Heredity Environment
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Intelligence, Heredity and Environment
Author: Robert J. Sternberg
language: en
Publisher: Cambridge University Press
Release Date: 1997-01-28
The debate over nature versus nurture in relation to intelligence is not as clearly drawn as it was ten years ago, when geneticists claimed that intelligence is innate, while environmentalists claimed that culture is the major determining factor. Although the debate has not been resolved, it has been significantly refined. Robert Sternberg and Elena Grigorenko address the roles and interaction of nature and nurture in Intelligence, Heredity and Environment. This book provides a comprehensive, balanced, current survey of theory and research on the origins and transmission of human intelligence. The book is unique in the diversity of viewpoints it presents, and its inclusion of the very most recent theories and findings. It highlights the search for genes associated with specific cognitive abilities, interactionist theories, cultural relativism, educational strategies, developmental perspectives, and fallacies of previous intelligence research.
Heredity, Environment, and Personality
Author: John C. Loehlin
language: en
Publisher: University of Texas Press
Release Date: 2014-11-06
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. It presents the background, research design, and procedures of the study, a complete tabulation of the test results, and the authors’ extensive analysis of their findings. Based on one of the largest studies of twin behavior conducted in the twentieth century, the book challenges a number of traditional beliefs about genetic and environmental contributions to personality development. 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.
Heredity, Environment, and Personality
Author: John C. Loehlin
language: en
Publisher: University of Texas Press
Release Date: 1976-06-01
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. It presents the background, research design, and procedures of the study, a complete tabulation of the test results, and the authors’ extensive analysis of their findings. Based on one of the largest studies of twin behavior conducted in the twentieth century, the book challenges a number of traditional beliefs about genetic and environmental contributions to personality development. 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.