Piaget's 4 stages of cognitive development

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Across
  1. 3. of the task or problem
  2. 4. centration •Inability to rewind a process mentally
  3. 5. thought •Understanding that the things one cannot directly perceive still exist
  4. 6. object permanence •A mental construction or concept that allows one to interpret, classify and refine
  5. 7. shape or appearance
Down
  1. 1. understanding of the world, both in concrete and abstract terms
  2. 2. egocentrism •Focusing on one aspect of a task or problem to the exclusion of other relevant
  3. 3. conservation •Ability to use mental images or words to represent external reality
  4. 4. •Refers to mental, problem-solving or thinking abilities
  5. 5. cognitive •Inability to take the psychological or physical perspective of another person
  6. 6. •Understanding that physical quantities remain the same in spite of changes in