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Dubossarsky, Haim; De Deyne, Simon; Hills, Thomas T. – Developmental Psychology, 2017
We investigate how the mental lexicon changes over the life span using free association data from over 8,000 individuals, ranging from 10 to 84 years of age, with more than 400 cue words per age group. Using network analysis, with words as nodes and edges defined by the strength of shared associations, we find that associative networks evolve in a…
Descriptors: Network Analysis, Language Acquisition, Lifelong Learning, Age Groups
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Mun, Eun Young; von Eye, Alexander; Bates, Marsha E.; Vaschillo, Evgeny G. – Developmental Psychology, 2008
Model-based cluster analysis is a new clustering procedure to investigate population heterogeneity utilizing finite mixture multivariate normal densities. It is an inferentially based, statistically principled procedure that allows comparison of nonnested models using the Bayesian information criterion to compare multiple models and identify the…
Descriptors: Metabolism, Cues, Alcohol Abuse, Multivariate Analysis