PIAGETS STAGES OF COGNITIVE DEVELOPMENT Jean Piaget (1896-1980) : History • Born: August 9, 1896, Switzerland • Died: September 16,1980 (Age 84) • Parents: Eldest son of Arthur Piaget and Rebecca Jackson. • Education: Received Ph.D. from University of Neuchatel in 1918. • Wife: Married to Valentine Chatenay in 1923 • Children: 3 children namely Jacqueline, Lucienne and Laurent whose intellectual development from infancy to language was studied by Piaget. Introduction • Jean Piaget (1896-1980) was one of the 20th century's most influential researchers in the area of developmental psychology. • He was originally trained in the areas of biology and philosophy and considered himself a "Genetic Epistemologist". • Piaget wanted to know how children learned through their development in the study of knowledge. . • Piaget's theory is based on the idea that the developing child builds cognitive structures. • He believes that the child's cognitive structure increases with the development. • Piaget's Theory of infant development were based on his observations of his own three children. What is Cognition? • The term cognition is derived from the latin word "cognoscere" which means "to know" or "to recognize" or "to conceptualize". • Cognition is "the mental action or process of acquiring knowledge and understanding through thought, experience, and the senses." What is Cognitive Development? • Cognitive Development is the emergence of the ability to think and understand. • The acquisition of the ability to think, reason and problem solve. • It is the process by which people's thinking changes across the life span. • Piaget studied Cognitive Development by observing children in particular, to examine how their thought processes changed with age. • It is the growing apprehension and adaptation to the physical and social environment. How Cognitive Development occurs? • Cognitive Development is gradual and orderly changes by which mental process becomes more complex and sophisticated. • The essential development of cognition is the establishment of new schemes. • Assimilation and Accommodation are both the processes of the ways of Cognitive Development. • The equilibration is the symbol of a new stage of the Cognitive Development. Basic Cognitive Concepts Schema Piaget used the term "schema" to refer to the cognitive structures by which individuals intellectually adapt to and organize their environment. Assimilation This is the process of fitting a new experience into an existing or previously created cognitive structure or schema. Accommodation This is the process of creating new schema. Equilibration Piaget believed that the people have the natural need to understand how the world works and to find order. Structure and predictability in their life. Cognitive development involves a continuous effort to adapt to the environment in terms of assimilation and accommodation. Piaget's Stages of Cognitive Development Stage 1 Sensori-motor Stage The first stage corresponds from birth to infancy. This is the stage when a child who is initially reflexive in grasping, sucking and reaching becomes more organized in his movement and activity . Object Permanence This is the ability of the child to know that an object still exists even when out of sight. Stage 2 Pre-operational Stage The pre-operational stage covers from about two or 7 years old, roughly corresponding to the preschool years. Intelligence at this stage is intuitive in nature. At this stage, the child can now make mental representations and is able to pretend, the child is now ever closer to the use of symbols. The stage is highlighted by the following: Symbolic Function This is the ability to represent objects and events. A symbol is a thing that represents something else. Egocentrism This is the tendency of the child to only see his point of view and to assume that everyone also has his same point of view. Centration This refers to the tendency of the child to only focus on one aspect of a thing or event and exclude other aspects. Irreversibility Pre-operational children still have the inability to reverse their thinking.They can understand that 2+3 is 5, but cannot understand that 5-3 is 2 Animism This is the tendency of children to attribute human like traits or characteristics to inanimate objects. Transductive Reasoning This refers to the pre-operational child's type of reasoning that is neither inductive nor deductive. Stage 3 Concrete-operational Stage This stage is characterized by the ability of the child to think logically but only in terms of concrete objects. Decentering This refers to the ability of the child to perceive the difference features of objects and situation. Reversibility During the stage of concrete operations, the child can follow that certain operation can be done in reverse. Conservation This is the ability to know that certain properties of objects like number, mass, volume, or area do not change even if there is a change in appearance. Seriation This refers to the ability to order or arrange things in a series based on one dimensiin such as weight, volume or size. STAGE 4 Formal operational Stage In the final stage of formal operations covering ages between 12 and 15 years,thinking becomes more logical. They can now solve abstract problems and can hypothesize. This stage is characterized by the following: Hypothetical Reasoning This is the ability to come up with different hypothesis about a problem and to gather and weigh data in order to make a final decision or judgment. Analogical Reasoning This is the ability to perceive the relationship in one instance and then use that relationship to narrow down possible answers in another similar situation or problem. Deductive Reasoning This is the ability to think logically by applying a general rule to a particular instance or situation. Educational Implications • Emphasis on discovery approach in learning. • Curriculum should provide specific educational experience based on children's developmental level. • Arrange classroom activities so that they assist and encourage self learning. • Social interactions have a great educational value for Piaget. Positive social actions, therefore should be encouraged. • Instruction should be geared to the level of the child. As the level of the child changes at each stage, the level of instruction or exploratory activities should also change. • Simple to Complex and Project method of teaching. • Co-curricular activities have equal importance as that of curricular experiences in the cognitive development of children. • Major Goals of education according to Piaget are critical and creative thinking. Contribution to Education • Piaget's theory helped educators, parents and investigators to comprehend the capacity of children in their different stages. • He made us conscious with the way children and adults think. • A lot of school programs have been redesigned taking as base Piaget's discoveries. • Piaget made a revolution with the developmental psychology concentrating all his attention to the mental process and his role with behavior. Reporters