Sentences with phrase «test study hypotheses»

In a research setting, investigators have the luxury of selecting participants on the basis of specified inclusion / exclusion criteria, designed to test study hypotheses.
Analyses of covariance were used to test the study hypotheses.
The cultural worldview scales are continuous, and should be used as continuous variables when testing study hypotheses, both to maximize statistical power and to avoid spurious findings of differences that can occur when one arbitrarily divides a larger data set into smaller parts in relation to a continuous variable.
Bivariate and multivariate analyses tested the study hypotheses.
Latent growth curve modelling was used to test the study hypothesis.

Not exact matches

It does this, not by guess work, and certainly not by indulging personal preference or caprice, but by employing scientific methods of observation, analysis, hypothesis and verification, which are well tested in other fields of study.
To test our hypothesis that studies with food industry sponsorship would be more likely to have favorable conclusions than those without industry sponsorship, we conducted a meta - analysis using Review Manager 5.3 software (Cochrane Collaboration).
Two weeks before the Systematic Review was published, the Lucas study — which aimed to test a hypothesis that «duration of breast feeding is related to changes in vascular function relevant to the development of cardiovascular disease» — was published in the BMJ alongside 2 press releases and a leader article.
The prospective design of the IFPS II, the large sample size, as well as the extensive information on infant and maternal dietary practices make it useful for studying exclusive breastfeeding practices and testing hypotheses in a prospective manner [27].
The examiners were not aware of information concerning infant feeding, nor of the hypotheses tested in the present study.
Studies designated to test this hypothesis were conducted without reaching conclusive results.
We test these hypotheses using a variety of methods including case studies, interviews, surveys, statistical analyses of data, etc..
«This study has greatly helped us understand how the Ebola virus replicates and should at least allow us to test some new drug leads and hypothesis,» he said.
Until Mallon's study, neither of these hypotheses had been rigorously tested with such a large sample size.
To accurately test the hypothesis of a lower risk of recurrence with HRT, a new study led by investigators at Brigham and Women's Hospital published in European Urology Focus, performed a systematic review and meta - analysis, pooling available data, to assess whether an improved risk of recurrence could be demonstrated using HRT compared with CRT, in addition to assessing the relative impact of these two treatments on bladder and rectal function.
To test their hypothesis, the researchers studied images of women of different ethnicities, including Chinese Asian women, Latin American women, South African women and French Caucasian women.
For the new study, published January 15 in Nature, Portugal and his colleagues wanted to put the aerodynamics hypothesis to the test.
Study co-author and current Managing Director of the Max Planck Institute for the Science of Human History Professor Russell Gray states, «This study shows the power of computational phylogenetic methods to test causal hypotheses about human history.&rStudy co-author and current Managing Director of the Max Planck Institute for the Science of Human History Professor Russell Gray states, «This study shows the power of computational phylogenetic methods to test causal hypotheses about human history.&rstudy shows the power of computational phylogenetic methods to test causal hypotheses about human history.»
In the study conducted as part of the dissertation of Doctoral Candidate Simon Chapman from the University of Turku, a hypothesis was tested according to which the genetic inheritance of grandmothers» X-chromosome affects the level of help they provide to their grandchildren.
Michael Rose would like to test his hypothesis about ageing and diet by studying people in Papua New Guinea (6...
Michael Rose would like to test his hypothesis about ageing and diet by studying people in Papua New Guinea (6 August, p 42).
«We now need to test this hypothesis in other species and in the same studied species too but in wider depth ranges and in other Antarctic areas because the minimum pH value can vary in depth depending on the area they are.
And Chambers encourages young scientists to try the new publication model «for studies where you want to test a clear hypothesis and are concerned that a negative result could be hard to publish.
The study rigorously tested the hypothesis that statin drugs may be beneficial to persons with COPD because of the drugs» purported anti-inflammatory effect.
EaSeq offers a far more visual and intuitive alternative, which makes it possible for biomedical researchers to study and test hypotheses using their own data.
The new study, published in March in Cell Stem Cell, tested this hypothesis.
To test the hypothesis that the web is a primary driver of rising polarization, Shapiro and his coauthors used data from the American National Election Study (ANES), a nationally representative, face - to - face survey of the voting - age population that has been conducted both pre - and post-election since 1948.
The new study is the first demonstration of an approach combining ancestral sequence reconstruction with the making of transgenic organisms to directly test hypotheses at multiple biological levels, Siddiq said.
«This paper takes advantage of modern molecular biology and genetic approaches to test some of those hypotheses,» said University of Nebraska - Lincoln biologist Kristi L. Montooth, a fruit fly expert who co-authored the new study.
In our study we aimed to test this hypothesis
Next, the scientists tested their hypothesis in the widely studied worm Caenorhabditis elegans, and found that a strain genetically engineered to produce excess amyloid in their guts survived up to 3 days longer after an exposure to Salmonella and yeast than typical worms.
Although we are testing the hypothesis that normalization is weak in autism by studying vision, normalization occurs in many brain regions.
That is among the conclusions in a new study testing the importance of «first arrival» in controlling adaptive radiation of species, a hypothesis famously proposed for «Darwin's Finches,» birds from the Galapagos Islands that were first brought to scientific attention by Darwin.
«It may be, though, that long - term exposure to air pollution makes people more susceptible to ALRI on a routine basis, although additional studies will be required to test this hypothesis
Ultimately, this is a classic case study of the scientific method: examining alternative hypotheses, finding ways to test them, and ruling them out one - by - one.
In the 2015 study, the researchers tested several alternative hypotheses to explain why some disciplines have so few practitioners who are female or African - American.
«With this study we were able to test all these different hypotheses at once.
A new tool in development by computational biologists at Baylor College of Medicine and analytics experts at IBM research and tested as a «proof - of - principle» may one day help researchers mine all public medical literature and formulate hypotheses that promise the greatest reward when pursuing new scientific studies.
But that is a hypothesis the new study could not test, because the researchers did not have information about the sex of the women's offspring.
Jim and I plan to test this hypothesis by studying the mathematical properties that emerge during computer simulations of the neurology of olfaction.
To test this hypothesis, a team led by first author Mei Tran, a senior scientist in the Parikh laboratory, began conducting studies of mitochondrial metabolism using microscopy, biochemistry and bioinformatics tools.
Ecologists are testing more and more hypotheses, but their studies are explaining less of the world.
Golden, a professor of mathematics at the University of Utah, studies the dynamics of sea ice, and he regularly goes out into the field to test his hypotheses.
Christensen and colleagues sought to test the hypothesis that increased screen - time may be associated with poor sleep by analyzing data from 653 adult individuals across the United States participating in the Health eHeart Study.
They were able to use the data gathered to test previous hypotheses drawn from archaeological and historical data, and from studies of modern DNA.
Lindenberg and his coworkers tested the hypothesis in 2008 with a study in Dutch urban settings; their findings suggested that surroundings do have an influence on people's readiness to act unlawfully or antisocially.
THE MOTIVE In a study of more than 900 years of conflict in eastern China, a team of researchers has tested the hypothesis that cold spells fuel the social instability that leads to war.
To test his hypothesis that the brain uses a visual grammar to make sense of comics, he designed a series of experiments that updated some classic language studies.
Di Monte and co-workers tested this hypothesis in a laboratory study.
Although the «multiple - hit» hypothesis has been prominent in the literature for some time, it is difficult to test the idea with human epidemiology studies, he says.
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