Sentences with phrase «sample entire populations»

Rather than tracking a small group of individual animals, the team employed dozens of eyes in the wild (that is, non-invasive camera traps) to sample entire populations.

Not exact matches

In this case, the poll is accurate to within ± 3 percentage points, for each of the retired and not retired samples, of what the results would have been had the entire population of adults in Canada been polled.
The consumer metrics that panel companies provide are based on statistically - derived estimates that are derived from a representative sample of consumers; in this instance, the behaviors of the sample are weighted and extrapolated to represent the entire internet browser population.
It now forms a special interest group of the British Ecological Society, and although its numbers fluctuate, the population sample size has been fairly stable over its entire history.
With the samples in hand, the researchers analysed the DNA from some 2400 individuals from more than 100 modern populations for a panel of 1327 «markers» — known sites of genetic variation — across the entire genome.
A research team from Uppsala University has sequenced the entire genomes of a sample of Cape bees and compared them with other populations of honeybees to find out the genetic mechanisms behind their asexual reproduction.
A research team led by Mathew Webster at Uppsala University / SciLifeLab has sequenced the entire genomes of a sample of Cape bees and compared them with other populations of honeybees to find out the genetic mechanisms -LSB-...]
If this sample of galaxies is representative of the entire population at this early time, then the majority of new stars formed in these small galaxies.
A research team led by Mathew Webster at Uppsala University / SciLifeLab has sequenced the entire genomes of a sample of Cape bees and compared them with other populations of honeybees to find out the genetic mechanisms behind their asexual reproduction.
Angola and South African Giraffes can be uniquely identified by their maternal gene profile For the study, the researchers created a profile of the subspecies» mitochondrial DNA, using tissue samples from about 160 giraffes from various populations across the entire African continent.
The simulation spans a period of 12 months and assumes that the fund had 30 investors; in this case, the sample size is the entire population.
A random sample of 30 people from a population of millions will give very accurate results per the entire population, let alone 100.
«It is hard to generalise the findings to the entire canine population due to the small sample size.
Unlike the previous studies consisting mostly of clinical samples with more severe cases [25], [26], [40], our population sample covered the entire phenotypic range and included also milder cases in all breeds.
Confidence intervals require random samples from the entire population, which in this case is the whole earth.
The AAAS has over 10 million members, and the results of the survey are statistically valid for the entire population with a theoretical sampling error of + / - 2.5 %.
So I had to make sure the distribution of ages in my sample matched the distribution of ages in the entire USA population.
A «US representative sample» is a small group (e.g., a few hundred people) whose demographics are selected so that they represent the entire USA population.
Generally, the results of the analysis that results in the exclusion of individual proxies, or entire aggregates of a sampling of the relevant population are rarely included in published research, nor are the results of the analysis provided for data sets that include the (would be) excluded data, even though this are routinely calculated when performing exploratory data analysis.
Therefore, the sample may not be statistically representative of the entire population of Ontario lawyers, although demographic and practice setting distributions appear consistent with that of the larger population of Ontario lawyers.»
With a sample of this size, the results are considered accurate within ± 3.1 percentage points, 19 times out of 20, of what they would have been had the entire population of adults in the U.S. been polled.
In a previous validation study of the SDQ [43] data were obtained from 263 randomly selected parents of children 5 — 15 years old in the general population, but the authors did not present the norms in detail besides a figure presenting mean value of the Total Difficulties score of SDQ and subscales for the entire sample.
Some of these findings have been replicated across dozens of samples in very large international studies, in representative samples of entire national populations, and in large scale meta - analyses, such as the robust sex differences reliably - observed in studies of extramarital sexual behavior and permissive attitudes toward casual sex (Lippa, 2009; Petersen & Hyde, 2010).
This study, from a sample of ∼ 22 000 children and their mothers and fathers representative of the entire US population, demonstrates that living with fathers with depressive symptoms and other mental health problems is independently associated with increased rates of emotional or behavioral problems among school - aged children and adolescents.
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