.
While previous studies investigating whether weight loss could reduce asthma risks showed little or no benefit, participants in those studies lost only modest amounts of weight.
While previous studies had examined the impact of climate change - induced weather patterns on violence and the increased danger of violence in weak or failing states, this is the first study to demonstrate that the combination of the two risk factors is even more dangerous than they would be separately.
She said that while previous studies have looked at the 10 - year risk of cardiovascular disease among the homeless population, she felt that was not a long enough period of time to take into account the impact of changed behavior, such as stopping smoking.
While previous studies have shown that this student - centered method can be more effective than teacher - led instruction, Wieman says this study attempted to provide «a particularly clean comparison... to measure exactly what can be learned inside the classroom.»
While previous studies have shown a link between sleep duration and obesity, the new work highlights the importance of sleep timing, says Kristen Knutson, a sleep researcher at the University of Chicago in Illinois.
While previous studies have investigated earthquake early warning systems based on scientific - grade GPS data, most regions at risk for earthquakes don't have the infrastructure needed to monitor earthquakes at this level.
While previous studies have looked at targets outside of the opaque environments, this study took it much further by placing the target in biological fluids.
While previous studies have shown that children and adolescents who self - harm are at a higher risk of suicide, the paper by academics from UCL and the University of Leeds, argues that the risks apply to a larger group of adolescents.
While previous studies have shown that children living in immigrant families are more likely to be uninsured, less is known about what percentage of uninsured children who are immigrants or have immigrant parents.
While some previous studies have suggested that the demise of the dinosaurs and other groups was gradual, many scientists argue that the dinosaur fossil record in particular is patchy, and can not compete with marine fossils in terms of quantity and biodiversity.
While previous studies had accomplished this feat, nobody has been able to then grow these intermediate cells into functioning skeletal muscle.
While previous studies have linked skipping breakfast to coronary heart disease risk, this is the first study to evaluate the association between breakfast and the presence of subclinical atherosclerosis.
While previous studies have shown only very slight advantages to illicit matings, now «we have a situation where the advantages of this behavior can be huge.»
«Stridulation, or chirping, sounds produced by the beetles have been reported with respect to mating and aggressive male behavior, and while previous studies proposed the mechanism and reported on some preliminary acoustic recording of the chirps, the chirp characteristics have not been examined extensively,» explained John Allen, a scientist at the University of Hawaii.
While previous studies have surveyed the genomic characteristics of tumors confined to the prostate gland, the new study is the first to focus on metastatic hormone resistant prostate cancers, which can be difficult to treat because they often develop resistance to standard treatments.
While some previous studies found that maintenance lenalidomide after autologous hematopoietic stem cell transplant improved overall survival for newly diagnosed multiple myeloma patients, others showed no benefit to this approach.
While previous studies have established that reducing allergen exposure in the home helps control established asthma, the new findings suggest that exposure to certain allergens early in life, before asthma develops, may have a preventive effect.
«Additionally, while previous studies of dynein have revealed the molecule's two different static conformations, our animation visually depicts one plausible way that the protein can transition between those shapes at atomic resolution, which is something that other simulations can't do.
«While previous studies at McLean and elsewhere have focused on the behavioral symptoms produced by such immune activation, this study goes deeper, going to the cellular level to show how the brain's neural circuits are affected.»
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.
While previous studies have also suggested a link between breastfeeding and reduced breast cancer risk, results have been mixed, Stuebe writes.
While previous studies have examined the relationship between formula use and breastfeeding, some have questioned the results, wondering if mothers using formula were simply less committed to breastfeeding.
But while his previous study showed what kinds of problems materialism causes, this new study shows why they occur.

Not exact matches

While the Journal doesn't quote the publishing journal for the new studies, a previous study by both institutions in 2014 showed that those who took notes with a computer performed much worse on answering conceptual questions than those who hand - wrote.
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