Sentences with phrase «most previous studies on»

Quinn said most previous studies on potential biofuel plants, or feedstocks, focused on identifying highly invasive ones that should be avoided if possible.
The study authors noted that most previous studies on nausea and pregnancy loss were not able to obtain such detailed information on symptoms in these early weeks of pregnancy.
Most previous studies on evolution views were done in the Midwest and Northeast, Rissler said, and hearing many of her students say the topic was avoided in their high - school science classes helped prompt the study, she said.

Not exact matches

Previous studies show that vegging out can actually be highly restorative for those who are mentally exhausted, but the research team wondered, are the types of people who are most in need of a night on the couch the least likely to allow themselves a healthy dose of sloth?
Also, in light of the previous point, this sort of makes pastors and preachers the dealers in this transaction, which is why you will very often find the most Bible addicts in a church where the pastor and preacher places an heavy and constant emphasis on attending church, listening to sermons, daily Bible reading, and going to Bible studies.
It can also reveal the author's attempt, present in most studies if only by implication, to correct what the writer feels is an overemphasis in the corpus of previous studies on another perspective.
This meta - analysis makes a significant contribution to the available evidence on this topic because it includes 6 original studies on the subject not included in previous meta - analyses.38 - 43 Moreover, to our knowledge, this is significantly the largest and most up - to - date review and analysis of current knowledge on childhood leukemia and breastfeeding.
Although most studies of parental depression have focused on mothers, the impact of depression in fathers has received increasing attention.2, 3 Using data from the 2002 National Comorbidity Replication Survey, the Institute of Medicine report also estimated that 4.3 % of men with a child under 18 years old had a major depressive disorder within the previous 12 months.1 In addition, a recent meta - analysis4 suggested that the prevalence of paternal depression within the first year of a child's life was 10.4 %.
Most previous studies have compared breast fed children with children who were exclusively formula fed, but some studies have found that the correlation between breast feeding and cognitive ability increases with a longer duration of breast feeding.3 13 30 A Finnish study of 1163 children found a mean difference of 2.4 points on a cognitive test at 6 months of age between children breast fed for less than five months, compared to children breast fed for at least five months.10
For example, the effect of early milking frequency on «programming» milk production capacity has been explored in bovine models [30], [40]--[42], but no human studies have been conducted, most notably due to the previous need for mammary biopsies.
In fact, based on previous studies, the US Food and Drug Administration concluded in 2003 that eating 1.5 ounces per day of most nuts «may reduce the risk of heart disease.»
«Most previous research into ways of delaying the onset of HD symptoms have focused on studying the mutant protein in cells or in animal models, but the relevance of abnormalities in those systems to what actually happens in patients remains a huge assumption,» says James Gusella, PhD, director of the Center for Human Genetic Research (CHGR) at Massachusetts General Hospital (MGH), corresponding author of the Cell paper.
Most previous studies focused on one specific food type, studied outcomes in later childhood or studied high - risk groups.
Most previous studies have relied on human assessments of appearance, but predators often see the world very differently to humans.
«Most previous studies had focused on the media cells but hadn't spent much time on the endothelial cells, and nobody had shown how the two would interact,» Truskey said.
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.
In most previous studies of how these connections evolve, scientists have focused on the role of the postsynaptic neurons.
This seemingly impossible task led most previous studies to examine randomly selected neurons or focus on a specific type of cell.
Since the Nazis destroyed most written records and so few Reinhard prisoners survived, previous studies of the sites have leaned heavily on the firsthand testimony of just a handful of prisoners and perpetrators — which, while important, conveys only certain aspects of what happened at the camps.
«Most previous studies have focused on using one technique at a time, even though we have evidence that there are alterations in the brain in autism in terms of structure, white - matter connectivity, and brain chemical concentrations.
«Compared with several other strains that have been studied, the strain that is least sensitive to the most endocrine - disrupting chemicals has been identified, and the EPA is planning to use it in the screening assays,» says Spearow, now a staff toxicologist for the California EPA; he emphasizes that this is his personal opinion, based on previous work conducted at Davis.
«Most of the previous research of the past climate in this region is based on detailed studies of specific sites,» said the lead author Jessica Oster, assistant professor of earth and environmental sciences at Vanderbilt University.
Most previous studies of apocalyptic astronomical events — like asteroid impacts, neighboring stars going supernova or insanely energetic explosions called gamma - ray bursts — focused on their threat to humankind.
Most of these previous studies of posture, however, focused on standing positions rather than different sitting postures.
Most previous studies have focused on the production of NOx in the immediate vicinity of storms.
Previous studies on A. afarensis, including the famed Lucy, the most complete example of the species ever found, concluded that the male - to - female size ratio was about 15 percent — on a par with that of humans.
The study suggests realistic contagions could be far more complex than the picture captured in most previous work based on single infection.
Previous studies have been done on purposefulness and its role on health and self - esteem, but most have looked at it as a buffer against negative or stressful events.
Previous studies have reported a link between sitting time and the risk of heart disease and death, but this is the first to focus on television watching, which is one of the most common leisure activities.
Randomized clinical trials and epidemiologic studies have shown that individuals who consume higher amounts of added sugar, especially sugar - sweetened beverages, tend to gain more weight7 and have a higher risk of obesity,2,8 - 13 type 2 diabetes mellitus,8,14 - 17 dyslipidemias, 18,19 hypertension, 20,21 and cardiovascular disease (CVD).14, 22 Most previous studies have focused on sugar - sweetened beverages but not total added sugar, and none of these studies has used nationally representative samples to examine the relationship between added sugar intake and CVD mortality.
(Most previous studies have lumped together all time spent on social media.)
While some previous research on speed dating has found that physical attractiveness is the most powerful force determining whether two people are initially attracted to each other, the Stanford study proves there's more going on.
Finally, most of the previous reviews of the evidence on school choice have generated more fog than light, mainly because they have been arbitrary or incomplete in their selection of studies to review.
Quality Preschool Benefits Poor and Affluent Kids, Study Finds NBC News, March 28, 2013 «While most previous studies had focused only on kids from underprivileged backgrounds, in the new study Harvard researchers found that regardless of family income children who got a year of quality prekindergarten did better in reading and math than kids who spent the year in daycare, with relatives, or in some other kind of preschool, according to the report which was published in Child Development.&rStudy Finds NBC News, March 28, 2013 «While most previous studies had focused only on kids from underprivileged backgrounds, in the new study Harvard researchers found that regardless of family income children who got a year of quality prekindergarten did better in reading and math than kids who spent the year in daycare, with relatives, or in some other kind of preschool, according to the report which was published in Child Development.&rstudy Harvard researchers found that regardless of family income children who got a year of quality prekindergarten did better in reading and math than kids who spent the year in daycare, with relatives, or in some other kind of preschool, according to the report which was published in Child Development.»
This echoed findings from a previous study that analyzed information search patterns on the District's first public school information site and revealed that parents were most interested in demographic characteristics of the student population, followed by location, and, only then, academic performance (Schneider & Buckley, 2002).
• U.S. 4th graders topped 22 participating jurisdictions, and were outscored by just 10 of them, on the most recent Progress in International Reading Literacy Study, or PIRLS, though American students» literacy marks stagnated from the previous exam.
Previous studies (Diffily, 1994; Shepard & Bliem, 1995) show that parents who were raised on standardized tests and conventional report cards feel most comfortable with these methodologies.
This instrument has been used in several published studies to gauge the content of teachers» instruction (examples here and here), but most previous studies have used SEC data from only semester - end or year - end surveys (for more on the history of the SEC, see here).
Because the most bacteria isolated in the present study were more susceptible to tylosin, gentamicin and oxytetracycline than the other antibiotics, before obtaining microbial susceptibility results, these antimicrobial drugs are recommended, although the choice of antimicrobial therapy before obtaining microbial susceptibility results is made on the basis of clinical signs, gram stains, and a history of previous antimicrobial treatment and the response to therapy (Gerding et al., 1988).
Their most recent study, published in Schizophrenia Research, along with researcher Wendy Simmons, compared two previous studies that found a link between childhood cat ownership and the development of schizophrenia later in life with an unpublished survey on mental health from 1982, 10 years before any data on cat ownership and mental illness had been published.
Based on previous studies, he estimates there could be anywhere from 30 million to 80 million of those in the U.S., most of them out hunting.
However, the study is still worth examining — in large part because nothing in the study is consistent with what you would hear from most professional breeders, behaviorists, and previous studies on the topic.
«Most previous studies have focused on the loss of the West Antarctic ice sheet.
Most previous studies of the Arctic atmosphere focused on the monthly average climate and how it varied over the seasons.
The discussion of the previous thread brought up in several comments the observation that the Figure 9.20 of WG1 might most appropriately be considered a representation of likelihood functions that describe the results of various studies based directly or indirectly on empirical data.
Most previous studies have focused only on the sea - air flux of methane overlying seafloor seep sites.
The stud, published Monday in the journal Nature Climate Change analyzed the impact of climate change on birds and mammals using 130 previous studies, making it the most comprehensive analysis of the current effects of climate change on animals.
Most previous studies mainly focused on how moisture in soil responds to amounts of precipitation, but are we missing an important factor that can explain soil moisture variations in general?
«Most of the previous research of the past climate in this region is based on detailed studies of specific sites,» says lead study author Jessica Oster, a Vanderbilt professor of environmental and earth sciences.
While most previous studies concerning these factors examined married couples only, the present study focused mainly on those in dating relationships, thus egalitarianism as a predictor means much more than the sharing of housework.
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