Step 1: Concept
The concept of the 'id, ego, superego' is a fundamental part of psychoanalytic theory, specifically associated with Sigmund Freud's model of personality.
Step 2: Meaning
The id operates on the pleasure principle; the ego functions according to the reality principle; the superego incorporates moral standards and ideals.
Step 3: Analysis
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• A) Alfred Adler — known for individual psychology focusing on inferiority and the drive towards self-improvement. Did not introduce id, ego, or superego.
• B) Sigmund Freud — developed the structural model of personality which includes the id, ego, and superego as key components. His theory is central to psychoanalytic psychology.
• C) Carl Jung — introduced concepts such as the collective unconscious, archetypes, and introversion/extroversion. Did not develop the id/ego/superego model.
• D) Jean Piaget — known for his stages of cognitive development focusing on how children think and learn. His work does not include the id, ego, or superego.
Step 4: Conclusion
The 'id, ego, superego' are concepts central to Sigmund Freud's psychoanalytic theory.
Final Answer: (B)