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Mental Arithmetic and Interactivity: the Effect of Manipulating External Number Representations on Older Children’s Mental Arithmetic Success

Manipulative artefacts are considered useful scaffolds of arithmetic during early years education, but their use is considered less important as children get older. Yet adult arithmetic performance often recruits artefacts to improve accuracy and efficiency, and so the same benefits should accrue to children beyond early years. We propose that interacting with manipulatives...

Parent-Reported Communication Abilities of Children with Sotos Syndrome: Evidence from the Children’s Communication Checklist-2

Sotos syndrome is a congenital overgrowth syndrome associated with intellectual disability. This study investigated communicative abilities of children with Sotos syndrome (n = 31), using the Children’s Communication Checklist, second edition. A cross-syndrome approach was used to establish the specificity of these abilities. Children with Williams syndrome (n = 34) were used as...

Williams syndrome and its cognitive profile: the importance of eye movements

Williams syndrome and its cognitive profile: the importance of eye movements Jo Van Herwegen Department of Psychology, Kingston University London, Surrey, UK Abstract: People with Williams syndrome