Child development theories focus on explaining how children change and grow over the course of childhood. These developmental ...

children enter the preoperational stage at around two years old Despite being over 70 years old, Piaget's theory is "still one of the prevailing theories in terms of cognitive development," Dr Sam ...

Piaget's theory is mainly known as a developmental stage theory. In 1919, while working at the Alfred Binet Laboratory School in Paris, Piaget "was intrigued by the fact that children of different ...

Piaget found four major developmental stages (with many subdivisions). For the first year and a half or two years of life, infants are only aware of sensorimotor experience, and do not connect it ...

Psychologist Lawrence Kohlberg had the same questions, leading him to develop a theory of moral development that focuses on how children develop morality and ethical reasoning. This theory suggests ...

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