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.
Language acquisition occurs through a number of stages: 1  Babbling: The first stage of language development is known as the prelinguistic, babbling or cooing stage.  Single Words: The second stage is known as the one-word or holophase stage of language development.