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javiwild051
These are the four stages
Sensorimotor. Birth through ages 18-24 monthsPreoperational. Toddlerhood (18-24 months) through early childhood (age 7)Concrete operational. Ages 7 to 12Formal operational. Adolescence through adulthood
Lanuel

The answer option which is not one of Piaget's stages of cognitive development is: E. Postoperational.

Cognitive development refers to the development of knowledge, thought processes, skills, and problem-solving abilities from infancy through adulthood.

Jean Piaget was a developmental biologist and psychologist and he was born on the 9th of August, 1896 in Neuchâtel, Switzerland.

Piaget worked extensively on cognitive development in infants and teenagers based on the following concepts:

  • Judgement.
  • Knowledge.
  • Thoughts.

Additionally, Jean Piaget's stages of cognitive development in an ascending order includes;

I. Sensorimotor stage.

II. Preoperational stage.

III. Concrete operational stage.

IV. Formal operational stage.

In conclusion, postoperational isn't a stage of cognitive development developed by Jean Piaget.

Read more: https://www.brainly.com/question/20355893

Your question is lacking the necessary answer options, so I will be adding them here:

A. Sensorimotor

B. Preoperational

C. Concrete operational

D. Formal operational

E. Postoperational