Modelling psychiatric measures using Skew-Normal distributions

Data from psychiatric research frequently exhibit departures from Normality. Methods which utilise the data optimally to model the distribution directly are available. We highlight the issue of modelling skewness, resulting from screening instruments where the majority of respondents are healthy ind...

Descripción completa

Detalles Bibliográficos
Autores principales: Counsell, N., Cortina-Borja, M., Lehtonen, A., Stein, A.
Formato: Texto
Lenguaje:English
Publicado: Editions scientifiques Elsevier 2011
Materias:
Short Communication
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3080602/
https://www.ncbi.nlm.nih.gov/pubmed/21036551
http://dx.doi.org/10.1016/j.eurpsy.2010.08.006
Descripción
Sumario:Data from psychiatric research frequently exhibit departures from Normality. Methods which utilise the data optimally to model the distribution directly are available. We highlight the issue of modelling skewness, resulting from screening instruments where the majority of respondents are healthy individuals and few participants have a value reflecting particular disorders.

Ejemplares similares