Sentences with phrase «few previous studies»

Only a few previous studies (besides those mentioned earlier) have examined whether the relationship between the structure of the self - concept and psychological well - being was conditional on other variables.

In one of the few previous studies, Biblarz and Raftery (1999) show that the association between childhood family structure and socioeconomic success had not changed during a period of 30 years, from the 1960s to the 1990s.

With such high demands on data, only few previous studies were able to deal with the two questions raised here, and in particular to cover such a long period as we do here.

Few previous studies have focused on designing new comprehensive models for WCC.

«It's impressive that cats can take them down,» McRuer said of the kestrel, adding that few previous studies have documented the number of species affected by cat predation.

Due to the lack of evidence about the appropriate dosage of probiotics for AD, we used the above - mentioned doses based on few previous studies in healthy subjects (Benton et al., 2007; Mohammadi et al., 2015).

«Only a few previous studies have reported that autophagy is important for beta cell function and survival,» said Safia Costes, a research scientist at the Hillblom Center and the study's co-first author.

Although a few previous studies have found associations between infant feeding and intestinal microbiome composition,9 - 12, 14 to our knowledge, none has examined the relative contribution of combination feeding (breast milk and formula) alongside exclusive formula or breastfeeding to overall microbial community composition.

Not exact matches

Previous studies have controlled for the fact that lesbians are better educated, more likely to be white, have fewer children and live in cities, but a 6 % wage premium still exists.

In this case, the British Medical Journal study is a so - called meta - analysis of seven previous studies, found that those who eat a lot of chocolate have significantly fewer heart and cardiovascular problems than those who do not.

About the conversation with TC Campbell, in his China Study audio version, he mentions that he doesn't eat animal based protein, but this only happen a few years previous to the publication of the book.

While studying this game in addition to previous Super Bowl data, a few interesting trends have emerged.

There has been concern raised about a resurgence of vitamin D deficiency and rickets among infants and children, with reports emerging in the United States from Alaska, 1,2 Iowa, 3 Nevada, 4 California, 5 North Carolina, 6 Texas, 7 and mother - infant pairs in Boston, 8 among others.9 The prevalence of vitamin D deficiency in young children also appears to be high in other countries, including England, 10 Greece, 11 and Canada.12, 13 One study from China found a 65.3 % prevalence of vitamin D deficiency among 12 - to 24 - month - olds, but few cases (3.7 %) of radiographic or clinical rickets were noted.14 Previous studies suggest risk factors to be dark skin pigmentation1,3 - 12 and breastfeeding without supplementation.1 - 7, 9,12,13 To date, reports have focused primarily on young infants compared with toddlers.

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.

She explains that the raccoons had fewer opportunities to interact with the puzzle than did many of the birds that were tested in previous studies.

Previous studies have suggested that various forms of meditation can improve attention and reduce stress, but there have been few randomised controlled trials — the best way of testing a treatment's effectiveness.

«Interestingly, previous studies have shown megakaryocytes and platelets in people with essential thrombocythemia have fewer Mpl receptors, which fits our model for excessive platelet production.

By the age of twelve, around one in four (24.4 %) of children in the study reported having suffered from nightmares in the previous six months, with fewer than one in ten (9.3 %) experiencing episodes of night terrors during the same period.

Previous studies have reported a bewildering range of transition times, from a few thousand to nearly 30,000 years.

The U.S. Food and Drug Administration has approved few of these medications for the preschool age group, yet previous studies documented two to threefold increases in psychotropic prescriptions for preschool children between 1991 and 2001.

The pluripotent stem cell - derived muscle fibers develop reservoirs of «satellite - like cells» that are necessary for normal adult muscles to repair damage, while the muscle from the previous study had much fewer of these cells.

Previous studies comparing proteins in related species have shown very few mutations, so PTMs have not been considered to be a major factor in generating diversity.

Three months after the emergency department visit, regardless of study group, opioid use for LBP was uncommon, with fewer than 3 percent of patients reporting use of an opioid within the previous 72 hours.

In previous studies, Camarillo's lab had outfitted 31 college football players with special mouthguards that recorded how players» heads moved after an impact, including a few cases in which players suffered concussions.

By using their more powerful statistical approach, the researchers found clusters of mechanistically related genes where previous studies had merely suggested a few isolated SNPs.

In contrast to previous studies of access to care in Massachusetts that have relied on patient surveys, which the authors say may be subject to potential biases due to patient recall or other factors, the new study is one of the few to rely on objectively measured outcomes and was based on nearly every hospital admission occurring in Massachusetts and the comparison states for nearly two years before and two years after the reform was implemented.

Dr Barua went on to say: «In this study of men, without previous history MI or stroke, with low testosterone levels, normalization of testosterone levels using TRT is associated with lower mortality, fewer MIs, and strokes.

Previous studies have shown that pollination by bees yields firmer melons and cucumbers and higher sugar content in a few fruits.

«This previous study also found that there were relatively few risk factors that men could change in order to improve their fertility.

The findings might have departed from prior studies because of the difference in size and study design, he said, explaining that much of the previous work in this area has been conducted in groups of 100 or fewer and mostly involved student subjects.

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.

A previous study estimated that the R2 of most ecological research ranges was between 0.02 and 0.05, but few researchers will publish results with such small explanatory power.

In a previous study she showed that marine snow can reach depths of several hundred meters within a few days, which contradicted previous theories suggesting that it might dissipate and dissolve long before reaching the ocean floor.

Previous studies found that people with schizophrenia have fewer synapses in certain brain areas than people without the condition.

Previous laboratory findings as well as estimates of fitness based on genetic clustering of strains in the population suggested a lower relative fitness for MDRTB compared to drug - susceptible tuberculosis, but few studies have directly measured the incidence of second cases of tuberculosis among contacts of both MDRTB and drug - susceptible tuberculosis.

That's because previous studies had shown prolactin cues a few specialized birds and fish to produce regurgitated «crop» milk and milky secretions to feed their offspring.

Previous studies with just a few hundred families have reported linkages on chromosomes 2, 7, 16 and 17.

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.

SECOND OPINION While this study attempts to correct factors that muddied previous research, few experts think the question of cancer and emotion is closed.

Previous experimental studies have shown that a few minutes» worth of violent video game play can influence a person's levels of aggression and willingness to help others.

Although Tononi's volunteers got only a few minutes of artificial sleep — not enough for the volunteers to draw meaningful subjective conclusions about sleep quality — previous studies have indicated that TMS applied at certain frequencies during sleep can improve memory.

And based on previous studies showing that fewer than 20 norovirus particles are enough to make someone sick, the viral knife contamination could cause illness.

She noted that so far only few studies have explored IQ in ART children, and no previous studies have included ninth grade test scores in a complete national cohort of 15 -16-year-old adolescents all conceived by ART.

Researchers studying the difference in tool use between our closest living relatives, chimpanzees and bonobos, found that immature bonobos have low rates of object manipulation, in keeping with previous work showing bonobos use few tools and none in foraging.

«Previous studies at a few sites had shown that large trees suffer more than small trees during and after droughts, and our theory suggested this should be a globally consistent pattern, but this project was the first to test this hypothesis globally.»

«Previous studies at a few sites had shown that large trees suffer more than small trees during and after droughts, and our theory suggested this should be a globally consistent pattern, but this project was the first to test this hypothesis globally,» said Los Alamos National Laboratory's Nate McDowell, a renowned forest ecologist and plant physiologist who coauthored a paper in the journal Nature Plants highlighting this research.

April 4, 2016 Consumers reveal obstacles to using nursing home quality ratings A study of dozens of people who placed a relative or friend in a nursing home in the previous six months found that few people were aware of the Nursing Home Compare website, published online by the Centers for Medicare and Medicaid Services (CMS) to help families find the best and closest available care facility.

According to the study, the researchers» genetic analysis supports previous findings that people carrying autism genes tend to be intelligent, as well as findings about common traits between autism and high IQs — bigger brains that grow faster, better sensory and visual - spatial capabilities, and improved decision - making, to name a few.

The ITN will prioritize studies in a few selected autoimmune diseases, building on previous experience (e.g., systemic lupus erythematosus, ANCA - associated vasculitis, psoriasis, multiple sclerosis), prioritizing diseases with a relevant antigen (whether self or microbial in origin) that can be targeted and monitored (e.g., pemphigus, MS, ANCA - associated vasculitis), and / or diseases with accessible tissue (e.g., psoriasis, inflammatory bowel disease, pemphigus, scleroderma).

About the conversation with TC Campbell, in his China Study audio version, he mentions that he doesn't eat animal based protein, but this only happen a few years previous to the publication of the book.