Child, Preschool Humans 18 human 18 preschool child 18 female 15 male 15 phonetics 14 Female 13 Male 13 Phonetics 13 child 11 Child 7 Language Development Disorders 7 developmental language disorder 7 physiology 7 speech 7 language development 6 Speech Production Measurement 5 Speech Sound Disorder 5 pathophysiology 5 psychology 5 speech analysis 5 speech sound disorder 5 Child Language 4 Speech 4 Speech Acoustics 4 adult 4 article 4 human experiment 4 Acoustic Stimulation 3