Under Jerome Bruner's Cognitive Development and Discovery Learning Theory, the concept of the 'Spiral Curriculum' posits that any subject or complex concept can be taught at any age in some intellectually honest form, moving from simple to complex across developmental stages with increasing depth and breadth, enabling learners to progressively expand their knowledge based on prior experiences. Regarding its psychological implications for long-term retention, cognitive flexibility, and structural understanding in classroom teaching, which of the following statements is scientifically most valid and authoritative?

The concept of the Spiral Curriculum is a cornerstone of Jerome Bruner's theory of cognitive development and discovery learning. Bruner famously stated that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

Key Characteristics of Spiral Curriculum:

• Revisiting Concepts: Basic ideas are revisited repeatedly across the curriculum, building upon previous learning.
• Increasing Complexity: Each time a concept is revisited, it is taught at a more advanced, abstract, and comprehensive level.
• Schema Formation: It aligns with cognitive psychology by strengthening long-term memory schemas through continuous connection of new experiences with prior knowledge.

Therefore, Option (b) is the scientifically accurate statement, while the other options contradict the core pedagogical philosophy of Bruner's theory.