The study sample is drawn from all phone numbers--listed and unlisted--in the United States to ensure maximum diversity.
Others say the study sample sizes -- about 100 kids in each case -- may be too small to support sweeping conclusions.
Using the class of 2009 as the study sample, the report found that women working full time earn an average of 82% of what their male peers earn.
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Second, a similar assessment should be done using U.S. federal legal cases (this study looks only at cases from courts in the the 50 states) as the study sample, using either the Google Scholar small sample of Appellate Court cases, or a larger one including a broader set of Trial Court cases that did not reach Appellate Courts.
While this is an early study with a small sample size, it is the first time this type of anger or emotional stress testing has been shown to correlate with future arrhythmias, he said.
There has been only one study using a large randomized sample, objective measures of well-being, and reports of grown children rather than their parents.
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For one thing, the sample size of this study is extremely small: one school.
One limitation that the study noted was that the research sample consisted only of intelligent individuals, initially raised in California, whose working careers peaked a half century ago.
Lesley Walker, of Cancer Research UK, said the study was based on a relatively small sample.
And at the conference, the undergrad researcher, Katie Kirsch, noted the small sample size and suggested further study.
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The probe will arrive at the asteroid in 2018, study it, then bring back the sample in 2023.
In forecasts extending beyond the sample period used in the study, a stern test of any model, Mr Oswald's approach easily outperforms its rivals, including consensus predictions of commercial forecasters.
The prominent National Longitudinal Lesbian Family Study, for instance, relied on a sample recruited entirely at lesbian events, in women's bookstores and through lesbian newspapers.
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The pilot study uses the seven leading technology brands as the sample field.
The Corporate Executive Board undertook a substantial study on how people make decisions using a whopping sample of 7, 000 consumers and corporate buyers.
So Bruce Dohrenwend, the researcher in New York, went and found what he called a gold mine of data, actual combat records that allowed him to verify the claims of a sample of 260 veterans in the original study.
The new results are the first from an ongoing study intended to assess mental health in a representative population sample, balanced for demographics and including people who returned home and those who remain dispersed around the country.
GfK used its KnowledgePanel sample, which first chose participants for the nationwide study using randomly generated telephone numbers and home addresses.
In the study, the authors used Hirisplex to predict hair colour phenotypes in a sample drawn from three European populations.
Overall, nearly 700 people, or 13.2 percent of the sample, had noise-induced hearing loss in Djalilian's study.
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This is one study of one snow monkey troop in the 1950s, admittedly not a big sample size.
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For clarification the study, per the statement quoted below in the last paragraph, was limited to a sample of individuals referred into comprehensive community mental services and not indicative of the general population of people on the spectrum.
To be included, a study had to compare organic and conventional planting across similarly-sized areas, had to report on the sample size and error margins, and had to use organic methods that complied with the guidelines of certification organisations (such as the UK's Soil Association).
But the researchers conceded that their sample size, 302 volunteers, may have been too small to detect modest differences and concluded that more study was needed.
But the new observational study (Abuse Rates and Routes of Administration of Reformulated Extended-Release Oxycodone: Initial Findings From a Sentinel Surveillance Sample of Individuals Assessed for Substance Abuse Treatment), suggests a breakthrough.
In a 2009 study in the Journal of Personality and Social Psychology, David Lubinski and his team at Vanderbilt found that in a sample of academically gifted young adults, women became less career-oriented than men over time.
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