This mixed two-way experimental, cross-sectional study investigated fast-mapping (FM) of novel nouns and verbs in 63 Persian-speaking toddlers aged 30 months, including 31 late-talking (LT) and 32 typically developing (TD) matched with respect to age and maternal education. Toddlers were classified as LT if they had limited expressive vocabulary…

In a simultaneous bilingual education, there are many factors that can affect its success, primarily the age of the child and socio-cognitive elements. This phenomenon can be initially studied in the first lexical productions of either language in a child. The present study focuses on the early lexical developments of a child, who lives in the…