Final answer:
Piaget's theory of cognitive development suggests that our cognitive abilities develop through specific stages, but there are criticisms and revisions to his theory. Developmental psychologists have found that children reach cognitive milestones earlier than Piaget described, suggesting a more continuous model of development. There is also discussion about whether cognitive development occurs in distinct stages as Piaget believed.
Step-by-step explanation:
Piaget's theory of cognitive development states that our cognitive abilities develop through specific stages, which exemplifies the discontinuity approach to development. While Piaget's theory has been influential in the field of psychology, there are some criticisms and revisions to his theory. Developmental psychologists have found that children reach cognitive milestones earlier than Piaget described, suggesting a more continuous model of development. Additionally, researchers have challenged Piaget's view that cognitive development occurs in distinct stages.