In the context of Child Development and Pedagogy, which of the following is the most important characteristic of the 'Formal Operational Stage' of Jean Piaget's theory of cognitive development?

→ According to Piaget, during the first stage of development (birth to approximately 2 years of age), an infant learns best: → Under Jean Piaget's theory of cognitive development, upon detailed analysis of the essential and logical limitations of the 'Preoperational Stage', which of the following statements is scientifically most valid regarding the concepts of 'Egocentrism', 'Irreversibility', and 'Animism'? → According to Piaget, in which stage of cognitive development does a child begin to think logically about concrete objects and events? → According to Jean Piaget's theory of cognitive development, when a child attempts to fit new information into pre-existing schemas without modifying them, what is this cognitive process called? → In Jean Piaget's theory of cognitive development, when a child encounters a new situation or object and modifies their existing 'schema' to accommodate the new information, what is this mental process called? → In Jean Piaget's theory of cognitive development, when a state of 'cognitive disequilibrium' arises, what is the mental process called that a child adopts to incorporate new experiences into their pre-existing schema? → In Jean Piaget's theory of cognitive development, explain the process of 'Equilibration' when a child encounters new information that does not fit into their existing schema? → With reference to Jean Piaget's theory of cognitive development, the ability of 'decentration' is a key characteristic of which stage of a child's development?