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Individual strategies in artificial grammar learning

Visser, I., Raijmakers, M. E. J. & Pothos, E. M. (2009). Individual strategies in artificial grammar learning. American Journal of Psychology, 122(3), pp. 293-307.


Artificial Grammar Learning (AGL) has been used extensively to study theories of learning. We argue that compelling conclusions cannot be forthcoming without an analysis of individual strategies. We describe a new statistical method for doing so, based on the increasingly popular framework of latent variable models, which is especially suited to capture heterogeneity in participants’ responses. In the current study, we apply the method of latent class regression models, in which the intercept and regression coefficients can have different values in different latent groups of participants; each latent group represents different reliance on the (potentially) available sources of knowledge in AGL, such as grammaticality and fragment overlap. The results indicate that grammaticality and fragment overlap can be understood as distinct aspects of learning performance, as evidenced by different groups of participants adopting predominantly one or the other strategy in a series of comparable datasets from AGL studies.

Publication Type: Article
Additional Information: Published by University of Illinois Press, Copyright 2009.
Subjects: B Philosophy. Psychology. Religion > BF Psychology
P Language and Literature > P Philology. Linguistics
Departments: School of Health & Psychological Sciences > Psychology
SWORD Depositor:
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