Piaget Stages Of Development Conservation. Piaget s stages of cognitive development. His contributions include a stage theory of child cognitive development detailed observational studies of cognition in children and a series of simple but ingenious tests to reveal different cognitive abilities.
Conservation refers to a logical thinking ability that allows a person to determine that a certain quantity will remain the same despite adjustment of the container shape or apparent size according to the psychologist jean piaget his theory posits that this ability is not present in children during the preoperational stage of their development at ages 2 7 but develops in the concrete. The child is now mature enough to use logical thought or operations i e. In this stage a child develops the ability to utilize abstract thinking.
Piaget proposed that children progress through four distinct stages of intellectual development.
Piaget s four stages of intellectual or cognitive development are. The stages of mental development that children go through as they obtain and create knowledge. Piaget stages of development are the foundation of a well known theory of early childhood development. Formal operational stage 11 years and older the formal operational stage is the final stage of piaget s theory of development.