Purpose: The extant literature suggests that individual differences in speech perception can be linked to broad receptive language phenotype. For example, a recent study found that individuals with a smaller receptive vocabulary showed diminished lexically guided perceptual learning compared to individuals with a larger receptive vocabulary. Here,…

PURPOSE: This research determined the psychometric quality of a criterion-referenced measure that was thought to measure preschoolers' print-concept knowledge (PCK). METHOD: This measure, titled the Preschool Word and Print Awareness (PWPA), was examined using the partial credit model (PCM) to determine its suitability for use by clinicians,…

Three studies assessing language comprehension of infants and toddlers through a method requiring a minimum of motor movement, no speech production, and differential visual fixation of two simultaneously presented video events provide insight into children's emerging linguistic capabilities and help resolve controversies about language production…