Development occurs in either discrete stages or as a gradual process, impacting how skills improve over time.
Discontinuous development theorists believe that development occurs in unique stages at specific times, where significant changes take place abruptly. This is contrasted with continuous development, where growth is seen as a gradual, cumulative process where skills are improved over time. For example, Jean Piaget's cognitive theory illustrates discontinuous development through stages of cognitive growth, while continuous development can be compared to a child's physical growth in height year by year.
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