Genetic influences and individual differences in development of formal operations /.

A study of formal operational ability in individuals from same sex twin pairs was conducted utilizing the twin methodology of behavior genetics to determine whether attainment of this Piagetian stage could contribute information about the relative influence of heredity and environment on cognitive d...

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Bibliographic Details

Main Author:	Haensly, Patricia Anastacia Banach
Other Authors:	Ash, Michael (degree committee member.), Barker, Donald (degree committee member.), Lutes, Candida (degree committee member.)
Format:	Thesis Book
Language:	English
Published:	1982.
Subjects:	Developmental psychology. Genetic psychology. Reasoning in children. Twins > Psychology. Major educational psychology. Academic theses.
Online Access:	Link to ProQuest copy Link to OAKTrust copy ProQuest, Abstract