That is why the General Accounting Office has commissioned a large-scale study to answer the question.
Scientists involved in the small-scale study described the results as a stark warning to people considering smoking.
Mischel is also preparing a large-scale study involving hundreds of schoolchildren in Philadelphia, Seattle, and New York City to see if self-control skills can be taught.
DeCode's research has broad implications because this is one of the first drugs to emerge from the newfangled science of genomics, the large-scale study of disease-causing genes.
This was a small-scale study, but Prof Nicolson says the results are on a par with those achieved by the large-scale reading recovery scheme in the early 1990s.
The charity wants to use this large-scale study to create a benchmark for a "well-being index" - so that the impact of future changes in policy can be measured.
This theory was first aired a year ago following a small-scale study, and was ridiculed by the National Radiological Protection Board, the watchdog on health issues involving radiation and electromagnetic fields.
We present the results of the first large-scale study of the uniqueness of Web browsing histories, gathered from a total of 368, 284 Internet users who visited a history detection demonstration website.
It is also involved in the International HapMap Project, a five-country initiative launched in October, to follow up the Human Genome Project with a large-scale study of human genetic variation and its relation to disease.
This initiative comes almost two months after the Institute of Medicine (IOM) embarked on a large scale study of sports related concussions, especially those in younger people beginning in grade school through adolescence into early adulthood.
It will only be as a result of having a systematic large-scale study that we will be able to give accurate comments as to whether or not this does arise as a result of cloning or not.
Before the experiment in the hanger could begin, researchers calculated the pressures the house would experience in a small-scale study conducted at the University's Boundary Layer Wind Tunnel Laboratory -- which has over 40 years of expertise testing high-rise buildings and bridges.
The research is a good and descriptive small-scale study, said Jon Vernick, an associate professor and co-director of the Johns Hopkins Center for Gun Policy and Research, but it also is a good reminder that public health experts need to do more of this kind of research.
I'd get seven hours of shut-eye a night because a six-year, large-scale population study of sleep done at the University of California, San Diego School of Medicine associated it with the lowest death rate among adults.
Men and women infected with HIV reduced the risk of transmitting the virus to their sexual partners by taking oral antiretroviral medicines when their immune systems were relatively healthy, according to findings from a large-scale clinical study sponsored by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health.
FORBES: Could AIDS Disappear If Enough Patients Get Treated?
The trial will replicate, on a larger scale, a study carried out by Natural Justice, a British charity, and published in the British Journal of Psychiatry in 2002.
Some of it emerged from the first large-scale post-Burt study of separated identical twins, run by Thomas Bouchard, a professor at the University of Minnesota.
The rise in inequality is due partly to the concentration of immigrants at both ends of the economic scale, but the LSE study suggests that the arrival of lots of poor people has also depressed wages.
Variability increases as components shrink, said Professor Asenov, who has been using large scale simulations on grid computers to study how the behaviour of transistors changes as they get smaller.
The forum was organised in association with the OECD Centre for Educational Research and Innovation and focused on the findings and conclusions from an OECD study to map the scale and scope of OER initiatives in higher education.
Using a new scale to evaluate harms to individual users and others, alcohol received a score of 72 on a scale of 1 to 100, the study says.
Though the study was short and small-scale, the results say something about how the ways in which we choose to move our bodies affect our body chemistry, and possible long-term health.
FORBES: Hard And Fast Or Slow And Steady? Choice Of Exercise Matters To Health, Study Says
The way forward is to duplicate the Lancet study independently, and at a larger scale.
STM, a device that made it possible to image and study structures and processes on the atomic scale and in three dimensions (see article).
As a recent study confirms, on a much longer time scale, genes are even at the mercy of culture.
WSJ: Matt Ridley on Human Culture's Effect on Genes | Mind & Matter
Nanotechnology is the study and manipulation of matter at a very tiny scale, the nanometer scale.
The IEA is probably best known for its Third International Mathematics and Science Study (TIMSS), an international large-scale assessment of learning outcomes (ILSA) for primary school learners in science and mathematics, as well as for PIRLS (Progress in International Reading Literacy Study).
But the report says more study is needed, since no since no large-scale carbon-capture projects are running at this point.
In the study, researchers used a questionnaire, called the Carolinas Comfort Scale, to assess quality of life with such questions as whether patients feel a "sensation of mesh" after surgery or pain or movement limitations during daily activities.
More than half of the 262 high school seniors who participated in the study were "excessively sleepy, " according to a commonly used scale that gauges how likely a person is to doze off during everyday activities such as reading, watching TV, or sitting in a traffic jam.
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