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Holt, Anna E.; Deák, Gedeon – Journal of Cognition and Development, 2015
In simple rule-switching tests, 3- and 4-year-olds can follow each of two sorting rules but sometimes make perseverative errors when switching. Older children make few errors but respond slowly when switching. These age-related changes might reflect the maturation of executive functions (e.g., inhibition). However, they might also reflect…
Descriptors: Cues, Task Analysis, Executive Function, Control Groups
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Cummings, Alycia E.; Barlow, Jessica A. – Clinical Linguistics & Phonetics, 2011
The goal of this research programme was to evaluate the role of word lexicality in effecting phonological change in children's sound systems. Four children with functional speech sound disorders (SSDs) were enrolled in an across-subjects multiple baseline single-subject design; two were treated using high-frequency real words (RWs) and two were…
Descriptors: Language Processing, Generalization, Phonology, Diagnostic Tests