Positive psychology: Historical and philosophical foundations; Eudaimonic and hedonic views of well-being; Positive emotional states and processes; Positive cognitive states and processes; Socio-emotional selectivity theory and its implications; Subjective well-being: findings, measurements, applications to public policy and clinical interventions; Happiness and health; Positive response to loss and adversity: posttraumatic growth and resilience; Future research directions in positive psychology.