This document summarizes theories of development for girls ages 7-10, including Erikson, Piaget, Vygotsky, and Gilligan. It discusses key developmental milestones in areas like physical skills, initiative, eagerness to learn, social-emotional growth, and typical behaviors. Girls at this age develop close same-sex friendships, become more aware of rules and fairness, and enjoy pretend play and fantasy. However, they may also struggle with failure, black-and-white thinking, and relationship conflicts with peers.