The primary goal of the study was to compare adult age groups on aging bias, with measures of knowledge of aging in the physical, psychological, and social domains and life satisfaction. The study sample, consisting of 752 men and women, 40 to 95 years of age, was tested using Neugarten, Havighurst, and Tobin's (1961) Life Satisfaction Index (LSI) and Palmore's Facts on Aging Quiz (1998) modified to extract bias toward older adults and categorized into 3 domains: physical, psychological, and social. Independent variables were 3 levels of LSI from the Neugarten et al. quiz. Aging bias was measured among the age groups, gender, life satisfaction, and knowledge of aging domains. Significant bias differences were found in age group, life satisfaction, and knowledge of aging domain variables. Financial, health, and volunteer status interacted with these effects. Among other significant findings, the data indicate that middle-aged adults 40-59 have the most negative bias in the psychological and social domains and the least negative bias in the physical domain compared to the older participants. Both middle aged and old-old adults have the most negative aging biases. These differential aging stereotypes (positive and negative) among the physical, psychological, and social perceptions of aging over adult age groups are interpreted within aging stereotyping and aging self-stereotyping.
Four hundred young-, middle-, and old-old adults responded to a battery of quizzes dealing with life satisfaction and objective aging knowledge in the physical, psychological, and social domains. Analyses incorporated domains of aging knowledge, life satisfaction, age, gender, and demographic variables. Both means difference and regression analyses were computed. Significant age group, gender, and life satisfaction differences were found for the three aging knowledge domains. For successive age groups, knowledge of aging decreased, with females knowing less than males. The greater knowledge of aging, the higher the life satisfaction. The demographic variables education, financial status, health, living arrangement, and volunteerism were significant covariates for knowledge of aging. Results from this study indicate that knowledge of aging in specific domains varies among older adult age groups and is associated with life satisfaction.
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