Jean Piaget's Stages
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From the Introduction to Psychology 101 curriculum
<h2>Cognitive Development</h2>
<p>Piaget proposed that children move through four stages of mental development.</p>
<h3>1. Sensorimotor Stage (Birth to 2 years)</h3>
<p>The infant knows the world through movements and sensations. <b>Object Permanence</b> (knowing something exists even if you can't see it) is learned here.</p>
<h3>2. Preoperational Stage (2 to 7 years)</h3>
<p>Children begin to think symbolically but remain <b>egocentric</b> (cannot see others' perspectives).</p>
<h3>3. Concrete Operational (7 to 11)</h3>
<p>Logical thought begins. Understanding of <b>Conservation</b> (water in a tall glass is the same amount as in a short glass).</p>
Frequently asked about Jean Piaget's Stages
Cognitive Development Piaget proposed that children move through four stages of mental development. 1. Sensorimotor Stage (Birth to 2 years) The infant knows the world through movements and sensations. Read the full notes above for the details.
Jean Piaget's Stages is a core topic in Introduction to Psychology 101. Most exam papers test it via a mix of definitions, worked examples, and applied problems. The notes above cover the high-yield sub-topics, common pitfalls, and the kind of questions examiners typically set.
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