In Piaget's Cognitive Developmental Theory, a scheme can best be described as:

• A. A mental structure or framework that organizes and interprets information
• B. A biological process that determines physical growth
• C. A set of moral rules learned from parents
• D. A temporary stage of emotional instability

Answer: (A)

Verified step by step guidance

1. Understand that in Piaget's Cognitive Developmental Theory, the term 'scheme' (or 'schema') refers to a fundamental concept related to how individuals organize knowledge.
2. Recognize that a scheme is not a biological process or physical growth factor, so options related to biology or physical development can be excluded.
3. Consider that schemes are cognitive structures, meaning they are mental frameworks or patterns that help individuals interpret and respond to information from their environment.
4. Eliminate options that describe moral rules or emotional states, as these do not align with Piaget's definition of schemes.
5. Conclude that the best description of a scheme is 'a mental structure or framework that organizes and interprets information,' which fits Piaget's theory of how knowledge is structured and used.