Positive psychology is about studying and understanding positive psychological phenomena - the things that work for people, organizations and societies. The insights of positive psychology have also manifested themselves within work and organizational psychology. These trends have entailed a focus on more positive work-related phenomena, as for instance flow, work engagement, meaningfulness, and well-being at work. The aim of this report is to conduct a closer inspection of central concepts in positive work and organizational psychology. Firstly, the report assesses the validity of a series of measures of positive concepts and secondly, the report analyzes relationships between positive concepts and a series of positive individual and organizational outcomes. The analyses yield interesting findings that may contribute to a new working life research front with a strong potential generating knowledge that may prove useful in enhancing a healthy work environment.