The document discusses the promise of the competency approach for improving performance. It outlines three origins of competencies - vocational/educational, behavioral, and strategic. Competencies are purported to improve recruitment, performance management, career development, and organizational strategy. However, competencies also carry risks such as issues validating competency criteria and reducing employee flexibility. While competencies are increasingly adopted in practice, more empirical research is still needed to determine if they truly fulfill their promise to improve organizational and individual performance.