Heredity, Environment, and Personality: A Study of 850 Sets of Twins
Autor John C. Loehlin, Robert C. Nicholsen Limba Engleză Paperback – iun 1976
The subjects were chosen from participants in the National Merit Scholarship Qualifying Test of 1962 and were mailed a battery of personality and interest questionnaires. In addition, parents of the twins were sent questionnaires asking about the twins’ early experiences. A similar sample of nontwin students who had taken the merit exam provided a comparison group. The questions investigated included how twins are similar to or different from nontwins, how identical twins are similar to or different from fraternal twins, how the personalities and interests of twins reflect genetic factors, how the personalities and interests of twins reflect early environmental factors, and what implications these questions have for the general issue of how heredity and environment influence the development of psychological characteristics. In attempting to answer these questions, the authors shed light on the importance of both genes and environment and form the basis for different approaches in behavior genetic research.
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Specificații
ISBN-13: 9780292741317
ISBN-10: 0292741316
Pagini: 214
Ilustrații: 2 figures, 49 tables
Dimensiuni: 216 x 279 x 20 mm
Greutate: 0.45 kg
Editura: University of Texas Press
Colecția University of Texas Press
ISBN-10: 0292741316
Pagini: 214
Ilustrații: 2 figures, 49 tables
Dimensiuni: 216 x 279 x 20 mm
Greutate: 0.45 kg
Editura: University of Texas Press
Colecția University of Texas Press
Notă biografică
John C. Loehlin is Professor Emeritus of Psychology at the University of Texas at Austin.
Robert C. Nichols was Professor of Educational Psychology and Psychology at the State University of New York at Buffalo.
Robert C. Nichols was Professor of Educational Psychology and Psychology at the State University of New York at Buffalo.
Cuprins
- Preface
- 1. Introduction
- 2. Design of the Study
- 3. Twins and Nontwins
- 4. Twin Resemblance
- 5. Early Environment
- 6. Some Special Analyses
- 7. Heredity and Environment
- Appendixes
- A. Questionnaires
- B. Basic Data Tables
- References
- Index
Descriere
This volume reports on a study of 850 pairs of twins who were tested to determine the influence of heredity and environment on individual differences in personality, ability, and interests.