The previous article ' Understanding response curse ' got me thinking about there applicability to collective performance. It began with a simple question ‘what is collective training?’ some 20 years ago. Over the coming weeks we intend to explore the higher order question ‘what is collective performance?’ which in turn answer the training question, because without understand performance and how to measure it, what are you training to achieve. Kind of fundamental, you would have thought! In competitive world, organizations aim to optimise performance at every level to achieve goals and maintain a competitive advantage. Performance measurement offers insights for decision-making, resource allocation and continuous improvement (Armstrong, 2021). Understanding how performance manifests at the individual, team and collective (organizational) levels is important for fostering excellence and developing effective management practices. This article lay the groundwork for the ...