The development of multiplicative classificatory skills in children between 4 and 9 years of age was investigated by means of two forms of the matrix-completion task. (Authors)

Very little cognitive development research has been done among African children, and most of the completed studies have relied on "translated" versions of Western test materials that are inappropriate to the African milieu. This paucity of research has had two affects: (1) rural African children have been represented as somewhat less…

Research on reading has tried, and failed, to account for wide disparities in reading skill even among children taught by the same method. Why do some children learn to read easily and quickly while others, in the same classroom and taught by the same teacher, don't learn to read at all? In "Language Development and Learning to Read", Diane…