A background check or background investigation is the process of looking up and compiling criminal records, commercial records and financial records of an individual or an organization. Contents.
The environment a child develops in has influences on language development. The environment provides language input for the child to process. Speech by adults to children help provide the child with correct language usage repetitively.
Infant vocalization or babbling is a stage in child language acquisition, during which an infant appears to be experimenting with making the sounds of language, but not yet producing any recognizable words. Babbling begins around 5 to 7 months of age, when a baby's noises begin to sound like phonemes.