| conservation | R Documentation |
This data set is from a conservation of liquid task adminstered to 101 children aged 6-10, measured at 5 occasions. The data provided here are those analyzed in Schmittmann et al. 2005 in Illustration 1, which is part of a larger data set described Van der Maas, 1993.
data(discrimination)
A data frame with 101 rows with 6 variables:
sexa factor giving the sex of the participants.
r1participant responses at measurement occascion 1.
r2participant responses at measurement occascion 2.
r3participant responses at measurement occascion 3.
r4participant responses at measurement occascion 4.
r5participant responses at measurement occascion 5.
van der Maas, H. L. J.. (1993). Catastrophe analysis of stagewise cognitive development: Model, method and applications. Doctoral dissertation (Dissertatie reeks 1993-2), University of Amsterdam.
Schmittmann, V. D., Dolan, C. V., van der Maas, H. L., & Neale, M. C. (2005). Discrete latent Markov models for normally distributed response data. Multivariate Behavioral Research, 40(4), 461-488.
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