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Developmental Influences on Adult IntelligenceThe Seattle longitudinal study$
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K. Warner Schaie

Print publication date: 2005

Print ISBN-13: 9780195156737

Published to Oxford Scholarship Online: September 2007

DOI: 10.1093/acprof:oso/9780195156737.001.0001

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Lifestyle Variables That Affect Intellectual Functioning

Lifestyle Variables That Affect Intellectual Functioning

(p.269) chapter eleven Lifestyle Variables That Affect Intellectual Functioning
Developmental Influences on Adult Intelligence

K. Warner Schaie

Oxford University Press

The Life Complexity Inventory (LCI) has been used since 1974 to characterize the microenvironment of participants in the Seattle Longitudinal Study. Early analyses of this instrument identified eight lifestyle factors that were related to measures of intellectual abilities. Low-to-modest positive correlations were found between amount of leisure activity and levels of cognitive functioning. Positive lifestyle characteristics were also correlated with high levels of cognitive functioning, with the dimensions of prestige, social status, and work characteristics showing the highest correlations. This chapter discusses lifestyle variables that affect intellectual functioning. Family similarity in lifestyles was examined for parent-offspring and sibling dyads, along with the effects of work characteristics and retirement on cognitive functions.

Keywords:   lifestyles, intellectual functioning, Seattle Longitudinal Study, intellectual development, intellectual abilities, cognitive functions, Life Complexity Inventory

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