Late language emergence (LLE) may result from genetic and environmental factors. Little is known about environmental factors in LLE in South Africa. The study describes the nature of differences in language functioning between toddlers with LLE and without LLE, and which factors were associated with LLE in a middle-income area in South Africa.…

Preschoolers' vocabulary acquisition sets the stage for later reading ability and school achievement. This study examined the role of socioeconomic status (SES) and the quality of the home environment of seventy-seven Chilean majority and Mapuche minority families from low and lower-middle-class backgrounds in explaining individual differences in…

A large linguistic distance exists between spoken Arabic and the Modern Standard Arabic (MSA) the literary language (a diglosia). Novice readers, therefore, struggle with the complex orthography of Arabic as well as the mastering of MSA. Here, we tested whether structured activities in MSA would advance kindergarteners' MSA aptitude by the end of…

This study investigated the role of gender plays in the relation between children's theory of mind (ToM) and persuasion. We explored children's use of the belief information of the characters involved within a persuasive situation. In two studies, children (four- to eight-year-olds) performed a comic strip task that described a…

This study examined the relationship between attention problems and expressive language and academic readiness skills in preschool-aged children from middle-class families. Forty-three children (44% female) were assessed individually for expressive language skills and knowledge of basic academic concepts (e.g. colours, letters and numbers). The…

This study compared language skills in a group of very low-income toddlers with those of a middle-income sample matched on age and sex. The assessment instrument used was the MacArthur Communicative Development Inventory for toddlers, a parent report form. Scores for low-income group were strikingly lower on three key indices evaluated: size of…

This paper reports findings of a main study and a corollary study designed to clarify the relationship between interpersonal and intrapersonal language by examining the spontaneous classroom interpersonal verbal output of children 4-5 years old in relation to social class and intelligence. The report presents (1) preparation of the data of the…