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Visual Representation of Continuous vs. Discontinuous Development
Continuous development and discontinuous development are often contrasted using distinct visual metaphors. Continuous development can be modeled as an upward-sloping triangle or straight line from infancy to adulthood, representing steady, gradual change. Conversely, discontinuous development is often depicted as a staircase or a series of ascending bars, where each distinct step signifies a sudden shift into a new, higher stage of development.

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Ch.9 Lifespan Development - Psychology @ OpenStax
Psychology @ OpenStax
Introduction to Psychology @ OpenStax Course
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OpenStax Psychology (2nd ed.) Textbook
Psychology
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Empirical Science
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Continuous Development
Discontinuous Development
Visual Representation of Continuous vs. Discontinuous Development
A researcher studying cognitive abilities in children notices a distinct pattern. For several months, a child consistently fails to understand that the amount of water remains the same when poured from a short, wide glass into a tall, narrow one. Then, within a single week, the child suddenly grasps the concept and consistently answers correctly. This sudden shift in understanding is a classic example that supports which perspective on development?
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A researcher is studying the development of problem-solving skills in children. They theorize that these skills do not improve gradually but rather in sudden, distinct leaps. For example, a child might struggle with a certain type of puzzle for months and then, seemingly overnight, understand the underlying logic and be able to solve it consistently. Which visual metaphor would best represent this researcher's theory of skill development?
A researcher studying how children learn to share toys observes that their behavior changes in abrupt shifts. For several months, a child might refuse to share at all. Then, almost overnight, they begin to share occasionally but only with specific friends. Later, they suddenly start sharing more freely with any peer. Which visual metaphor best represents this researcher's observations of the child's development?