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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Raijmakers, Maartje E. J.; Jansen, Brenda R. J.; van der Maas, Han L. J. – Developmental Review, 2004
Rule use in perceptual classification was investigated in adults and in 4- to 12-year-old children. Two studies of performance on triad classification tasks with large samples (N=226 and N=328) are presented to (a) contrast theoretical predictions from the holistic-to-analytic-shift theory (Smith & Kemler, 1977) and the differential-sensitivity…
Descriptors: Classification, Adults, Children, Perceptual Development
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Jansen, Brenda R. J.; Van der Maas, Han L. J. – Developmental Review, 2001
Two experiments used a formal model of developmental discontinuity derived from catastrophe theory to test whether the transition from Rule I to Rule II on the balance scale task proceeds discontinuously from ages 6 to 10, focusing on five catastrophe flags. Found that bimodality, inaccessible region, hysteresis, and sudden jump were clearly…
Descriptors: Child Development, Children, Cognitive Development, Developmental Continuity
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Jansen, Brenda R. J.; van der Maas, Han L. J. – Developmental Review, 1997
Used latent class analysis to test statistically Siegler's rule assessment methodology, the number of rules needed to fit a set of data. Found that rules can be identified, that some are different from those proposed by Siegler, the correct rule is not acquired by subjects, and that the rules in the transitional period are difficult to identify.…
Descriptors: Child Development, Children, Cognitive Development, Cognitive Processes