Background: Determination of causal connections between parental measures and child
outcomes using typical samples is limited by the inability to account for all confounds, both …

The linear structural model has provided the statistical backbone of the analysis of twin and
family data for 25 years. A new generation of questions cannot easily be forced into the …

Background: Friendship and sibling relationships differ in that there is an element of choice
in friendships, whilst the latter represent a fixed and given relationship. The present study set …

IS NATURE EVER EVIL?: Religion, science and value Page 1 Page 2 Moral names are often
flung at nature. From Noah’s Flood to Shakespeare, from anthropo- morphic magic to religious …

Most analyses of data collected from a classical twin study of monozygotic (MZ) and
dizygotic (DZ) twins assume that zygosity has been diagnosed without error. However, large …

The aim of this study is to quantify the genetic and environmental variation in isometric and
explosive strength (power) in children and adolescents, using structural equation models …

We compare Bayesian methodology utilizing free-ware BUGS (Bayesian Inference Using
Gibbs Sampling) with the traditional structural equation modelling approach based on …

Studies of religion and values have revealed the complex genetic and social factors that
shape many aspects of humanity that were once regarded as outside the scope of scientific …

Genetic analysis of quantitative traits is applied in a wide variety of substantive research
areas. Many human characteristics exhibit continuous variation, such as height, weight …

Homocysteine (hcy) is a sulfur-containing, non-proteinogenic amino acid. Elevated levels of
homocysteine are influenced by numerous genetic and environmental factors and have …