Children And Young People Essay
As we know, the famous theory of cognitive development was found by Jean Piaget. He was born in 1896 (Newkirk, 2009). Newkirk also mentioned that Piaget was a theorists and also a biologist. Besides,the author reported that Piaget did observing his own children and attracted to changes that occured and developed in childrens mind and the factors behind these changes. In addition, Gartrell (2011) also stated that Piagets method by questioning the children is called as clinical method. Children started to develop their understanding through their surrounding based on four stages of cognitive development. As mentioned by Gartrell the stages are the sensorimotor stage, preoperational stage, concrete operational stage and lastly formal operations stage.