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Dolan, Conor V.; Jansen, Brenda R. J.; van der Maas, Han L. J. – Multivariate Behavioral Research, 2004
We present the results of multivariate normal mixture modeling of Piagetian data. The sample consists of 101 children, who carried out a (pseudo-)conservation computer task on four occasions. We fitted both cross-sectional mixture models, and longitudinal models based on a Markovian transition model. Piagetian theory of cognitive development…
Descriptors: Cognitive Development, Piagetian Theory, Multivariate Analysis, Longitudinal Studies