Leher Singh|J. Steven Reznick|Liang Xuehua
Infant word segmentation and childhood vocabulary development: a longitudinal analysis
National University of Singapore|National University of Singapore
abstract infants begin segment novel words speech 75 months demonstrating ability track encode retrieve words context larger units although presumed word recognition stage prerequisite constructing vocabulary continuity stages development yet empirically demonstrated goal present study investigate whether infant word segmentation skills indeed related later lexical development two word segmentation tasks varying complexity administered infancy related childhood outcome measures outcome measures consisted agenormed productive vocabulary percentiles measure cognitive development results demonstrated strong degree association infant word segmentation abilities 7 months productive vocabulary size 24 months addition outcome groups defined median vocabulary size growth trajectories 24 months showed distinct word segmentation abilities infants findings provide first prospective evidence supporting predictive validity infant word segmentation tasks suggest indeed associated mature word knowledge video abstract article viewed httpwwwyoutubecomwatchvjxzli5olzq8