Developmental psychology focuses on cognitive, emotional, and social development over a lifetime and the various factors that influence these changes. A lot of theories center on childhood development, as this is a period of rapid evolution. In the 20th century, interest in developmental psychology resulted in several theories. Some focus specifically on childhood, while others cite trends that continue into adulthood and even old age.
Developmental Psychology aims not only to identify the changes that occur throughout a lifetime but also to predict, explain, and control what influences those changes. Ultimately, the goal is to determine the factors that affect normal development to figure out the best interventions when development is abnormal.
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