In the context of Jean Piaget's 'Theory of Cognitive Development' under Child Development and Pedagogy, which of the following statements is most appropriate and true regarding the key logical, psychological, and scientific characteristics (such as abstract thinking, hypothetico-deductive reasoning, and scientific thinking) of the final stage of cognitive development proposed by Piaget—namely the 'Formal Operational Stage' (from 11 years to adulthood)?

According to Jean Piaget's Theory of Cognitive Development, the Formal Operational Stage begins around 11 years of age and extends through adulthood.

Key Features of the Stage:

• Abstract Thinking: Ability to think beyond the concrete present.
• Hypothetico-Deductive Reasoning: Using deductive reasoning to systematically test hypotheses and solve problems.
• Scientific Thinking: Capability to think about hypothetical or potential situations and draw logical conclusions.

Option 'a' refers to the concrete operational stage, option 'c' describes pre-operational and concrete operational features, and option 'd' describes the sensory-motor stage. Therefore, option 'b' is the most accurate answer.