Friendship research is a branch of social psychology that focuses on understanding and studying the dynamics of close relationships between individuals. Researchers in this area investigate various aspects of friendships, such as the formation, maintenance, and dissolution of friendships, as well as the impact of friendships on well-being and social behavior. Friendship research can also explore the role of friendship in identity development, emotional support, and social networks. Overall, the goal of friendship research is to enhance our understanding of the importance of friendships in human lives and how they contribute to overall psychological well-being.