Martin has the genotype to grow to be 6'3" tall, but his family is poor and he is malnourished as a child. As a result, he only grows to be 5'11". The difference between Martin's genotype and his phenotype can be explained by the concept of __________

Games like pat-a-cake and peekaboo

A) tend to confuse children and may actually delay pragmatic development. B) hinder the transition from preverbal to verbal communication. C) foster infants' understanding of the turn-taking pattern of human conversation. D) facilitate children's understanding of illocutionary intent.

The research-practice continuum starts with ____

a. applied research b. implementation research c. basic research d. policy research