GENETIC-ANALYSIS OF GENERAL INTELLIGENCE G - A TWIN STUDY

Authors
PAL S SHYAM R SINGH R
Citation
S. Pal et al., GENETIC-ANALYSIS OF GENERAL INTELLIGENCE G - A TWIN STUDY, Personality and individual differences, 22(5), 1997, pp. 779-780
Citations number
7
Categorie Soggetti
Psychology, Social
Journal title
Personality and individual differences → ACNP
ISSN journal
01918869
Volume
22
Issue
5
Year of publication
1997
Pages
779 - 780
Database
ISI
SICI code
0191-8869(1997)22:5<779:GOGIG->2.0.ZU;2-8
Abstract
A sample of 30 MZ and 30 DZ twins reared together matched on age, educ ational standard and sex (i.e. male) and other background factors was selected from rural areas of Haryana (India). Subjects were administer ed Raven's Standard Progressive Matrices (SPM) as a measure of 'g' to determine its hertiability. The Falconer's heritability (h(2)) was 0.8 1, whereas the common family environment was 0.089. The findings have been discussed in the light of distinct background factors of the samp le. Results add to the generality of the inheritance of general intell igence. (C) 1997 Elsevier Science Ltd.