Blue ink = class lecture on that particular slide or topic that was not on the slide. Red ink = examples related to that particular topic. Development psychology: the study of continuity and change across the life span on different dimensions. (broad approach to development) Child psychology looks at the children along every dimension at different ages. From birth adulthood or birth death. Rather than understanding you look at the process involved in the development of the child overtime. Children development along multiple dimensions: motor: control of body, social: interpersonal communication/ social, cognitive: thinking, linguistic: development of language. ** in this class we"re mainly focused on social and. Principles of underlying all areas: development is growth: They are getting better at understanding and decoding the sounds they hear and understanding the sounds. They"re becoming more: interaction of heredity and environment, orderly progression: of motor development. The process unfolds and this thing goes smoothly.