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Methodological Issues

Published in Oxford University Press eBooks • Dec 6, 2012
Authors:
K. Warner Schaie

Abstract

This chapter summarizes the methodological issues that have informed the Seattle Longitudinal Study (SLS), first launched in 1956 to investigate various aspects of intellectual development from early adulthood to old age in a random sample of 500 individuals aged 25–95 years. It first considers the ...

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