We evaluated the long-term effects of a supplemental, small-group kindergarten vocabulary intervention in fall and spring of first grade and winter of second grade. Participants included students from two studies, an initial efficacy study and a subsequent replication study, identified as at risk for language and learning difficulties, who were…

Research has investigated how lexical-semantic and participant factors impact word learning in young children and adults. However, limited information pertaining to expressive vocabulary development exists for school-aged bilinguals--particularly those with developmental language disorder (DLD). Cross-linguistic differences in the semantic…

We investigated the role of linguistic and cognitive processes in reading precocity from kindergarten to grade 2. A sample of 33 precocious readers was identified that did not differ on age, gender, and parental education to a control group of 259 typical readers. The effects of verbal ability were also controlled. All children were administered a…

This study examines vocabulary growth rates in first and second languages for Spanish-speaking and Cantonese-speaking English language learners from kindergarten through second grade. Growth-modeling results show a within-language effect of concepts about print on vocabulary. Language exposure also had an effect on English vocabulary: earlier…

Autism spectrum disorders (ASD) are associated with many different levels of language and social impairment, differences in levels of cognitive impairment, varying levels of aberrant behavior, and discrepancies in the presence or amount of restrictive and repetitive behavior. The heterogeneity found within the ASD population is coupled with…

The authors examined (a) the extent to which kindergarten estimates of core language functions predicted teacher ratings of behavior problems in each of the child's first 4 years of elementary school and (b) the ability of core language measures to predict concurrent behavior problems at each of the early elementary school grades studied.…