The Japanese Study of Adult Twins Reared Apart and Growing Old Separately.

Twin Res Hum Genet

Department of Health Promotion Science, Faculty of Medicine, Osaka University, 1-7 Yamadaoka, Suita City, Osaka-fu, Japan.

Published: December 2006

AI Article Synopsis

  • - The Japanese Study of Adult Twins Reared Apart has been ongoing since 1974, involving over 100 pairs of adult twins who grew up separately.
  • - The study focuses on how environmental factors and life experiences impact life satisfaction and psychological well-being in later adulthood.
  • - Researchers conduct annual mail surveys and have carried out various assessments, including intelligence tests, personality inventories, and medical exams, on specific twin pairs from different regions in Japan.

Article Abstract

More than 100 pairs of adult twins, reared apart and growing old separately, have participated in the Japanese Study of Adult Twins Reared Apart and Growing Old Separately since it began in 1974. The subjects are 161 pairs of adult twins born between 1910 and 1945 in Japan. The main focus of this study is to investigate the influences of environmental factors and life history on life satisfaction and psychological well-being in later adulthood. A mail survey has been conducted on these twins each year since 1974. To date, the Wechsler Adult Intelligent Scale, Maudsley Personality Inventory, Newgarten Life Satisfaction Index, comprehensive medical examinations and personal interviews have been conducted for 12 twin pairs residing in various areas of Japan.

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Source
http://dx.doi.org/10.1375/183242706779462796DOI Listing

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