According to Piaget's Cognitive Development Theory, 'The basic unit of the cognitive structure that helps in the implementation of cognitive behaviour', is termed as :

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According to Piaget's Cognitive Development Theory, 'The basic unit of the cognitive structure that helps in the implementation of cognitive behaviour' is termed as Schema because:

*   **Why Schema is Correct:** Piaget defined a schema as a cohesive, repeatable action sequence possessing component actions that are tightly interconnected and governed by a core meaning. Essentially, a schema is a mental concept that informs a person about what to expect from a variety of experiences and situations. It is the fundamental building block of intelligent behavior – a way of organizing knowledge. Schemas are mental representations of the world that allow us to understand and respond to situations. They are the basic units of cognitive structure that drive cognitive behavior. As children develop, their schemas become more complex and sophisticated.

*   **Why Reflexes is Incorrect:** Reflexes are automatic, involuntary responses to stimuli. While reflexes are important in early infancy, they are not the basic unit of cognitive structure that helps in the implementation of cognitive behavior throughout development. They are more related to innate biological responses rather than learned cognitive structures.

*   **Why Basic Instincts is Incorrect:** Basic instincts are innate, fixed patterns of behavior. Similar to reflexes, they are biologically driven and not the fundamental building blocks of cognitive structures that Piaget described. Instincts are not flexible or adaptable in the way that schemas are.

*   **Why Conservation is Incorrect:** Conservation is a specific cognitive achievement that occurs during the concrete operational stage of development. It refers to the understanding that quantity remains the same despite changes in appearance. Conservation is a *result* of cognitive development and the development of schemas, not the basic unit *of* cognitive structure itself. It's a specific ability, not the underlying structure that enables cognitive behavior.