अंतर्मुखी (introvert) और बहिर्मुखी (extrovert) व्यक्तित्व का वर्गीकरण किसने किया?

उत्तर: B — Carl Jung classified personality as introvert (inward-focused, reflective, reserved) and extrovert (outward-focused, sociable, action-oriented). He also proposed the concept of collective unconscious.