Which of the following was one of Alfred Adler's main contributions to personality theory?

• A. The development of classical conditioning
• B. The theory of self-actualization
• C. The concept of the inferiority complex
• D. The idea of the collective unconscious

Answer: (C)

Verified step by step guidance

1. Identify the key figures and concepts mentioned in the options: classical conditioning is associated with Ivan Pavlov, self-actualization with Abraham Maslow, the inferiority complex with Alfred Adler, and the collective unconscious with Carl Jung.
2. Understand Alfred Adler's main contributions to personality theory, focusing on his emphasis on social factors and feelings of inferiority as motivators for behavior.
3. Recognize that Adler introduced the concept of the inferiority complex, which explains how individuals strive to overcome feelings of inferiority to achieve personal growth and success.
4. Compare this concept with the other options to confirm that the inferiority complex is uniquely linked to Adler, while the other concepts belong to different theorists.
5. Conclude that the correct answer is the concept of the inferiority complex, as it represents one of Alfred Adler's main contributions to personality theory.