The equal environments assumption of classical twin studies may not hold

British Journal of Educational Psychology

Volumn 75, Issue 3, 2005, Pages 339-350

  Richardson, Ken ^a   Norgate, Sarah ^b  

^a Open University ^*

^b OPEN UNIVERSITY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; COGNITION; DIZYGOTIC TWINS; ENVIRONMENT; GENETICS; HUMAN; METHODOLOGY; MONOZYGOTIC TWINS; PSYCHIATRY; TWINS; UNITED KINGDOM;

COGNITION; ENVIRONMENT; GREAT BRITAIN; HUMANS; PSYCHIATRY; RESEARCH DESIGN; TWIN STUDIES; TWIN STUDIES AS TOPIC; TWINS, DIZYGOTIC; TWINS, MONOZYGOTIC;

EID: 27644567142     PISSN: 00070998     EISSN: None     Source Type: Journal    
DOI: 10.1348/000709904X24690     Document Type: Article

References (46)

1. Akerman, B. A., & Suurvee, E. (2003). The cognitive and identity development of twins at 16 years of age: A follow-up study of 32 twin pairs. Twin Research, 6, 328-333.
2. Bandura, A., Barbaranelli, C., Caprara, G. V., & Pastorelli, C. (1996). Multifaceted impact of self-efficacy beliefs on academic functioning. Child Development, 67, 1206-1222.
3. Bouchard, T. (1997). IQ similarity in twins reared apart: Findings and response to criticisms. In R. J. Sternberg & E. Grigerenko (Eds.), Intelligence, heredity and environment. Cambridge: Cambridge University Press.
4. Bryant, E. (1992). Twins and higher multiple births: A guide to their nature and nurture. London: Hodder and Stoughton.
5. Carrol, S. B., Grenier, J. F., & Wetherbee, S. D. (2001). From DNA to diversity: Molecular genetics and the evolution of animal design. Oxford: Blackwell.
6. Cohen, J., & Cohen, P. (1983). Applied multiple regression/ correlation analysis for the behavioral sciences. Hillsdale: Erlbaum.
7. Evans, D. M., & Martin, N. G. (2000). The validity of twin studies. GeneScreen, 1, 77-79.
8. Francis, D., Diorio, J., Liu, D., & Meaney, M. J. (1999). Nongenetic transmission across generations of maternal behaviour and stress response in the rat. Science, 286, 1155-1157.
9. Ge, X., & Chadoret, R. J. (1996). The developmental interface between nature and nurture: a mutual influence model. Developmental Psychology, 32, 524-589.
10. Glazier, A. M., Nadeau, J. H., & Aitman, T. J. (2002). Finding genes that underlie complex traits. Science, 298, 2345.
11. Glymour, C. (1997). Social statistics and genuine inquiry: Reflections on The Bell Curve. In B. Devlin, S. E. Feinberg, D. P. Resnick, & K. Roeder (Eds.), Intelligence, genes and success. New York: Copernicus.
12. Gringras, P., & Chen, W. (2001). Mechanisms for differences in monozygotic twins. Early Human Development, 64, 105-117.
13. Hettema, J. M., Neale, M. C., & Kendler, K. S. (1995). Physical similarity and the equal-environment assumption in twin studies of psychiatric disorders. Behavior Genetics, 25, 327-335.
14. Joseph, J. (2000). Not in their genes: a critical review of the genetics of attention-deficit-hyperactivity disorder. Developmental Review, 20, 339-367.
15. Joseph, J. (2003). The gene illusion: Genetic research in psychiatry and psychology under the microscope. Ross-on-Wye: PCCS Books.
16. Kamin, L.J., Goldberger, A.S. (2002). Twin studies in behavioural research: A sceptical view. Theoretical Population Biology, 61, 83-95.
17. Kendler, K. S., Neale, M. C., Kessler, R. C., Heath, A. C., & Eaves, L. J. (1993). A test of the equal-environment assumption in twin studies of psychiatric illness. Behavior Genetics, 23, 21-27.
18. Loehlin, J. C., & Nichols, R. C. (1976). Heredity, environment and personality. Austin: University of Texas Press.
19. Matheny, A. P., Wilson, R. S., & Dolan, A. B. (1976). Relations between twins' similarity of appearance and behavioral similarity: testing an assumption. Behavior Genetics, 6, 343-351.
20. McCartney, K., Harris, M. J., & Berbieri, F. (1990). Growing up and growing apart. Psychological Bulletin, 107, 226-237.
21. McCourt, K., Bouchard, T. J., Lykken, D. T., Tellegen, A., & Keyes, M. (1999). Authoritarianism revisited: Genetic and environmental influences examined in twins reared apart and together. Personality and Individual Differences, 27, 985-1014.
22. McGue, M., & Bouchard, T. J. (1989). Genetic and environmental determinants of information processing and special mental abilities: A twin analysis. In R. J. Sternberg (Ed.), Advances in the psychology of human intelligence (Vol. 5, pp. 7-45). Hillsdale: Erlbaum.
23. Merila, J., & Sheldon, B. C. (1999). Genetic architecture of fitness and nonfitness traits. Heredity, 83, 103-109.
24. Newman, D. L., Tellegen, A., & Bouchard, T. J. (1998). Individual differences in adult ego development: Sources of influence in twins reared apart. Journal of Personality and Social Psychology, 74, 985-995.
25. O'Connor, T. G., & Deater-Deckard, K. (1998). Genotype-environment correlations in late childhood and early adolescence. Developmental Psychology, 34, 970-982.
26. Pedersen, N. L., Plomin, R., Nesselroade, J. T., & McClearn, G. E. (1992). A quantitative genetic analysis of cognitive abilities during the second half of the lifespan. Psychological Science, 3, 346-353.
27. Plomin, R. (1999). Genetics and general cognitive ability. Nature, 402, C25-C29.
28. Plomin, R. (2003). Genetics, genes, genomics and g. Journal of Molecular Psychiatry, 8, 1-5.
29. Plomin, R., & Daniels, D. (1987). Why are children in the same family so different from one another. Behavioral and Brain Sciences, 10, 1-60.
30. Plomin, R., & DeFries, J. C. (1998). The genetics of cognitive abilities and disabilities. Scientific American, May, 62-69.
31. Plomin, R., & Loehlin, J. C. (1989). Direct and indirect heritability estimates: A puzzle. Behavior Genetics, 19, 331-342.
32. Plomin, R., Pedersen, N. L., Lichtenstein, P., & McClearn, G. E. (1994). Variability and stability in cognitive abilities are largely genetic later in life. Behavior Genetics, 24, 207-215.
33. Reitveld, M. J. H., van der Valk, J. C., Bongers, L. L., Stroet, T. M., Slagboom, P. E., & Boomsma, D. I. (2000). Zygosity diagnosis in young twins by parental report. Twin Research, 3, 134-141.
34. Richardson, K. (1998). Origins of human potential: Development, evolution and psychology. London: Routledge.
35. Rollo, D. C. (1995). Phenotypes: Their epigenetics, ecology and evolution. London: Chapman and Hall.
36. Rutter, M. (2002). Nature, nurture and development: From evangelism through science toward policy and practice. Child Development, 73, 1-21.
37. Saudino, K. J. (2003). Parental ratings of infant temperament: Lessons from twin studies. Infant Behavior and Development, 26, 100-107.
38. Scarr, S., & Carter-Saltzman, L. (1979). Twin method: Defense of a critical assumption. Behavior Genetics, 9, 527-542.
39. Schachter, F. F. (1982). Sibling deidentification and split-parent identification: A family tetrad. In M. E. Lamb & B. Sutton-Smith (Eds.), Sibling relationships: Their nature and significance across the lifespan (pp. 123-151). Hillsdale, NJ: Erlbaum.
40. Schonemann, P. H. (1997). On models and muddles of heritability. Genetica, 99, 97-108.
41. Segal, N. L. (1984). Cooperation, competition and altruism within twin sets: A reappraisal. Ethology and Sociobiology, 5, 163-177.
42. Shields, J. (1962). Monozygotic twins brought up apart and brought up together. London: Oxford University Press.
43. Sternberg, R. J. (1995a). For whom the bell curve tolls: A review of the bell curve. Psychological Science, 5, 257-261.
44. Stewart, E. (2000). A Towards the social analysis of twinship. British Journal of Sociology, 51, 719-737.
45. Walker, S., Petrill, S., Spinath, F. M., & Plomin, R. (2004). Nature, nurture and academic achievement. British Journal of Educational Psychology, 74, 323-342.
46. William, D. (2002). Level best: Levels of attainment in national curriculum assessment. London: ATL.