The physical development of kids is easy to track. You can measure their height, weight, strength and ability to control their bodies. What is complex is to determine cognitive and intellectual ...

The developmental psychologist and genetic epistemologist, Jean Piaget, investigated the cognitive development of children. He identified four stages from the sensorimotor period, culminating at 2 ...

Your ability to think logically and effectively evolves gradually over life. According to the theory of Jean Piaget, world-renowned Swiss psychologist, logician, and mathematician, everyone develops ...