This study examined the relationship between prelinquistic vocalization and expressive vocabulary one year later in 58 toddlers (ages 17- to 34-months old). Rate of vocalizations, rate of vocalizations with consonants, and rate of vocalizations used interactively were all positively related to later expressive vocabulary. (Author/DB)

This study used an intact group comparison to examine attention following in 34 children aged 2 years diagnosed with autism spectrum disorder (ASD) matched pairwise for vocabulary comprehension with a group of typically developing toddlers. For both groups of children, the presence of verbal labels during a referential task increased attention to…

This study evaluated the effectiveness of Prelinguistic Milieu Teaching for toddlers (n=39) with intellectual disabilities and responsivity education for their parents as a means of facilitating children's communication and language production skills. Comparison of parent child pairs receiving or not receiving the intervention found the…

A study involving 58 children (17 to 36 months) with developmental disabilities in the prelinguistic period of development and their mothers found that the relationship between intentional communication and later language was, in part, due to covarying relationships with maternal responsivity. (Author/CR)

A study tested the relationship between prelinguistic pragmatic functions and later expressive vocabulary of 58 toddlers with mild to moderate developmental delays. Results indicate that rate of joint attention and rate of communication were statistically significant predictors of later expressive vocabulary. Rate of behavior regulation was not a…