Understanding the principles of Human Performance Improvement (HPI) is no longer optional knowledge for training professionals. Training is simply one intervention that mayor may not solve a performance issue. This issue provides an overview of the HPI process by describing the roles linked with HPI and details the core competencies needed to join the HPI movement. Inside you'll find charts on the HPI process model, cause analysis, and types of interventions, along with HPI processes, roles, and skills.