Final answer:
The information-processing theory, Vygotsky's sociocultural theory, and Piaget's developmental theory are all cognitive development theories that analyze the cognitive growth across various domains and address the nature of developmental changes.
Step-by-step explanation:
The information-processing theory, Vygotsky's sociocultural theory, and Piaget's developmental theory are all cognitive development theories. These theories are studied by developmental psychologists who analyze development across different domains such as physical, cognitive, and psychosocial aspects. They address questions related to the continuity of development, the diversity of developmental pathways, and the influence of nature versus nurture.
Lev Vygotsky's sociocultural theory emphasizes the role of cultural and social interactions in development, proposing that children's learning is deeply embedded in and influenced by their culture and language. Likewise, Jean Piaget's cognitive theory suggests that children progress through a series of distinct cognitive stages, each characterized by unique ways of thinking and understanding the world. Both of these theories, along with the information-processing view, contribute to our understanding of cognitive growth and development.