The child that I will focus on is Mari, who comes from Tokyo. She develops physically, emotionally, socially, and cognitively through her toddlerhood. Since infancy, Mari is seen grow through the developmental stages. The period runs up to two years old since her birth. Intellectual capabilities, perception, and motor are all developed during this stage. A child develops socially and emotionally through the experience that she undergoes. She grabs the ability to establish relationships with others around her—the different aspects such as self-regulation, temperament, and reactivity. Mari gets trained on how to react to the environment and other changes taking place around her. The caregivers have affected the development of the language of the babies. Together with Hattie, Mari does
