Critiquing Jean Piaget's theory of cognitive development, which of the following psychologists argued that children's cognitive development depends primarily on the gradual development of their ability to take moral and social perspectives, rather than solely on logical operations?

Robert Selman formulated a detailed theory of socio-cognitive development and 'role-taking' (perspective-taking ability). Extending and critiquing Piaget's theory of cognitive development, he explained that children gradually develop the ability to understand others' viewpoints and put themselves in their positions across different age stages, which lays the foundation for their social and moral development.