References
Allen, G., in press, Holzinger’s He revised, Acta Genet. Med. Gemellol., 28.
Google Scholar
Allen, G., and Hrubec, Z., 1979, Twin concordance. A more general model, Acta Genet. Med. Gemellol., 28:3.
Google Scholar
Bulmer, M. G., 1970, “The Biology of Twinning in Man,” Clarendon Press, Oxford.
Google Scholar
Burt, C., 1966, The genetic determination of differences in intelligence: A study of monozygotic twins reared together and apart, Br. J. Psychol., 57:137.
CrossRef Google Scholar
Cattell, R. B., 1960, The multiple abstracts variance analysis. Equations and solutions for nature-nurture research on continuous variables, Psychol. Rev., 67:353.
CrossRef Google Scholar
Cattell, R. B., 1965, Methodological and conceptual advances in evaluating hereditary and environmental influences and their interaction, in: “Methods and Goals in Human Behavior Genetics,” S. G. Vandenberg, ed., Academic Press, New York.
Google Scholar
Cederlöf, R., Friberg, L., Jonson, E., and Kaaij, L., 1961, Studies on similarity diagnosis in twins with the aid of mailed questionnaires, Acta Genet., 11: 338.
Google Scholar
Cederlöf, R., Friberg, L., and Lundman, T., 1977, “The Interactions of Smoking, Environment and Heredity and Their Implications for Disease Etiology,” Acta Med. Scand., Suppl. no. 612.
Google Scholar
Christian, J. C., 1979, Testing twin means and estimating genetic variance. Basic methodology for the analysis of quantitative twin data, Acta Genet. Med. Gemellol., 28:35.
Google Scholar
-
Corey, L. A., Nance, W. E., and Berg, K., 1978, A new tool in birth defects research: The MZ half-sib model and its extension to grandchildren of identical twins, in: “Annual Review of Birth Defects, 1977. Part A: Cell Surface Factors, Immune Deficiencies, Twin Studies,” R. L. Summitt and D. Bergsma, eds., A. R. Liss, New York.
Google Scholar
Corey, L. A., Nance, W. E., Kang, K. W., and Christian, J. C., 1979, Effects of type of placentation on birthweight and its variability in monozygotic and dizygotic twins, Acta Genet. Med. Gemellol., 28:41.
Google Scholar
Eaves, L. J., Last, K., Martin, N. G., and Jinks, J. L., 1977, A progressive approach to non-additivity and genotype-environmental covariance in the analysis of human differences, Br. J. Math. Stat. Psychol., 30:1.
Google Scholar
Eaves, L. J., Last, K. A., Young, P. A., and Martin, N. G., 1978, Model-fitting approaches to the analysis of human behaviour, Heredity, 41: 249.
Google Scholar
Eaves, L. J., 1978, Twins as a basis for the causal analysis of human personality, in: “Twin Research. Part A: Psychology and Methodology,” W. E. Nance, G. Allen, and P. Parisi, eds., A. R. Liss, New York.
Google Scholar
Elston, R. C., and Gottesman, I. I., 1968, The analysis of quanti-tative inheritance simultaneously from twin and family data, Am. J. Hum. Genet., 20:512.
Google Scholar
Elston, R. C., and Bocklage, C. E., 1978, An examination of fundamental assumptions of the twin method, in: “Twin Research. Part A: Psychology and Methodology,” W. E. Nance, G. Allen, and P. Parisi, eds., A. R. Liss, New York.
Google Scholar
Fairpo, C. G., 1979, The problem of determining twin zygosity for epidemiological studies, Acta Genet. Med. Gemellol., 28:21.
Google Scholar
Falconer, D. S., 1960, “Introduction to Quantitative Genetics,” Oliver & Boyd, Edinburgh.
Google Scholar
Farr, V., 1974, Prognosis for the babies, early and late, in: “Human Multiple Reproduction,” I. MacGillivray, P. P. S.Nylander, and G. Corney, eds., W. B. Saunders, London.
Google Scholar
Fulker, D. W., 1978, Multivariate extensions of a biometrical model of twin data, in: “Twin Research. Part A: Psychology and Methodology,” W. E. Nance, G. Allen, and P. Parisi, eds., A. R. Liss, New York.
Google Scholar
Galton, F., 1875, The history of twins as a criterion of the relative powers of nature and nurture, Fraser’s Magazine, 12: 566.
Google Scholar
Gedda, L., 1951, “Studio dei Gemelli,” Orizzonte Medico, Rome. (English translation of first part: “Twins in History and Science,” Charles C Thomas, Springfield, 1961.)
Google Scholar
Gedda, L., and G. Brenci, 1978, “Chronogenetics. The Inheritance of Biological Time,” Charles C Thomas, Springfield.
Google Scholar
Gedda, L., Rossi, C., Brenci, G., 1979, Twin azygotic test for the study of hereditary qualitative traits in twin populations, Acta Genet. Med. Gemellol., 28:15.
Google Scholar
Gesell, A., and Thompson, H., 1929, Learning and growth in identical twins: An experimental study by the method of co-twin control, Genet. Psychol. Monogr., 6:1.
Google Scholar
Holzinger, K. J., 1929, The relative effect of nature and nurture on twin differences, J. Educ. Psychol., 20:241.
CrossRef Google Scholar
Jensen, A. R., 1967, Estimation of the limits of heritability of traits by comparison of monozygotic and dizygotic twins, Proc. Nat. Acad. Sci., 58:149.
CrossRef Google Scholar
Jensen, A. R., 1970, IQ’s of identical twins reared apart, Behay. Genet., 1:133.
Google Scholar
Jinks, J. L., and Fulker, D. W., 1970, Comparison of the biometrical, genetical, MAYA, and classical approaches to the analysis of human behavior, Psychol. Bull., 73:311.
CrossRef Google Scholar
Juel-Nielsen, N., 1965, “Individual and Environment. A Psychiatric- Psychological Investigation of Monozygotic Twins Reared Apart,” Acta Psychiatrica Scandinavica, Suppl. no. 183.
Google Scholar
Koch, H., 1966, “Twins and Twin Relations,” University of Chicago Press, Chicago.
Google Scholar
Loehlin, J. C., 1965, Some methodological problems in Cattell’s Multiple Abstracts Variance Analysis, Psychol. Rev., 72:156.
CrossRef Google Scholar
MacGillivray, I., 1974, Labour in multiple pregnancies, in: “Human Multiple Reproduction,” I. MacGillivray, P. P. S. Nylander, and G. Corney, eds., W. B. Saunders, London.
Google Scholar
Martin, N. G., Eaves, L. J., Kearsey, M. J., and Davies, P., 1978, The power of the classical twin method, Heredity, 40: 97.
Google Scholar
Matheny, A. P., Appraisal of parental bias in twin studies: Ascribed zygosity and IQ differences in twins, Acta Genet. Med. Gemellol., in press.
Google Scholar
Nance, W. E., 1974, Genetic studies of the offspring of identical twins. A model for the analysis of quantitative inheritance in man. First International Congress on Twin Studies, Rome, 1974, Acta Genet. Med. Gemellol., 25:103.
Google Scholar
Nance, W. E., Winter, P. M., Segreti, W. O., Corey, L. A., Parisi-Prinzi, G., Parisi, P., 1978, A search for evidence of hereditary superfetation in man, in: “Twin Research. Part B: Biology and Epidemiology,” W. E. Nance, G. Allen, and P. Parisi, eds., A. R. Liss, New York.
Google Scholar
Newman, H. H., Freeman, F. N., Holzinger, K. J., 1937, “Twins: A Study of Heredity and Environment,” University of Chicago Press, Chicago.
Google Scholar
Nichols, R. C., 1965, The National Merit twin study, in: “Methods and Goals in Human Behavior Genetics,” S. G. Vandenberg, ed., Academic Press, New York.
Google Scholar
Nichols, R. C., and Bilbro, W. C., 1966, The diagnosis of twin zygosity, Acta Genet., 16: 265.
Google Scholar
Nylander, P. P. S., and MacGillivray, I., 1974, Complications of twin pregnancy, in: “Human Multiple Reproduction,” I. MacGillivray, P. P. S. Nylander, and G. Corney, eds., W. B. Saunders, London.
Google Scholar
Parisi, P., and Di Bacco, M., 1968, Fingerprints and the diagnosis of zygosity in twins, Acta Genet. Med. Gemellol., 17:333.
Google Scholar
Price, B., 1950, Primary biases in twin studies, Am. J. Hum.Genet., 2:293.
Google Scholar
Race, R. R., and Sanger, R., 1968, “Blood Groups in Man,” F. A. Davis, Philadelphia.
Google Scholar
Scarr, S., 1968, Environmental bias in twin studies, Eugen. Q., 15:34.
Google Scholar
Shields, J., 1962, “Monozygotic Twins Brought up Apart and Brought up Together,” Oxford University Press, London.
Google Scholar
Shields, J., 1978, MZA twins: Their use and abuse, in: “Twin Research. Part A: Psychology and Methodology,” W. E. Nance, G. Allen, and P. Parisi, eds., A. R. Liss, New York.
Google Scholar
Smith, C., 1974, Concordance in twins: methods and interpretation, Am. J. Hum. Genet., 26:454.
Google Scholar
Smith, S. M., and Penrose, L. S., 1955, Monozygotic and dizygotic twin diagnosis, Ann. Hum. Genet., 19:273.
CrossRef Google Scholar
Vandenberg, S. G., 1965, Multivariate analysis of twin differences, in: “Methods and Goals in Human Behavior Genetics,” S. G. Vandenberg, ed., Academic Press, New York.
Google Scholar
Vandenberg, S. G., 1976, Twin studies, in: “Human Behavior Genetics,” A. R. Kaplan, ed., Charles C Thomas, Springfield.
Google Scholar
Von Verschuer, O., 1928, Die Aenlichkeitsdiagnose der Eineiigkeit von Zwillingen, Anthropol. Anz., 5: 244.
Google Scholar
Wilson, R. S., 1978, Synchronies in mental development: An epigenetic perspective, Science, 202: 939.
CrossRef Google Scholar
Wilson, R. S., Twin growth: Initial deficit, recovery, and trends in concordance from birth to nine years, Ann. Hum. Biol. in press.
Google Scholar
Zazzo, R., 1960, “Les Jumeaux: Le Couple et la Personne,” Presses Universitaires de France, Paris.
Google Scholar
Zazzo, R., 1978, Genesis and peculiarities of the personality of twins, in: “Twin Research. Part A: Psychology and Methodology,” W. E. Nance, G. Allen, and P. Parisi, eds., A. R. Liss, New York.
Google Scholar
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