... stages (Jarvis, Chandler 2001 P.149). However, their arguments can be distinguished by their different styles of thinking. Piaget was the first to reveal that children reason and think differently at different periods in their lives. He believed that all children progress through four different stages of cognitive development. This theory is recognised in the academic world as 'Piaget's Stage Theory' and the four stages of development are known as the Sensorimotor, Preoperational, Concrete Operational and Formal Operational periods. Stage 1 Piaget marks the development of essential spatial abilities and the gaining an understanding of the world within this phase. He believed that this stage covered the age range from birth until the age of two and was characterised by the development of internalized representations of concrete objects that grow out of the child's perceptions of and actions of those objects (Child Development- Berk). Stage 2 From ages two to seven years, ...

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