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Journal Impact Factor (JIF) has been used in assessing scientific journals. Other indices, h- and g-indices and Article Influence Score (AIS), have been developed to overcome some limitations of JIF. The aims of this study were, first, to critically assess the use of JIF and other parameters related to medical education research, and second, to discuss the(More)
Preface The world is in the midst of a great demographic transition. The world population nearly quadrupled during the 20th century and is projected to grow by roughly 50 percent before stabilizing during the late 21st century. That transition is expected to leave the population much larger and, on average, older than it was previously—developments that(More)
Notes Unless otherwise indicated, all years referred to in the study are federal fiscal years (which run from October 1 to September 30), and all costs are expressed in 2006 dollars. Numbers in the text and tables may not add up to totals because of rounding. Preface The Army is attempting to transform itself from a force designed primarily to fight large(More)
Note The photograph on the front cover was provided courtesy of the Department of Veterans Affairs. Preface Wi th the return of veterans having served in the conflicts in Iraq and Afghanistan and with a much larger number of veterans from earlier eras turning to the Department of Veterans Affairs (VA) for at least a portion of their health care, the(More)
The commercial use of information on the Internet has produced substantial benefits for consumers. 1 But, as the use of information online has increased, so have concerns about privacy. This paper discusses how the use of individuals' information for commercial purposes affects consumers, and the implications of restricting information availability in the(More)
Executive Summary Most economists believe that admitting more highly skilled workers from other countries is beneficial to the U.S. economy. This is particularly true of workers in the fields of science, technology, engineering, and mathematics (STEM). Immigration also has positive effects on the federal budget. Highly skilled workers pay more in taxes than(More)