Sentences with phrase «first tested the hypothesis»

We first tested the hypothesis that - adaptation increases along the auditory pathway.
We first tested the hypothesis that the prevalence of physical aggressive behaviors would be markedly higher in adolescents who were depressed compared to those who were not.

Not exact matches

Entrepreneurs first map their assumptions and then test these hypotheses with customers out in the field (customer development) and use an iterative and incremental development methodology (agile development) to build the product.
This is because you can never test every possible universal permutation of the theory / hypothesis, and because none of us were there 8 billion years ago when the Earth was first formed.
What I would look for first, to test the hypothesis of intersensory prehension, is straightforward, reliable evidence of a vague awareness of presences (a feeling of feelings in the environment) in the absence of normal sensory input.
Scientific method, as taught in the UK, means that we first propose a hypothesis, then find ways of testing it, then try it out sufficient times to demonstrate what we need to know.
For the first time, domestication researchers had a hypothesis about the link between tameness and physical traits that could really be put to the scientific test.
«We wanted to test the hypothesis that both the extent of the liver resection and the location or type of colorectal resection influence the overall risk and patient outcomes associated with these operations,» says the article's first author, Christopher Shubert, M.D., who is also a surgeon and Kern Scholar at Mayo Clinic.
Paul Cox, an ethnobotanist and director of the National Tropical Botanical Garden in Hawaii, calls the team's work fascinating and says that although healers from indigenous tribes have long valued young leaves for their superior medicinal qualities, the team's work is «the first to test this hypothesis in a rigorous fashion.»
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.
«But we now have rational, scientific hypotheses to test to improve upon clinical results observed with our first group of patients.»
First author Professor Martin Hrabe de Angelis, Director of Institute of Experimental Genetics at the Helmholtz Zentrum München, who invented the mouse clinic concept, said: «Our findings with regard to the genes examined are now available to the scientific community as a valid data set, which can be downloaded free of charge from the IMPC (International Mouse Phenotyping Consortium) website, and form an excellent basis on which we and other research groups can develop and test new hypotheses
Thus, the first step that NuSI - funded researchers will take is to test the competing hypotheses on weight loss, which can happen relatively quickly.
To test this hypothesis, Shadmehr and his team first designed an experiment to measure how much force a patient's brain was willing to «assign» to each arm.
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.
Brewbaker used data from 1,908 species in one of the first large - scale tests of an evolutionary developmental hypothesis.
To test the hypothesis, Frankland and his team first compared the stability of memories in adult mice versus 17 - day - old mice, which are equivalent to human babies less than a year old.
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.
The RARDE, which had not accepted May's invitation to be legally represented at the first stage of the inquiry, objected that the original tests by Burns, which had ruled out the kneading hypothesis, might themselves have involved an element of involuntary contamination and therefore been unreliable.
In order to test their hypothesis, the scientists first developed a small wind tunnel which they used to determine the energy loss of moths during the flight.
A new study by JCU PhD student Anna Pintor, published in the journal Ecological Monographs, is one of the first to test the Climatic Variability Hypothesis (CVH)-- which proposes that animals living in environmentally variable areas should be able to tolerate more environmental fluctuations as a result.
And while numerous previous studies of the phenomenon focused on a single hypothesis, the Larison - led study was the first to fully test a large set of hypotheses against one another.
«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.»
Scientists put the Silurian hypothesis to the test, to see if humans were the first major civilization on Earth.
«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.
In the first part of our project, we will test the hypothesis that our imaging system, which combines PET and a new form of MRI that I invented called diffusion basis spectrum imaging (DBSI), can reliably detect and measure the severity of white matter damage and inflammation.
To begin to test this hypothesis, we first used primary cultures of the E14 rat ventral midbrain (VM), which are an experimental tractable model of mDA neurons that are widely used to study the molecular mechanisms regulating mDA neurite growth [18].
There is no evidence provided by the IPCC in its Fourth Assessment Report that the uncertainty can be formally resolved from first principles, statistical hypothesis testing or modeling exercises.
After adjustment for covariates, first trimester influenza vaccination was associated with an increased risk of ASD (AHR, 1.20 [95 % CI, 1.04 - 1.39], P =.01); however, adjusting for the multiplicity of hypotheses tested (n = 8) using the Bonferroni correction suggests that this association could be due to chance (P =.10).
Number two would be that our urine pH is an accurate indicator of our health, and by extension, we can use these urine test strips that proponents of the hypothesis recommend and determine, first of all, whether our blood is acidic by measuring our urine acidity, and second of all, by extension, we can use these urine test strips to determine our health.
Campbell writes on page 51 of The China Study that he first investigated the effect of dietary casein on drug - metabolizing enzymes in order to test the hypothesis that low - protein diets might protect against cancer:
To try to examine the first issue, we can consider the multiple studies comparing low - carbohydrate with high - carbohydrate diets to test the hypothesis that «carbohydrate loading» can enhance physical performance.
This study evaluated a new set of cardiac patients for the primary outcome of diabetes, which was not significantly associated with fasting (after multiple - comparisons correction) in the first study (37) and, thus, required additional evaluation as the primary hypothesis test (38).
I first report my findings using a measure of each student's popularity within his or her own ethnic group, as that is the most direct test of the acting - white hypothesis.
In the first part of this two - part seminar, participants will observe how other schools have identified learning goals, established hypotheses, gathered data, tested their hypotheses, and drawn conclusions to improve teaching and learning.
The neuropsychiatrist John C. Lilly created the first flotation tank in 1954 to test the hypothesis that the brain could not only function without external stimuli but would also enter a relaxed state conducive to meditation and enhanced creativity.
First, he says it's so obvious that C02 warms the earth that it's pointless to test an hypothesis of no warming.
It seems to me that the world wide recession if the first «experiment» that can test the opposing hypotheses.
Tom make that possible, the person advancing the hypothesis first fully explains it, then describes how it was tested (the «mehtodology»), the observed data and the results.
In order to conduct a proper scientific investigation, scientists must first formulate a falsifiable hypothesis to test.
There is no evidence provided by the IPCC in its Fourth Assessment Report that the uncertainty can be formally resolved from first principles, statistical hypothesis testing or modeling exercises.
Seems to me that your argument can be summarised as saying that a complex hypothesis rests on a certain set of assumptions... and that those assumptions should be tested first.
Dear Nir Shaviv, I would be glad to receive your comment about the recent paper from Andrew C. Overholt et al 2009 ApJ 705 L101 - L103 doi: 10.1088 / 0004 - 637X / 705 / 2 / L101 TESTING THE LINK BETWEEN TERRESTRIAL CLIMATE CHANGE AND GALA Does it mean - the spiral arm mechanism you suggest does nt fit - can some other mechanism explain your measurements and hypothesis - does this have an impact on the cosmic ray climate theory or not If we talk about the paradox of the faint young sun, imho its still an issue that any mechanism solving the problem of the major ice ages occuring each 140 million years in the last billion, does nt work for the first 3 billion years.
I'd say the thing to do now is to test your hypothesisfirst with climate models, as Judith has suggested, and (more importantly) with empirical data that either falsify or validate it.
To enter the competition, the group submitted a Powerpoint presentation with voice - over detailing the evolution of their business model since the idea for Smarty Pants first came up in February 2012, including their hypotheses and assumptions and how they were tested, as well as how the product developed as a result of what they found.
The results from tests of our first hypothesis differ from other studies in which time - series analyses were used to explore the relationship between the secondary sex ratio (SSR) and fluctuations in mean annual ambient temperature.
The correct application of statistics to the GCMs in AR5 SHOULD have been to first, apply hypothesis testing to each GCM in the ensemble, one at a time, in several dimensions and not just the GAST anomaly.
of weather / climate what Ghil reminds as the necessary use of «the ergodic theory of non linear systems», is the single most important part of testing this hypothesis as I have been saying on this blog since the very first post.
One postulates various hypotheses that are initially consistent with or could explain the data one has, and then finds out how to test and eliminate, often with new data or techniques that arise due to the inability to eliminate some of the hypotheses in the first place.
And, like the iPhone's development cycle, all of this stemmed from peeling back layer after layer, testing hypothesis after hypothesis, trying first one approach and then another.
a b c d e f g h i j k l m n o p q r s t u v w x y z