General and specific speed mediation of adult age differences in memory
General and specific speed mediation of adult age differences in memory
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DOI：
10.1093/geronb/51b.1.p30
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发表时间：
1996-01-01
影响因子：
6.2
通讯作者：
Salthouse, TA
中科院分区：
文献类型：
--
作者：
Salthouse, TA
在某些表现速度的测量中与年龄相关的差异可能不独立于在其他表现速度的测量中与年龄相关的差异的建议一直与相当大的争议有关。由于收敛的证据往往可以解决这种类型的争议，相关性为基础的程序提出区分一般（或共同）和特定（或独特）的年龄相关的影响措施的加速性能。三项早期研究和一项新研究的结果表明，在广泛的速度测量中，与年龄相关的方差有很大比例是共享的，并且不明显。此外，共同的或一般的速度因素似乎在调解与年龄有关的记忆差异中发挥重要作用。
The proposal that age-related differences in some measures of speed of performance may not be independent of the age-related differences in other measures of speed of performance has been associated with considerable controversy. Because converging evidence can often resolve this type of controversy, correlation-based procedures are proposed to distinguish general (or common) and specific (or unique) age-related influences on measures of speeded performance. Results from three earlier studies and from a new study suggest that a large proportion of the age-related variance in a wide range of speed measures is shared and is not distinct. Furthermore, the common or general speed factor appears to play an important role in the mediation of age-related differences in memory.