Jul 15, 2015
> The scientific study of human development seeks to understand and explain how and why people change throughout life.
> This includes all aspects of human growth, including physical, emotional, language, social, perceptual, and personality development.
Some Characteristics:•Uses one or more words with meaning (this may be a fragment of a word)•Understands simple instructions, especially if vocal or physical cues are given•Is aware of the social value of speech