Heredity and Environment: Major Findings from Twin Studies of Ability, Personality, and Interests

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Author(s): Robert C. Nichols
Series: IAAEE monograph #6
Publisher: The International Association for the Advancement of Ethnology and Eugenics, Inc. (IAAEE)
Year: 1979

Language: English
Commentary: 1979 monograph publication based on 1976 speech; see also Loehlin & Nichols 1976’s _Heredity, Environment and Personality: A Study of 850 Sets of Twins_
Pages: 53
Tags: National Merit Scholarship, National Merit Twin Study, Loehlin, SAT, behavioral genetics, twin studies, intelligence, personality, dysgenics

1. Introduction
2. The Twin Method
3. The Twin Literature
4. The National Merit Twin Study
5. Differences Among Traits
6. Interpretations of Twin Correlations
7. Environmental Influences
8. Social Implications
9. Summary