According to Jean Piaget's theory of cognitive development, what is the duration of the formal operational stage?

→ According to Jean Piaget's theory of cognitive development, what is the age range of the 'formal operational stage'? → Under Jean Piaget's theory of cognitive development, when conducting an in-depth analysis of the main developmental characteristics of the 'Formal Operational Stage' (11 years and beyond) in the context of 'Hypothetico-Deductive Reasoning' and 'Combinatorial Thinking', which of the following statements most accurately explains the true cognitive maturity of this stage? → What is the duration of the 'Formal Operational Stage' proposed by Jean Piaget under his Cognitive Development Theory, and which of the following is the most prominent psychological characteristic of this stage? → Under Child Development and Pedagogy, consider the following statements with reference to Jean Piaget's 'Theory of Cognitive Development': 1. According to Piaget, cognitive development is not a continuous process but a sequential and qualitatively different process occurring in stages, where every child constructs their own knowledge by interacting with their environment. 2. During the 'Concrete Operational Stage', children develop the capacity for 'Conservation', 'Classification', and 'Decentration', but they remain unable to solve problems based on abstract or hypothetical reasoning. 3. The 'Formal Operational Stage' is the final stage of this theory, starting from adolescence, in which the capacity for 'Deductive Reasoning' and 'Hypothetico-Deductive Reasoning' is fully developed. Which of the above statement(s) is/are correct? → Under Jean Piaget's Theory of Cognitive Development, 'Equilibration' is defined as the self-regulatory mechanism through which children resolve cognitive conflict (disequilibrium) between their existing mental schemas and new environmental experiences using assimilation and accommodation, leading to higher-level cognitive structures. Which of the following psychological statements is most authentic and scientifically valid regarding equilibration and its classroom implications? → According to Jean Piaget's Theory of Cognitive Development, 'Egocentrism' is a central concept defined as the inability in the pre-operational stage to understand that other people's perspectives, viewpoints, or mental outlooks can differ from one's own. Regarding its psychological implications, classroom teaching, student decentration, perspective-taking, and cognitive maturity, which of the following psychological statements is most authentic and scientifically valid? → According to Jean Piaget's theory of cognitive development, in which stage of children's development does the trait of 'Conservation' appear? → According to Jean Piaget's theory of cognitive development, what is the age period of the 'Formal Operational Stage'?