Being able to see a talking face confers a considerable advantage for speech perception in adulthood. However, behavioural data currently suggest that children fail to make full use of these available visual speech cues until age 8 or 9. This is particularly surprising given the potential utility of multiple informational cues during language…

Decades of research have demonstrated that deaf children generally lag behind hearing peers in terms of academic achievement, and that lags in some areas may never be overcome fully. Hundreds of research and intervention studies have been aimed at improving the situation, but they have resulted in only limited progress. This paper examines…

The longitudinal interrelations among age, visual and auditory short-term memory, and the concrete operational tasks of class inclusion and combinatorial reasoning were investigated over four testing occasions in a sample of 134 students, initially ranging from 5 to 12 years in age. The Piagetian task battery involved placement of colored…