Index

ACE model

1 | 1 | 4 | 4 | 1 | 1 | 1

ACE@ model

6

additive genetic

covariance@ matrix

1

deviations

1

value

1

variance

2 | 2

additive@ genetic

variance

6

ADE model

1 | 6 | 1 | 1

AE model

6 | 4 | 1

AE@ model

1

age effects

4

age-correction

4

age-correction model

4

AIC

see Akaike Information
Criterion

Akaike Information
@ Criterion

2

Akaike Information
Criterion

2

alcohol

3

allele

1

American Association of Retired
Persons twin@ registries

4

ascertainment

5

assortative mating

3 | 1 | 4

asymptotically distribution free

methods

5

atopic symptoms

5

Australian@ NH&MRC twin register

2

basic genetic model

1

BETA matrix

1

between-family environment

see
shared environment

binary data

see ordinal data

biometric factors model

see @
independent pathway model

biometric model

2

biometrical genetical approach

3 | 5

biometrical genetics

4 | 3

biserial correlation

4

bivariate genetic model

4

bivariate normal distribution

2

BMI

see body mass index

body mass index

2 | 4

Boker, Steven M

4 | 2

Boomsma, Dorret I

5

breeding experiments

2

broad heritability

1

Browne, Michael W

5

Cardon, Lon R

2

Carey, Gregory

2 | 1 | 2

Carey,@ Gregory

1

Cattell, Raymond

1

causal closure

3

Cavalli-Sforza, Luigi

2 | 4

CBC

see Child Behavior Checklist

CE model

6 | 6

CE@ model

1

centrality parameter

4

Child Behavior Checklist

5

cholesky decomposition

2 | 3

cholesky factorization

2

classical twin study

6 | 4

classical twin@ study

1

Cloninger, Robert C

4 | 5

coefficient

correlation

1 | 2

path

1 | 2

regression

1

common effects
sex-limitation model

1

common effects G $\times$ E
interaction model

2

common environment

see
shared environment

common pathway model

2 | 2

competition effects

2 | 2

competition@ effects

3

contingency table

2

contingency@ table

3

continuous data

1 | 2 | 2

contrast effects

see
competition effects

cooperation effects

2 | 3 | 2

correlated variable

assortment

1

transmission

2

correlation

2

coefficient

1

biserial

4

polychoric

4

polyserial

4

product moment

4

tetrachoric

4

covariance

1 | 2

structure

1

structure analysis

2

covariance matrix

expected

4

observed

4

covariation

1 | 4 | 1

cross-lagged panel design

2

data matrix

2

degrees of freedom

2 | 1

Delusions-Symptoms States@
Inventory

2

dependent variables

3

dependent@ variables

2

depression

2

developmental change and continuity

3

deviation phenotypes

7 | 2

direction of causation

2

disturbance terms

see
error variances

dizygotic twins

2 | 6

reared apart

2

reared together

6

dizygotic@ twins

reared apart

6

reared together

1 | 2

dominance

1

deviations

1 | 1

variance

2 | 2 | 6

double-headed arrow

2

DZ

see dizygotic twins

E model

6 | 1

Eaves, Lindon

1 | 1 | 2 | 2 | 2 | 2 | 3 | 4 | 5 | 8 | 9 | 1 | 1 | 1 | 1 | 4 | 3

endogenous@ variables

see
dependent variables

environmental correlation

1

environmental effects

between families

2

within families

2

environmental exposure

3

concordant for exposure

3

concordant@ for non-exposure

3

environmental@ exposure

discordant for exposure

3

epidemiological approach

3

epistasis

1 | 4 | 6

equal environments assumption

1

equality of means

7

error variances

2

exogenous variable

see @
independent variables

expected covariance

4 | 1 | 2

expected twin covariances

1 | 1

equal gene frequencies

1

numerical illustration

2

unequal gene frequencies

2

expected twin@ covariances

6

expected variance

4 | 1 | 2

expected@ covariance

1

factor analysis

5

correlations

2

error variances

2

loadings

2 | 2

pattern

1

scores

2

factor-analytic approach

5

factor@ analysis

structure

1

Falconer, D S

1 | 1 | 1 | 2

family environment

see
shared environment

feedback loop

5

feedback@ loop

2

Feldman, Marcus

4

Feldman,@ Marcus

2

Fisher, Ronald

1 | 3

Fisher, Ronald A

3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 1 | 1 | 1 | 2 | 2 | 4

FORTRAN format

3

Fulker, David W

3 | 5 | 5 | 5 | 5 | 4 | 2 | 5 | 5 | 2

Galton, Francis

2

gamete

2

gametic crosses

2

gene

1

gene frequencies

2 | 2

general G $\times$ E interaction model

1

general sex-limitation@ model

1

genetic cholesky model

2

genetic correlation

1

genetic effects

additive

1

non-additive

1

genetic environment

2

genetic factor model

multiple

4

environmental correlations

1

genetic correlations

1

simple

3

second common factor

4

single common factor

3

genotype

1

genotype $\times$ environment interaction

1

genotype $\times$ environment interaction model

3

genotype $\times$ environment interaction model

general

1

genotype $\times$ environment interaction model

common effects

2

genotype $\times$ environment interaction model

scalar effects

3

genotype $\times$ environment@ interaction

3

genotype $\times$ environment interaction

3

genotype $\times$ environment interaction

scalar

3

genotype $\times$ environment interaction

non-scalar

3

genotype $\times$ environment@ interaction

1

genotype $\times$@ age-cohort
interaction

2

genotype-environment

autocorrelation

2

correlation

3 | 2 | 1

covariance

3

genotype-environment effects

assortative mating

1

correlated variable

assortment

1

transmission

2

G $\times$ E interaction

3

genotype-environment

autocorrelation

2

correlation

2

latent variable assortment

1

phenotypic assortment

1

sibling effects

2

social homogamy

1

stabilizing selection

2

genotypic

effects

1 | 2

mean

2 | 2

variance

2 | 2

frequencies

2 | 2

values

1 | 2

Heath, Andrew C

1 | 1 | 1 | 2 | 5 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3

heritability

broad

6

narrow

6

heterogeneity

of means

7

of variances

8

of@ means

8

heteroscedasticity

2

heterozygote

1 | 1

Hewitt, John K

4 | 1 | 5 | 5 | 5

homozygote

1 | 1

hypothesis testing

5

identification

7

combined parameters

7

model

7

numerical approach

7

parameter

7

imitation effects

see
cooperation effects

IMSL

2

inbreeding

1

independent pathway model

1

independent variables

3

independent@ variables

2

Jinks, John L

3 | 1 | 2 | 3 | 3 | 4 | 5 | 1 | 1 | 2 | 6 | 5 | 1 | 2

Jinks, John@ L

1

Jöreskog, Karl G

5 | 5 | 5 | 5

Kendler, Kenneth S

2 | 1 | 3 | 3 | 1 | 1 | 1 | 1 | 2

latent variable assortment

1

latent variables

2 | 6

law of independent assortment

2

law of segregation

2

liability

see multivariate normal,
liability distribution

likelihood

5

likelihood ratio test

6 | 4

linear regression

5

direct effect

5

indirect@ effects

5

linear structural model

1

linear structural@ model

1

linear@ regression

cause

5

common cause

5

linearity

3

linkage analysis

1

LISCOMP

5

LISREL

5

locus

1

major depressive disorder

1

manifest@ variables

see
observed variables

marital status

2

Martin, Nicholas G

5 | 5 | 2 | 5 | 4 | 4 | 4 | 1 | 1 | 3 | 3

Martin,@ Nicholas G

5

Mather, Kenneth

3 | 1 | 3 | 4 | 1 | 1 | 1 | 2 | 1 | 2

Mather,@ Kenneth

6

matrix

addition

1

cofactor

2

correlation

1

covariance

1

data

2 | 1

definiteness

negative

2

positive

2

determinant

2

diagonal

2

dimensions

2

identity

2

inner product

2

inverse

4 | 7

multiplication

2

null

2

order

2

scalar

2

singular

2

square

2

subtraction

1

trace

3

transformation

2

transpose

1

unit

2

vector

2

matrix algebra

4

applications

5

equations

4

operations

3

binary

1

unary

2

Maximum Likelihood

5

McArdle, J Jack

5 | 2 | 1 | 2 | 2

McArdle, J@ Jack

4

mean

4 | 1

mean squares

2

measured variables

see @
observed variables

measurement error

1

measurement@ error

8

Medical College of Virginia
Twin Study

3

Mendel, Gregor

2 | 2

Mendelian@ genetics

1

model building

3

model fitting

3

Molenaar, Peter C

5

monozygotic twins

2 | 6

reared apart

6

reared together

6

reared@ together

1

monozygotic@ twins

reared apart

2

reared together

2

Morton, Newton E

4 | 5

multiple genetic factor model

4

multiple indicators

1

multiple rating data

1

multiple@ indicators

8

multivariate genetic analysis

5 | 10

multivariate genetic factor model

1

common pathway model

5

genetic cholesky model

2

independent pathway model

5

multivariate genetic model

2 | 2 | 3

multivariate normal

liability distribution

bivariate

2

univariate

1

Muthén,@ Bengt O

3 | 5

Mx

2 | 3 | 5 | 5 | 5 | 2

Mx output

4

goodness-of-fit@ statistics

4

parameter estimates

4

parameter specifications

4

standardized parameter estimates

4

Mx script

3

algebra section

3

calculation group

3

data section

3

matrices declaration

3

model specification

3

title

3

mx scripts

options

3

MZ

see monozygotic twins

NAG

2

Nance, Walter E

2

Neale, Michael C

5 | 1 | 3 | 3 | 4 | 8 | 9 | 3 | 1 | 1 | 4 | 1 | 5 | 5 | 2 | 2 | 2 | 1 | 6

Neale,@ Michael C

2

non-central chi-squared@ distribution

4

non-scalar

G $\times$ E interaction

3

sex-limitation

1

normal distribution assumption

3

observed statistics

2

observed variables

2

observer ratings

11

paternal

1

observer@ ratings

maternal

1

one-way arrow

see @
single-headed arrow

ordinal data

1 | 3

liability

1

thresholds

1

parameter estimation

5

parameters

2

parsimony

1

path analysis

4 | 1

assumptions

3

causal closure

3

conventions

2

tracing rules

4

standardized variables

1 | 1

unstandardized variables

2 | 2

path coefficients model

1 | 1 | 3

path coeffients

2

path diagram

1 | 4 | 5 | 6

dependent variables

2

independent variables

2

latent variables

2

observed@ variables

2

paths

2

causal

1

correlational

1

single-headed@ arrow

2

path-analytic approach

5

path@ analysis

assumptions

linearity

3

unitary variables

3

path@ coefficients model

6

path@ diagram

double-headed arrow

2

Pearson, Karl

3

Pearson,@ Karl

2

phenotype

1

phenotypic factor model

2

confirmatory factor model

1

exploratory factor model

1

pleiotropy

1 | 1 | 1

polychoric correlation

4 | 5

polygenic model

3

polygenic system

1

polyserial correlation

4 | 5

power

7

contributing factors

2

power analysis

3

continuous data

4

ordinal data

5

power calculation

3

PRELIS

1 | 3 | 5 | 5

primary phenotypic assortment

1

product moment correlation

4

psychometric factors model

see
common pathway model

psychometric model

2

Punnett square

2

Punnett, Reginald

2

quantitative genetics

3

RAMPATH

4

random environment

2

random environmental

variance

6

random mating

2 | 1

random@ environmental

covariance matrix

1

deviations

1

Rao, D C

1

Rao, DC

5

rater bias

2

parental

2

rater bias model

1

rating data model

biometric

3

psychometric

2

rater bias

1

raw data

1

recursive model

1 | 1

regression models

5

Reich, Ted

4

residual variables

2

Rice, John

4

sample size

7

SAS

1 | 1 | 2

scalar

G $\times$ E interaction

3

sex-limitation

1

scalar effects
sex-limitation model

2

scalar effects G $\times$ E
interaction model

3

segregation@ analysis

1

sex-limitation

1 | 1

non-scalar

1

scalar

1

sex-limitation model

2

common effects

1

general

1

scalar effects

2

shared environment

2

shared environmental

deviations

1

shared@ environmental

variance

6

sibling effects

2

competition

2 | 3

cooperation

2

sibling interaction

1

sibling interaction model

3

sibling shared environment

2

sibling@ effects

competition

2

cooperation

3 | 2

sibling@ interaction

1

significance test

6 | 2

significance@ test

3

simple genetic factor model

3

simple genetic model

6

single-headed arrow

2

singleton twins

8

singleton@ twins

concordant-participant pairs

8

discordant-participant twins

8

skinfold measures

3

social homogamy

1

social interaction

1 | 1

Sörbom, Dag

5 | 5

Spearman, Charles

1 | 3

special MZ twin environment

2

special twin environment

2

specific environment

see
random environment

specific variances

see @
error variances

SPSS

1

stabilizing selection

2

standard deviation

1

standardized variables

1

structural equations

1

sufficient statistic

1

summary statistics

1

correlation coefficient

1

covariance

1

mean

1

mean squares

2

standard deviation

1

variance

1

weight matrix

5

tetrachoric correlation

4 | 5

threshold

1

Thurstone, LL

5

tracing rules

4

transformation

2

triangular decomposition

see
cholesky decomposition

twin design

1 | 6 | 1

twin pairs

dizygotic

2 | 2

like-sex

1

opposite-sex

2 | 1 | 1

female

1

male

1

monozygotic

2 | 2

like-sex

1

twin@ design

1

two-way arrow

see
double-headed@ arrow

type II error

3

ultimate@ variables

see
independent variables

unique environment

see
random environment

unique variances

see
error variances

unitary variables

3

univariate genetic analysis

6

univariate genetic@ model

1

univariate normal distribution

1

unmeasured@ variables

see
latent variables

unreliability

2 | 1

unstandardized variables

2

variables

continuous

4

dichotomous

4

polychotomous

4

standardized

1

unstandardized

2

variance

1 | 2

variance components model

6 | 2 | 5

variance components@ model

1

variation

2 | 1 | 6 | 4 | 1

vertical cultural transmission

see
cultural transmission

Vogler, G.P

1

weight matrix

5

within-family environment

see
random environment

Wright, Sewall

3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 1 | 3 | 3 | 4 | 1 | 1

Yee, S

5

zygosity diagnosis

1