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Lachman, Margie E.; Leff, Rona – Developmental Psychology, 1989
Examined the relation of control beliefs to individual differences in 63 elderly adults in 1981 and 1986. Over the 5 years, generalized control and intellectual performance did not change, but intellectual control beliefs did. (RJC)
Descriptors: Adult Development, Aging (Individuals), Individual Differences, Intellectual Development
Gillund, Gary; Perlmutter, Marion – 1984
Although research in episodic recall memory, comparing younger and older adults, favors the younger adults, findings in semantic memory research are less consistent. To examine age differences in semantic and episodic memory recall, 72 young adults (mean age, 20.8) and 72 older adults (mean age 71) completed three memory tests under varied…
Descriptors: Adult Development, Age Differences, Individual Differences, Language Patterns

Botwinick, Jack; And Others – Journal of Gerontology, 1975
Vocabulary test responses as traditionally scored were compared to these same responses when scored for finer nuances of understanding, as determined by the criterion of superior synonyms. Hypothesized the latter would be more related to age in a deficit pattern than the former. Results partly supported the hypothesis. (Author)
Descriptors: Adult Development, Age Differences, Comparative Analysis, Individual Differences
Field, Dorothy – 1981
Only a longitudinal study, in which retrospective reports can be verified against data collected earlier, can determine what topics tend to be reported accurately and whether certain types of individuals are more likely to be accurate reporters. A representative group of adults (N=60) who became parents 50 years ago are now part of the oldest and…
Descriptors: Adult Development, Adults, Age Differences, Aging (Individuals)
Grant, Carmen Hill – 1969
Several works have suggested that life proceeds in a pattern of developmental stages characterized by expansion during the early adult years and restriction, or withdrawal, after middle age. Postulating that self-concept might also be expected to reflect this curvilinear pattern of life stages, the author explored differences in adult self-concept…
Descriptors: Adult Development, Age Differences, Attitude Change, Individual Differences

Maddox, George L. – Gerontologist, 1987
Contends persistent heterogenity observed among older adults indicates aging processes are the synergistic products of biological, psychosocial, and cultural factors. Asserts evidence of modifiability promotes consideration of alternative policies regarding the construction of alternative futures for older adults and aging societies. (Author/ABL)
Descriptors: Adult Development, Aging (Individuals), Biological Influences, Cultural Influences
Field, Dorothy – 1981
Only a longitudinal study, in which retrospective reports can be verified against data collected earlier, can determine what topics tend to be reported accurately and whether certain types of individuals are more likely to be accurate reporters. A representative group of adults who became parents 50 years ago are now part of the oldest and longest…
Descriptors: Adult Development, Age Differences, Aging (Individuals), Cognitive Processes
Miller, Phyllis, Ed. – Mensa Research Journal, 2001
This special issue of the Mensa Research Journal contains four papers written by K. Warner Schaie, a psychologist who focuses on psychological development from young adulthood through old age. The first paper is "Living with Gerontology." In it, Schaie recounts his own childhood, adolescence, and young adulthood, his path to becoming a…
Descriptors: Adult Development, Age Differences, Aging (Individuals), Cognitive Development
Field, Dorothy – 1981
Only a longitudinal study, in which retrospective reports can be verified against data collected earlier, can determine what topics tend to be reported accurately and whether certain types of individuals are more likely to be accurate reporters. A representative group of adults who became parents 50 years ago are now part of the oldest and longest…
Descriptors: Adult Development, Age Differences, Aging (Individuals), Attitude Change

Schaie, K. Warner – American Psychologist, 1994
Summarizes the conduct and results of the Seattle Longitudinal Study, an investigation that has assessed mental abilities in more than 5,000 adults and has followed some for as long as 35 years. Integrative findings are presented on age changes, cohort differences, factor structure, individual differences, and interventions. (SLD)
Descriptors: Ability, Adult Development, Age Differences, Change

Ponzo, Zander – Counseling and Values, 1981
Discusses aspects of age prejudice including: age restrictiveness, age distortion, and ageism. Considers social changes related to age prejudice. Describes a University of Vermont course in age prejudice. Includes a table listing cognitive, affective, and behavioral objectives for the reduction of age discrimination. (RC)
Descriptors: Adjustment (to Environment), Adult Development, Age Discrimination, Aging (Individuals)