Edward is eight years of age and is currently in the second grade. in the context of the theory propagated by piaget, edward is in the stage of cognitive development.

Edward is eight years of age and is currently in the second grade. In the context of the theory propagated by Piaget, Edward is in the concrete operational of cognitive development.

Further explanation:

It is the third stage in the Piaget’s theory of cognitive development. This is the period of middle childhood. It starts at the age of seven until approximately 11 years. In this stage, the logical thought of an individual develops.

THE CONCRETE OPERATIONAL STAGE OF COGNITIVE DEVELOPMENT

We can define concrete operational stage of development as the stage in which child performs variety of mental thoughts and operations using concrete concepts. The concrete operational stage of cognitive development which is characterized by the child’s inability, or ability, by which he masters the conservation task.

When a child reaches this stage, he starts using his logical reasoning about the real life situation without being influenced by changes in sizes and appearances.  

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Answer details:

Grade: High School

Subject: Psychology

Topic: Theory of Cognitive Development

Keywords: concrete, operational, cognitive, development, conservation, appearances, logical, reasoning

i would say b. research typically uses a variety of sources

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