When we focus on business improvement, the easy part is fixing holes in systems and processes to gain quality and efficiency. But the key to making those fixes stick is the people. Enter: positive psychology. Positive psychology is a psychological theory that looks at the positive side of human behaviour. Where psychopathology categorizes undesirable behaviour, positive psychology builds on character strengths to help optimize organizational productivity. Positive psychology is especially well suited for use within culturally diverse workforces.