The principal concepts - Well-being and self-validation - Unemployment and retirement : role preference and other influences - Environmental features and the vitamin analogy - Money, security, position, supervision, outlook, and equity - Variety, clarity, and social contact - Combinations, measurement, causes, and work profiles - Social and judgmental influences on happiness - Personality, genes, and happiness - Differences between groups and between people - Moderator effects and differential salience - Person-environment fit and work values - Some consequences of happiness.