The international Education for All initiative to bring about universal primary education has resulted in large enrollment increases in lower income countries but with limited outcomes. Due to scarcity in material and human resources, all but the better off often fail to learn basic skills. To improve performance within the very limited capacities…

Recent studies have reported that preverbal infants are able to discriminate between numerosities of sets presented within a particular modality. There is still debate, however, over whether they are able to perform intermodal numerosity matching, i.e. to relate numerosities of sets presented with different sensory modalities. The present study…