Compare and contrast the early studies of Wellman, Poole, and Templin with one of the more current views (biological, prosodic, cognitive, natural phonology, structuralist, behaviorist, self organizing theory) of phonological development. How does culture influence phonological development according to the perspective you chose? What makes the perspective you chose more helpful in understanding phonological development than the earlier studies of Wellman, Poole, and Templin?