language and communication
child language
crying
applied linguistics
mental development and functions
child development
educational and child assessment
concepts
language development
Language development relates to the processes involved in the acquired, or untaught, ability of human beings to understand and produce speech communication. The study of the development of language ability encompasses many fields of inquiry, including linguistics, sociolinguistics, behavioral psychology, and speech and language proficiency. [Source: Encyclopedia of Identity; Language Development]
developmental psychology