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Bartels, Meike; Boomsma, Dorret I.; Hudziak, James J.; van Beijsterveldt, Toos C. E. M.; van den Oord, Edwin J. C. G. – Psychological Methods, 2007
Genetically informative data can be used to address fundamental questions concerning the measurement of behavior in children. The authors illustrate this with longitudinal multiple-rater data on internalizing problems in twins. Valid information on the behavior of a child is obtained for behavior that multiple raters agree upon and for…
Descriptors: Twins, Behavior Problems, Genetics, Error of Measurement
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Neale, Michael C.; And Others – Multivariate Behavioral Research, 1994
In studies of relatives, conventional multiple regression may not be appropriate because observations are not independent. Obtaining estimates of regression coefficients and correct standard errors from these populations through a structural equation modeling framework is discussed and illustrated with data from twins. (SLD)
Descriptors: Analysis of Covariance, Causal Models, Data Collection, Error of Measurement