Born Together—Reared Apart: The Landmark Minnesota Twin StudyThe Minnesota Study of Twins Reared Apart startled scientists by demonstrating that twins reared apart are as alike, across a number of personality traits and other measures, as those raised together, suggesting that genetic influence is pervasive. Segal offers an overview of the study’s scientific contributions and effect on public consciousness. |
Contents
Introduction | 1 |
1 The Jim Twins February March 1979 | 17 |
2 15000 Questions 137 Pairs | 32 |
3 Early Findings 1979 1983 | 65 |
4 Sexual Orientation Cognition and Medical Traits 1984 1987 | 82 |
Personality and IQ 1988 and 1990 | 97 |
6 Job Satisfaction Cardiac Characteristics and More 1989 1990 | 116 |
7 Psychopathology and Religiosity 1990 | 136 |
11 Larks and Owls Ego Development and Authoritarianism 1998 2002 | 221 |
12 Twin Relationships Social Attitudes and Mental Abilities 2003 2005 | 246 |
13 Sexual Development Fluctuating Asymmetry Body Size and the Structure of Intelligence 2006 and Beyond | 266 |
14 Questions Answers and Twin Studies of the Future | 298 |
Funding Sources | 329 |
Glossary | 333 |
Notes | 339 |
Acknowledgments | 397 |
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Born Together—Reared Apart: The Landmark Minnesota Twin Study Nancy L. Segal No preview available - 2012 |
Common terms and phrases
adoption adult analysis assessment associated Auke Tellegen Behavior Genetics biological Bouchard Jr chapter co-twins cognitive concordance David ego development Emergenesis environmental effects Environmental Influences Epistasis estimates evolutionary psychology Family Environment female twins findings genes Genetic and Environmental genetic effects genetic factors genetic influence Gottesman heritability Heston Human Identical Twins included individual differences intelligence intraclass correlations Inventory James Shields Jim twins job satisfaction Loehlin Lykken Matt McGue measures menarche Michalowicz Minnesota Twin MISTRA MZA and DZA MZA correlations MZA female MZA twin pairs Nancy Newman paper parents percent periodontal Pioneer Fund Psychology Questionnaire reared-apart twin reared-together twin religious resemblance Review Robert Plomin scales Science scores Segal separated twins sexual shared environmental siblings similar social Study of Twins Thomas tion twin groups Twin Research twin sample twin studies Twins Reared University of Minnesota variance vocational interests Wendy Johnson York zygosity