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Normative Aging Study. The Normative Aging Study (NAS) is a longitudinal study which studies the effects of aging on various health issues. [1] The ongoing study was established in 1963 by the United States Department of Veterans Affairs. [2] The initial sample was 2,280 men now with an average age of 72 years (mean age at entry was 42 years).
The English Longitudinal Study of Ageing (ELSA) is a longitudinal study that collects multidisciplinary data from a representative sample of the English population aged 50 and older to look at all aspects of aging in England . The study started in 2002 and there are currently nine waves of completed data and a tenth wave is currently being ...
The activity theory of aging, also known as the implicit theory of aging, normal theory of aging, and lay theory of aging, proposes that aging occurs with more positive outcomes when adults stay active and maintain social interactions as they get older. [1] Activity theory suggests that the aging process is slowed or delayed, and quality of ...
Software aging. In software engineering, software aging is the tendency for software to fail or cause a system failure after running continuously for a certain time, or because of ongoing changes in systems surrounding the software. Software aging has several causes, including the inability of old software to adapt to changing needs or changing ...
Population ageing is an increasing median age in a population because of declining fertility rates and rising life expectancy. Most countries have rising life expectancy and an ageing population, trends that emerged first in developed countries but are now seen in virtually all developing countries. In most developed countries, the phenomenon ...
In computing, a legacy system is an old method, technology, computer system, or application program, "of, relating to, or being a previous or outdated computer system", [ 1 ] yet still in use. Often referencing a system as "legacy" means that it paved the way for the standards that would follow it. This can also imply that the system is out of ...
Factoring (finance) Factoring is a financial transaction and a type of debtor finance in which a business sells its accounts receivable (i.e., invoices) to a third party (called a factor) at a discount. [ 1 ][ 2 ][ 3 ] A business will sometimes factor its receivable assets to meet its present and immediate cash needs. [ 4 ][ 5 ] Forfaiting is a ...
The Administration on Aging (AoA) is an agency within the Administration for Community Living of the United States Department of Health and Human Services.AoA works to ensure that older Americans can stay independent in their communities, mostly by awarding grants to States, Native American tribal organizations, and local communities to support programs authorized by Congress in the Older ...