ean Piaget believed that around age 11, young people enter the formal operational stage, in which they develop the capacity...

ean Piaget believed that around age 11, young people enter the formal operational stage, in which they develop the capacity for advanced cognitive thinking. What are the major characteristics of the formal operational stage? What is the opposing argument that challenges Piaget’s notion of a new, discrete stage of cognitive development at adolescence? Do all individuals reach the formal operational stage? Be sure to include in your response information from the textbook or other psychology-specific sources.