Identity development is a research area within psychology that focuses on how individuals form and shape their sense of self over time. This field examines the psychological processes, such as self-awareness, self-perception, and self-concept formation, that contribute to the development of one's identity. Researchers in this area study how identity is influenced by various factors, including culture, family dynamics, social interactions, and personal experiences. Understanding identity development is important for gaining insights into how individuals navigate and make sense of their identities in the context of their lives.