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Achenbach and Edelbrock, 1981
Achenbach, T. M. & Edelbrock, C. S. (1981).
Behavior problems and competencies reported by parents of normal and disturbed children age four through sixteen. Monographs of the Society for Research in Child Development.
Number 188 in 46.

Achenbach and Edelbrock, 1983
Achenbach, T. M. & Edelbrock, C. S. (1983).
Manual for the Child Gehavior Checklist and Revised Child Behavior Profile.
Burlington, VT: University of Vermont Dept. of Psychiatry.

Achenbach et al., 1987
Achenbach, T. M., McConaughy, S. H., & Howell, C. T. (1987).
Child/adolescent behavioral and emotional problems: Implications of cross-informant correlations for situational specificity.
Psychological Bulletin, 101, 213-232.

Aitken, 1934
Aitken, A. C. (1934).
Note on selection from a multivariate normal population.
Proceedings of the Edinburgh Mathematical Society B, 4, 106-110.

Akaike, 1987
Akaike, H. (1987).
Factor analysis and aic.
Psychometrika, 52, 317-332.

Australian Bureau of Statistics, 1977
Australian Bureau of Statistics (1977).
Alcohol and tobacco consumption patterns: February 1977 (catalogue no. 4312.0. ed.).
Australian Bureau of Statistics.

Bedford et al., 1976
Bedford, A., Foulds, G. A., & Sheffield, B. F. (1976).
A new personal disturbance scale (DSSI/SAD).
British Journal of Social Clinical Psychology, 15, 387-394.

Bock and Vandenberg, 1968
Bock, R. D. & Vandenberg, S. G. (1968).
Components of heritable variation in mental test scores.
In S. G. Vandenberg (Ed.), Progress in human behavior genetics, (pp. 233-260). The Johns Hopkins Press: Baltimore.

Bodmer, 1987
Bodmer, W. F. (1987).
HLA, immune response, and disease.
In F. Vogel & K. Sperling (Eds.), Human Genetics: Proceedings of the 7th international congress, (pp. 107-113). Springer-Verlag: New York.

Bollen, 1989
Bollen, K. A. (1989).
Structural Equations with Latent Variables.
New York: John Wiley.

Boomsma and Molenaar, 1986
Boomsma, D. I. & Molenaar, P. C. M. (1986).
Using lisrel to analyze genetic and environmental covariance structure.
Behavior Genetics, 16, 237-250.

Boomsma and Molenaar, 1987
Boomsma, D. I. & Molenaar, P. C. M. (1987).
The genetic analysis of repeated measures.
Behavior Genetics, 17, 111-123.

Boyer, 1985
Boyer, C. B. (1985).
A history of mathematics.
Princeton, New Jersey: Princeton University Press.

Bray, 1976
Bray, J. A. (1976).
The Obese Patient.
Philadelphia: W. B. Saunders.

Cantor, 1983
Cantor, R. M. (1983).
A multivariate genetic analysis of ridge count data from the offspring of monozygotic twins.
Acta Geneticae Medicae et Gemellologiae, 32, 161-208.

Cardon and Fulker, 1992
Cardon, L. R. & Fulker, D. W. (1992).
Genetic influences on body fat from birth to age 9.
Genetic Epidemiology.
(in press).

Carey, 1986a
Carey, G. (1986a).
A general multivariate approach to linear modeling in human genetics.
American Journal of Human Genetics, 39, 775-786.

Carey, 1986b
Carey, G. (1986b).
Sibling imitation and contrast effects.
Behavior Genetics, (pp. 319-341).

Carey, 1988
Carey, G. (1988).
Inference about genetic correlations.
Behavior Genetics, 18, 329-338.

Castle, 1903
Castle, W. E. (1903).
The law of heredity of Galton and Mendel and some laws governing race improvement by selection.
Proceedings of the American Academy of Sciences, 39, 233-242.

Cattell, 1963
Cattell, R. B. (1963).
Theory of fluid and crystallized intelligence: A critical experiment.
Journal of Educational Psychology, 54, 1-22.

Cavalli-Sforza and Feldman, 1981
Cavalli-Sforza, L. L. & Feldman, M. (1981).
Cultural Transmission and Evolution: A Quantitative Approach.
Princeton: Princeton University.

Cloninger, 1980
Cloninger, C. R. (1980).
Interpretation of intrinsic and extrinsic structural relations by path analysis: Theory and application to assortative mating.
Genetic Research, 36, 133-145.

Cloninger et al., 1979a
Cloninger, C. R., Rice, J., & Reich, T. (1979a).
Multifactorial inheritance with cultural transmission and assortative mating. II. A general model of combined polygenic and cultural inheritance.
American Journal of Human Genetics, 31, 176-198.

Cloninger et al., 1979b
Cloninger, C. R., Rice, J., & Reich, T. (1979b).
Multifactorial inheritance with cultural transmission and assortative mating. III. Family structure and the analysis of separation experiments.
American Journal of Human Genetics, 31, 366-388.

Corey et al., 1986
Corey, L. A., Eaves, L. J., Mellen, B. G., & Nance, W. E. (1986).
Testing for developmental changes in gene expression on resemblance for quantitative traits in kinships of monozygotic twins.
Genetic Epidemiology, 3, 73-83.

Cox and Rutter, 1985
Cox, A. & Rutter, M. (1985).
Diagnostic appraisal and interviewing.
In M. Rutter & L. Hersor (Eds.), Child and adolescent psychiatry. Blackwell: Oxford, (2nd ed.).

Crow and Kimura, 1970
Crow, J. F. & Kimura, M. (1970).
Introduction to Population Genetics Theory.
New York: Harper and Row.

Darlington, 1971
Darlington, C. D. (1971).
Axiom and process in genetics.
Nature, 234, 131-133.

Dawkins, 1982
Dawkins, R. (1982).
The Extended Phenotype: The Gene as the Unit of Selection.
Oxford: Oxford University Press.

Duffy and Martin, 1992
Duffy, D. L. & Martin, N. G. (1992).
Inferring the direction of causation in cross-sectional twin data: theoretical and empirical considerations.
Genetic Epidemiology, In press.

Duffy et al., 1990
Duffy, D. L., Martin, N. G., Battistutta, D., Hopper, J. L., & Mathews, J. D. (1990).
Genetics of asthma and hayfever in australian twins.
American Review of Respiratory Disease, 142, 1351-1358.

Eaves, 1976a
Eaves, L. J. (1976a).
The effect of cultural transmission on continuous variation.
Heredity, 37, 41-57.

Eaves, 1976b
Eaves, L. J. (1976b).
A model for sibling effects in man.
Heredity, 36, 205-214.

Eaves, 1982
Eaves, L. J. (1982).
The utility of twins.
In V. Anderson, et al (Ed.), Genetic Bases of the Epilepsies. New York: Raven Press.

Eaves et al., 1989
Eaves, L. J., Fulker, D. W., & Heath, A. C. (1989).
The effects of social homogamy and cultural inheritance on the covariances of twins and their parents.
Behavior Genetics, 19, 113-122.

Eaves et al., 1992
Eaves, L. J., Heath, A. C., Neale, M. C., Hewitt, J. K., & Martin, N. G. (1992).
Sex differences and non-additivity in the effects of genes on personality.
Psychological Science.
(in press).

Eaves et al., 1990
Eaves, L. J., Hewitt, J. K., Meyer, J. M., & Neale, M. C. (1990).
Approaches to quantitative genetic modeling of development and age-related changes.
In M. E. Hahn, J. K. Hewitt, N. D. Henderson, & R. Benno (Eds.), Developmental Behavior Genetics. Neural, Biometrical and Evolutionary Approaches, (pp. 266-277). Oxford University Press: Oxford.

Eaves et al., 1977
Eaves, L. J., Last, K. A., Martin, N. G., & Jinks, J. L. (1977).
A progressive approach to non-additivity and genotype-environmental covariance in the analysis of human differences.
British Journal of Mathematical and Statistical Psychology, 30, 1-42.

Eaves et al., 1978
Eaves, L. J., Last, K. A., Young, P. A., & Martin, N. G. (1978).
Model-fitting approaches to the analysis of human behavior.
Heredity, 41, 249-320.

Eaves et al., 1986
Eaves, L. J., Long, J., & Heath, A. C. (1986).
A theory of developmental change in quantitative phenotypes applied to cognitive development.
Behavior Genetics, 16, 143-162.

Eaves et al., 1991
Eaves, L. J., Neale, M. C., & Meyer, J. M. (1991).
A model for comparative ratings in studies of within-family differences.
Behavior Genetics, 21, 531-536.

Falconer, 1960
Falconer, D. S. (1960).
Quantitative Genetics.
Edinburgh: Oliver and Boyd.

Falconer, 1990
Falconer, D. S. (1990).
Introduction to Quantitative Genetics (3rd ed.).
New York: Longman Group Ltd.

Fisher, 1918
Fisher, R. A. (1918).
The correlation between relatives on the supposition of Mendelian inheritance.
Translations of the Royal Society, Edinburgh, 52, 399-433.

Fisher, 1920
Fisher, R. A. (1920).
A mathematical examination of the methods of determining the accuracy of an observation by the mean error, and by the mean square error.
Monthly Notices of the Royal Astronomical Society, 80, 758-770.

Fulker, 1982
Fulker, D. W. (1982).
Extensions of the classical twin method.
In Human genetics, part A: The unfolding genome (pp. 395-406). New York: Alan R. Liss.

Fulker, 1988
Fulker, D. W. (1988).
Genetic and cultural transmission in human behavior.
In B. S. Weir, E. J. Eisen, M. M. Goodman, & G. Namkoong (Eds.), Proceedings of the second international conference on quantitative genetics (pp. 318-340). Sunderland, MA: Sinauer.

Fulker et al., 1983
Fulker, D. W., Baker, L. A., & Bock, R. D. (1983).
Estimating components of covariance using LISREL.
Data Analyst, 1, 5-8.

Fuller and Thompson, 1978
Fuller, J. L. & Thompson, W. R. (1978).
Foundations of Behavior Genetics.
St. Louis: C. V. Mosby.

Gill et al., 1981
Gill, P. E., Murray, W., , & Wright, M. H. (1981).
Practical Optimization.
New York: Academic Press.

Gorsuch, 1983
Gorsuch, R. L. (1983).
Factor Analysis (2nd ed.).
Hillsdale, NJ: Lawrence Erlbaum.

Graybill, 1969
Graybill, F. A. (1969).
Introduction to Matrices with Applications in Statistics.
Belmont, CA: Wadsworth Publishing Company.

Grayson, 1989
Grayson, D. A. (1989).
Twins reared together: Minimizing shared environmental effects.
Behavior Genetics, 19, 593-603.

Grilo and Pogue-Guile, 1991
Grilo, C. M. & Pogue-Guile, M. F. (1991).
The nature of environmental influences on weight and obesity: A behavior genetic analysis.
Psychological Bulletin, 110, 520-537.

Haley et al., 1981
Haley, C. S., Jinks, J. L., & Last, K. (1981).
The monozygotic twin half-sib method for analyzing maternal effects and sex-linkage in humans.
Heredity, 46, 227-238.

Harman, 1976
Harman, H. H. (1976).
Modern Factor Analysis.
Chicago: University of Chicago Press.

Heath, 1983
Heath, A. C. (1983).
Human Quantitative Genetics: Some Issues and Applications.
Unpublished doctoral dissertation, University of Oxford, Oxford, England.

Heath, 1987
Heath, A. C. (1987).
The analysis of marital interaction in cross-sectional twin data.
Acta Geneticae Medicae et Gemellologiae, 36, 41-49.

Heath et al., 1989a
Heath, A. C., Jardine, R., & Martin, N. G. (1989a).
Interactive effects of genotype and social environment on alcohol consumption in female twins.
Journal of Studies on Alcohol, 50, 38-48.

Heath et al., 1985
Heath, A. C., Kendler, K. S., Eaves, L. J., & Markell, D. (1985).
The resolution of cultural and biological inheritance: Informativeness of different relationships.
Behavior Genetics, 15, 439-465.

Heath and Martin, 1986
Heath, A. C. & Martin, N. G. (1986).
Detecting the effects of genotype $\times $ environment interaction on personality and symptoms of anxiety and depression.
Behavior Genetics, 16, 622.

Heath et al., 1989b
Heath, A. C., Neale, M. C., Hewitt, J. K., Eaves, L. J., & Fulker, D. W. (1989b).
Testing structural equation models for twin data using LISREL.
Behavior Genetics, 19, 9-36.

Heise, 1975
Heise, D. R. (1975).
Causal Analysis.
New York: Wiley-Interscience.

Helzer et al., 1977
Helzer, J. E., Robins, L. N., Taibleson, M., Woodruff, R. A., Reich, T., & Wish, E. D. (1977).
Reliability of psychiatric diagnosis.
Archives of General Psychiatry, 34, 129-133.

Hewitt, 1989
Hewitt, J. K. (1989).
Of biases and more in the study of twins reared together: A reply to Grayson.
Behavior Genetics, 19, 605-610.

Hewitt et al., 1990
Hewitt, J. K., Silberg, J. L., & Erickson, M. (1990).
Genetic and environmental influences on internalizing and externalizing behavior problems in childhood and adolescence.
Behavior Genetics, 20, 725.

Hewitt et al., 1992
Hewitt, J. K., Silberg, J. L., Neale, M. C., Eaves, L. J., & Erickson, M. (1992).
The analysis of parental ratings of children's behavior using LISREL.
Behavior Genetics.
(in press).

IMSL, 1987
IMSL (1987).
IMSL User's Manual. Version 1.0.
Houston, Texas: IMSL, Inc.

Jardine, 1985
Jardine, R. (1985).
A twin study of personality, social attitudes, and drinking behavior.
Unpublished doctoral dissertation, Australian National University, Australia.

Jeffrey and Knauss, 1981
Jeffrey, D. B. & Knauss, M. R. (1981).
The etiologies, treatments, and assessments of obesity.
In S. N. Haynes & L. Gannon (Eds.), Psychosomatic disorders: A psychophysiological apprach to etiology and treatment. New York: Praeger.

Jencks, 1972
Jencks, C. (1972).
Inequality: A Reassessment of the Effect of Family and Schooling in America.
New York: Basic Books.

Jinks and Fulker, 1970
Jinks, J. L. & Fulker, D. W. (1970).
Comparison of the biometrical genetical, MAVA, and classical approaches to the analysis of human behavior.
Psychological Bulletin, 73, 311-349.

Jöreskog and Sörbom, 1989
Jöreskog, K. G. & Sörbom, D. (1989).
LISREL 7: A Guide to the Program and Applications (2nd ed.).
Chicago: SPSS, Inc.

Kempthorne, 1960
Kempthorne, O. (1960).
Biometrical Genetics.
New York: Pergammon Press.

Kendler et al., 1986
Kendler, K. S., Heath, A. C., Martin, N. G., & Eaves, L. J. (1986).
Symptoms of anxiety and depression in a volunteer twin population: The etiologic role of genetic and environmental factors.
Archives General Psychiatry, 43, 213-221.

Kendler et al., 1987
Kendler, K. S., Heath, A. C., Martin, N. G., & Eaves, L. J. (1987).
Symptoms of anxiety and symptoms of depression: Same genes, different environments?
Archives General Psychiatry, 44, 451-457.

Kendler and Kidd, 1986
Kendler, K. S. & Kidd, K. K. (1986).
Recurrence risks in an oligogenic threshold model: The effect of alterations in allele frequency.
Annals Human Genetics, 50, 83-91.

Kendler et al., 1991
Kendler, K. S., Neale, M. C., Heath, A. C., Kessler, R. C., & Eaves, L. J. (1991).
Life events and depressive symptoms: A twin study perspective.
In P. McGuffin & R. Murray (Eds.), The New Genetics of Mental Illness (pp. 144-162). London: Butterworth-Heinemann.

Kendler et al., 1992a
Kendler, K. S., Neale, M. C., Kessler, R. C., Heath, A. C., & Eaves, L. J. (1992a).
Childhood parental loss and adult psychopathology in women: A twin study perspective.
Archives General Psychiatry, 49, 109-116.

Kendler et al., 1992b
Kendler, K. S., Neale, M. C., Kessler, R. C., Heath, A. C., & Eaves, L. J. (1992b).
Generalized anxiety disorder in women: A population based twin study.
Archives General Psychiatry.
(in press).

Kendler et al., 1992c
Kendler, K. S., Neale, M. C., Kessler, R. C., Heath, A. C., & Eaves, L. J. (1992c).
Major depression and generalized anxiety disorder: Same genes, (partly) different environments?
Archives General Psychiatry.
(in press).

Kenny, 1979
Kenny, D. A. (1979).
Correlation and Causality.
New York: Wiley-Interscience.

Lawley and Maxwell, 1971
Lawley, D. N. & Maxwell, A. E. (1971).
Factor Analysis as a Statistical Method.
London: Butterworths.

Li, 1975
Li, C. C. (1975).
Path Analysis: A Primer.
Pacific Grove, CA: Boxwood Press.

Loeber et al., 1989
Loeber, R., Green, S. M., Lahey, B., & Stouthamer-Loeber, M. (1989).
Optimal informants on childhood disruptive behaviors.
Developmental Psychopathology, 1, 317-337.

Loehlin, 1987
Loehlin, J. C. (1987).
Latent Variable Models.
Baltimore: Lawrence Erlbaum.

Loehlin and Vandenberg, 1968
Loehlin, J. C. & Vandenberg, S. G. (1968).
Genetic and environmental components in the covariation of cognitive abilities: An additive model.
In S. G. Vandenberg (Ed.), Progress in human behavior genetics, (pp. 261-285). Johns Hopkins University Press: Baltimore.

Lykken et al., 1987
Lykken, D. T., McGue, M., & Tellegen, A. (1987).
Recruitment bias in twin research: the rule of two-thirds reconsidered.
Behavior Genetics, 17, 343-362.

Lytton, 1977
Lytton, H. (1977).
Do parents create, or respond to differences in twins?
Developmental Psychology, 13, 456-459.

Mardia et al., 1979
Mardia, K. V., Kent, J. T., & Bibby, J. M. (1979).
Multivariate Analysis.
New York: Academic Press.

Martin and Eaves, 1977
Martin, N. G. & Eaves, L. J. (1977).
The genetical analysis of covariance structure.
Heredity, 38, 79-95.

Martin et al., 1986
Martin, N. G., Eaves, L. J., Heath, A. C., Jardine, R., Feindgold, L. M., & Eysenck, H. J. (1986).
Transmission of social attitudes.
Proceedings of the National Academy of Science, 83, 4364-4368.

Martin et al., 1978
Martin, N. G., Eaves, L. J., Kearsey, M. J., & Davies, P. (1978).
The power of the classical twin study.
Heredity, 40, 97-116.

Martin et al., 1982
Martin, N. G., Eaves, L. J., & Loesch, D. Z. (1982).
A genetical analysis of covariation between finger ridge counts.
Annals Human Biology, 9, 539-552.

Martin and Jardine, 1986
Martin, N. G. & Jardine, R. (1986).
Eysenck's contribution to behavior genetics.
In S. Modgil & C. Modgil (Eds.), Hans Eysenck: Consensus and Controversy. Falmer Press: Lewes, Sussex.

Martin et al., 1985
Martin, N. G., Oakeshott, J. G., Gibson, J. B., Starmer, G. A., Perl, J., & Wilks, A. V. (1985).
A twin study of psychomotor and physiological responses to an acute dose of alcohol.
Behavior Genetics, 15, 305-347.

Mather and Jinks, 1971
Mather, K. & Jinks, J. L. (1971).
Biometrical Genetics.
London: Chapman and Hall.

Mather and Jinks, 1977
Mather, K. & Jinks, J. L. (1977).
Introduction to Biometrical Genetics.
Ithaca, New York: Cornell University Press.

Mather and Jinks, 1982
Mather, K. & Jinks, J. L. (1982).
Biometrical genetics: The Study of Continuous Variation (3rd ed.).
London: Chapman and Hall.

Maxwell, 1977
Maxwell, A. E. (1977).
Multivariate Analysis in Behavioral Research.
New York: John Wiley.

McArdle et al., 1980
McArdle, J. J., Connell, J. P., & Goldsmith, H. H. (1980).
Structural modeling of stability and genetic influences: Some results from a longitudinal study of behavioral style.
Behavior Genetics, 10, 487.

McArdle and Goldsmith, 1990
McArdle, J. J. & Goldsmith, H. H. (1990).
Alternative common-factor models for multivariate biometric analyses.
Behavior Genetics, 20, 569-608.

Molenaar and Boomsma, 1987
Molenaar, P. C. M. & Boomsma, D. I. (1987).
Application of nonlinear factor analysis to genotype-environment interaction.
Behavior Genetics, 17, 71-80.

Mood and Graybill, 1963
Mood, A. M. & Graybill, F. A. (1963).
Introduction to the Theory of Statistics (2nd ed.).
New York: McGraw-Hill.

Mulaik et al., 1989
Mulaik, S. A., James, L. R., VanAlstine, J., Bennett, N. Lind, S., & Stilwell, C. D. (1989).
Evaluation of goodness-of-fit indices for structural equations models.
Psychological Bulletin, 105, 430-445.

Muthen, 1987
Muthen, B. O. (1987).
LISCOMP: Analysis of Linear Structural Equations with a Comprehensive Measurement Model.
Mooresville, IN: Scientific Software, Inc.

NAG, 1990
NAG (1990).
The NAG Fortran Library Manual, Mark 14.
Oxford: Numerical Algorithms Group.

Nance and Corey, 1976
Nance, W. E. & Corey, L. A. (1976).
Genetic models for the analysis of data from the families of identical twins.
Genetics, (pp. 811-825).

Neale, 1988
Neale, M. C. (1988).
Handedness in a sample of volunteer twins.
Behavior Genetics, 18, 69-79.

Neale, 1991
Neale, M. C. (1991).
Mx: Statistical Modeling.
Box 3 MCV, Richmond, VA 23298: Department of Human Genetics.

Neale and Eaves, 1992
Neale, M. C. & Eaves, L. J. (1992).
Estimating and controlling for the effects of volunteer bias with pairs of relatives.
Behavior Genetics, in press.

Neale et al., 1989
Neale, M. C., Heath, A. C., Hewitt, J. K., Eaves, L. J., & Fulker, D. W. (1989).
Fitting genetic models with LISREL: Hypothesis testing.
Behavior Genetics, 19, 37-69.

Neale and Martin, 1989
Neale, M. C. & Martin, N. G. (1989).
The effects of age, sex and genotype on self-report drunkenness following a challenge dose of alcohol.
Behavior Genetics, 19, 63-78.

Neale et al., 1986
Neale, M. C., Rushton, J. P., & Fulker, D. W. (1986).
The heritability of items from the eysenck personality questionnaire.
Personality and Individual Differences, 7, 771-779.

Neale and Stevenson, 1989
Neale, M. C. & Stevenson, J. (1989).
Rater bias in the EASI temperament scales: A twin study.
Journal of Personality and Social Psychology, (pp. 446-455).

Ott, 1985
Ott, J. (1985).
Analysis of Human Genetic Linkage.
Baltimore, MD: Johns Hopkins University Press.

Pearson and Hartley, 1972
Pearson, E. S. & Hartley, H. O. (1972).
Biometrika Tables for Statisticians, volume 2.
Cambridge: Cambridge University Press.

Pearson, 1904
Pearson, K. (1904).
On a generalized theory of alternative inheritance, with special references to Mendel's laws.
Phil. Trans. Royal Society A, 203, 53-86.

Plomin and Bergeman, 1991
Plomin, R. & Bergeman, C. S. (1991).
The nature of nurture: Genetic influence on environmental measures.
Behavior and Brain Sciences, 14, 373-397.

Rao et al., 1974
Rao, D. C., Morton, N. E., & Yee, S. (1974).
Analysis of family resemblance II. A linear model for familial correlation.
American Journal of Human Genetics, 26, 331-359.

Rice et al., 1978
Rice, J., Cloninger, C. R., & Reich, T. (1978).
Multifactorial inheritance with cultural transmission and assortative mating. I. Description and basic properties of the unitary models.
American Journal of Human Genetics, 30, 618-643.

Riskind et al., 1987
Riskind, J. H., Beck, A. T., Berchick, R. J., Brown, G., & Steer, R. A. (1987).
Reliability of DSM-III diagnoses for major depression and generalized anxiety disorder using the Structured Clinical Interview for DSM-III.
Archives General Psychiatry, 44, 817-820.

SAS, 1985
SAS (1985).
SAS/IML User's Guide, Version 5 edition.
Cary, NC: SAS Institute.

SAS, 1988
SAS (1988).
SAS/STAT User's guide: Release 6.03.
Cary, NC: SAS Institute, Inc.

Schieken et al., 1989
Schieken, R. M., Eaves, L. J., Hewitt, J. K., Mosteller, M., Bodurtha, J. M., Moskowitz, W. B., & Nance, W. E. (1989).
Univariate genetic analysis of blood pressure in children: the mcv twin study.
American Journal of Cardiology, 64, 1333-1337.

Searle, 1982
Searle, S. R. (1982).
Matrix Algebra Useful for Statistics.
New York: John Wiley.

Silberg et al., 1992
Silberg, J. L., Erickson, M. T., Eaves, L. J., & Hewitt, J. K. (1992).
The contribution of environmental factors to maternal ratings of behavioral and emotional problems in children and adolescents.
(manuscript in preparation).

Spence et al., 1988
Spence, J. E., Corey, L. A., Nance, W. E., Marazita, M. L., Kendler, K. S., & Schieken, R. M. (1988).
Molecular analysis of twin zygosity using VNTR DNA probes.
American Journal of Human Genetics, 43(3), A159 (Abstract).

Spitzer et al., 1987
Spitzer, R. L., Williams, J. B., & Gibbon, M. (1987).
Structured Clinical Interview for DSM-III-R.
New York: Biometrics Research Dept. and New York State Psychiatric Institute.

SPSS, 1988
SPSS (1988).
SPSS-X User's Guide (3rd ed.).
Chicago: SPSS Inc.

Stunkard et al., 1986
Stunkard, A. J., Foch, T. T., & Hrubec, Z. (1986).
The body-mass index of twins who have been reared apart.
New England Journal of Medicine, 314, 193-198.

van Eerdewegh, 1982
van Eerdewegh, P. (1982).
Statistical selection in multivariate systems with applications in quantitative genetics.
Unpublished doctoral dissertation, Washington University, St. Louis.

Vandenberg, 1965
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Genetic and environmental variation in the birthweight of twins.
Behavior Genetics, 19, 151-161.

Vogler, 1982
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Multivariate behavior genetic analyses of correlations vs. phenotypically standardized covariances.
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Vogler, 1985
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Multivariate path analysis of familial resemblance.
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Wright, 1921
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Correlation and causation.
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Wright, 1934
Wright, S. (1934).
The method of path coefficients.
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Wright, 1960
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Wright, 1968
Wright, S. (1968).
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Yule, 1902
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Jeff Lessem 2002-03-21