Zusammenfassung der Ressource
Behavioural Genetics
- Hans Jürgen Eysenck
- Was the lead author on a publishes study about whether neuroticism is inherited.
- His test was a twin study. Where he used 25 pairs of fraternal twins and 25 pairs of identical twins.
- Identical twins have the same genes
- Fraternal twins have only about half the same genes.
- Eysenck's study found that neuroticism seemed to be overwhelmingly determined by genetics with about
80% stemming from biological factors and only 20% from environmental ones.
- Neuroticism
- A general tendency to experience negative emotions.
- Extend to which traits are inherited.
- Family studies, Twin studies and Adoption studies.
- Concordance rates is where it indicates the
proportions of pairs in given studies in which
both idividuals exhibit the trait in question.
- A Correlation Coefficient measures the extent to which the prevalence of
a trait in one person match or diverges from the prevalence of the same
trait in another.