cognitive dissonance, reward & punishment, personality theories, MBTI, extrovert-introvert, sensing-intuition, thinking-feeling, judging-perceiving, The Big Five, agreeableness, conscientiousness, emotional stability, openness to experience, emotional intelligence, self-awareness, self-management, self-motivation, empathy, social skills, personality traits, personality characteristics, locus of control, pragmatic, pragmatism, self-esteem, self-monitoring, risk-taking.