Research Catalog

Title

Twins, a study of heredity and environment, by Horatio H. Newman, Frank N. Freeman [and] Karl J. Holzinger.

Author

Newman, Horatio Hackett, 1875-1957.

Publication

Chicago, Ill., The University of Chicago Press [1937]

Items in the Library & Off-site

Details

Description

xvi, 369 pages illustrations

Subject

• Twins > Psychology
• Nature and nurture
• Heredity
• Human beings > Effect of environment on
• Twins
• Genetics
• Heredity
• Human beings > Effect of environment on
• Nature and nurture
• Twins > Psychology
• Tweelingen (biologie)
• Erfelijkheid en omgeving

Contents

Part I. Introduction and biological aspects -- 1. Previous studies of the problem -- 2. A critique of methods and the problem and method of the present study -- 3. The two kinds of twins and the methods of diagnosing them -- 4. Causes of differences in identical twins reared together -- Part II. Comparison of fifty pairs of identical and fifty pairs of fraternal twins -- 5. Comparison of the differences of the two groups -- 6. Statistical analysis of unseparated twins -- 7. Resemblance in handwriting of identical and fraternal twins reared together -- Part III. Study of nineteen pairs of identical twins separated in infancy -- 8. Gatihering the separated cases: proofs of monozygocity and degree of separation -- 9. Human-interest stories as told by twins -- 10. Case studies -- 11. Summary of the findings in the case studies -- 12. Statistical analyses of separated twins -- 13. General summary and interpretation.

LCCN

37011639

OCLC

• ocm00490793
• 490793
• SCSB-384831

Owning Institutions

Princeton University Library