According to Jean Piaget's Theory of Cognitive Development, which of the following psychological statements is most authentic and scientifically valid regarding the main characteristics of the 'Formal Operational Stage'—namely 'Hypothetico-Deductive Reasoning' and 'Abstract Thinking'—and their actual psychological implications for scientific hypothesis formation, logical experimental testing, and independent analysis of multidimensional problems by students in classroom teaching?

According to Jean Piaget's theory of cognitive development, the Formal Operational Stage (ranging from approximately 11 or 12 years through adulthood) marks the transition from concrete to abstract thinking.

Key Characteristics:

• Hypothetico-Deductive Reasoning: Adolescents can develop hypotheses about ways to solve a problem and systematically deduce which path is the best solution.
• Abstract Thinking: Ability to think about abstract concepts, possibilities, and theoretical ideas without requiring physical objects or concrete experiences.

Therefore, option (b) provides the most accurate scientific description of this cognitive process, whereas the other options describe different stages or misconceptions.