NotesFAQContact Us
Collection
Advanced
Search Tips
50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Back to results
Peer reviewed Peer reviewed
ERIC Number: EJ576077
Record Type: CIJE
Publication Date: 1998
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0012-1649
Longitudinal and Cross-Sectional Twin Data on Cognitive Abilities in Adulthood: The Swedish Adoption/Twin Study of Aging.
Finkel, Deborah; Pedersen, Nancy L.; Plomin, Robert; McClearn, Gerald E.
Developmental Psychology, v34 n6 p1400-13 Nov 1998
Collected data on twins' performance on 13 cognitive variables measured three times at three-year intervals. Twins were monozygotic or dizygotic pairs reared together or apart and were in six cohorts ranging in age from 41 through 84 years. Found stable mean cognitive performance across time on eight measures for the younger cohorts, and decreasing performance for older cohorts. (BC)
Descriptors: Age Differences, Aging (Individuals), Cognitive Ability, Foreign Countries, Heredity, Longitudinal Studies, Memory, Middle Aged Adults, Older Adults, Spatial Ability, Twins, Verbal Ability
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Perceptual Speed; Sweden
Note: For comment on this article see PS 528 587.