A model-fitting implementation of the DeFries-Fulker model for selected twin data

Behavior Genetics

Volumn 33, Issue 3, 2003, Pages 271-278

  Purcell, S ^a   Sham, P C ^a  

^a KING'S COLLEGE LONDON   (United Kingdom)

Author keywords

DeFries Fulker analysis; Maximum likelihood estimation; Sex differences; Twins

Indexed keywords

ARTICLE; BIOLOGICAL TRAIT; DATA ANALYSIS; MATHEMATICAL ANALYSIS; MATHEMATICAL MODEL; REGRESSION ANALYSIS; SEX DIFFERENCE; SIMULATION; TWIN ZYGOSITY;

COMPUTER SIMULATION; FEMALE; HUMANS; MALE; MODELS, STATISTICAL; SEX CHARACTERISTICS; TWINS; TWINS, DIZYGOTIC; TWINS, MONOZYGOTIC;

EID: 0037762731     PISSN: 00018244     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1023494408079     Document Type: Article

References (4)

1. DeFries, J. C., and Fulker, D. W. (1985). Multiple regression analysis of twin data. Behav. Genet. 15(5):467-473.
2. DeFries, J. C., and Fulker, D. W. (1988). Multiple regression analysis of twin data: Etiology of deviant scores versus individual differences. Acta Genet. Med. Gemellol. 37:205-216.
3. Kohler, H. P., and Rodgers, J. L. (2001). DF-analyses of heritability with double-entry twin data: Asymptotic standard errors and efficient estimation. Behav. Genet. 31(2):179-191.
4. Purcell, S., Eley, T. C., Dale, P. S., Oliver, B., Petrill, S. A., Price, T. S., Saudino, K. J., Simonoff, E., Stevenson, J., Taylor, E., and Plomin, R. (2001). Comorbidity between verbal and nonverbal cognitive delays in 2-year-olds: A bivariate twin analysis. Dev. Sci. 4:195-208.