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Randall, G. Kevin; Martin, Peter; Bishop, Alex J.; Johnson, Mary Ann; Poon, Leonard W. – International Journal of Aging and Human Development, 2012
This study examined the mediating and moderating role of social resources on the association between age and change in functional health for three age groups of older adults. Data were provided by those in their 60s, 80s, and 100s who participated in the first two phases of the Georgia Centenarian study. Analyses confirmed the study's hypothesis…
Descriptors: Health, Comparative Analysis, Role, Correlation
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Diehl, Manfred; Hay, Elizabeth L. – International Journal of Aging and Human Development, 2011
This study focused on the identification of conceptually meaningful groups of individuals based on their joint self-concept differentiation (SCD) and self-concept clarity (SCC) scores. Notably, we examined whether membership in different SCD-SCC groups differed by age and also was associated with differences in psychological well-being (PWB).…
Descriptors: Young Adults, Older Adults, Multivariate Analysis, Adolescents
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Boumans, Nicolle P. G.; de Jong, Ad H. J.; Janssen, Sara M. – International Journal of Aging and Human Development, 2011
This study investigated the influence of age on the relationship between work characteristics and workers' work motivation and job satisfaction. In total, 1036 workers of a Dutch division of a multinational organization participated. Data were collected by a digital questionnaire. Two interaction terms in the regression on work motivation were…
Descriptors: Employees, Job Satisfaction, Motivation, Correlation