Podcast
Questions and Answers
What is the purpose of using univariate twin models in research?
What is the purpose of using univariate twin models in research?
To estimate the sources of variance in a trait.
In the context of twin studies, what do genetic correlations represent?
In the context of twin studies, what do genetic correlations represent?
Overlap in underlying genetic factors.
What questions can be addressed using a multivariate genetic design?
What questions can be addressed using a multivariate genetic design?
Questions about the possible common aetiology of different traits.
What is the range of environmental correlations between traits?
What is the range of environmental correlations between traits?
Signup and view all the answers
How can the ACE model be extended to study the longitudinal development of multiple traits?
How can the ACE model be extended to study the longitudinal development of multiple traits?
Signup and view all the answers
What does the ACE model stand for in the context of twin studies?
What does the ACE model stand for in the context of twin studies?
Signup and view all the answers
What does higher MZ than DZ correlations indicate in the univariate twin model?
What does higher MZ than DZ correlations indicate in the univariate twin model?
Signup and view all the answers
Explain pleiotropy in the context of genetic research.
Explain pleiotropy in the context of genetic research.
Signup and view all the answers
What do sources of co-occurrence and comorbidity imply about the presence of genes?
What do sources of co-occurrence and comorbidity imply about the presence of genes?
Signup and view all the answers
In studying comorbidity with latent factor models, what is the norm according to the Dunedin study?
In studying comorbidity with latent factor models, what is the norm according to the Dunedin study?
Signup and view all the answers
What can cross lag effects in twin studies indicate?
What can cross lag effects in twin studies indicate?
Signup and view all the answers
How can different conditions benefiting from similar intervention approaches be explained?
How can different conditions benefiting from similar intervention approaches be explained?
Signup and view all the answers
What is the purpose of the cross-lag panel model in studying the longitudinal development of multiple traits?
What is the purpose of the cross-lag panel model in studying the longitudinal development of multiple traits?
Signup and view all the answers
In a study focusing on the longitudinal stability of hyperactivity/impulsivity, what percentage of variance in baseline level was explained by additive genetic influences?
In a study focusing on the longitudinal stability of hyperactivity/impulsivity, what percentage of variance in baseline level was explained by additive genetic influences?
Signup and view all the answers
What percentage of the variance in linear systematic change (slope) in hyperactivity/impulsivity was explained by additive genetic influences?
What percentage of the variance in linear systematic change (slope) in hyperactivity/impulsivity was explained by additive genetic influences?
Signup and view all the answers
What can be compared by looking at within-twin cross-trait correlations?
What can be compared by looking at within-twin cross-trait correlations?
Signup and view all the answers
What percentage of the additive genetic influences on linear systematic change in hyperactivity/impulsivity were shared with the baseline level?
What percentage of the additive genetic influences on linear systematic change in hyperactivity/impulsivity were shared with the baseline level?
Signup and view all the answers
