John P. Campbell (academic)

John P. Campbell is an American organizational psychologist known for his research on job performance and organizational behavior. His work has helped clarify how employees' abilities, work motivation, and understanding of their tasks contribute to their performance. Campbell developed models to better assess and improve employee effectiveness in the workplace, emphasizing the importance of selecting the right people and creating environments that support their strengths. His contributions are influential in human resource management and industrial-organizational psychology, helping organizations optimize workforce performance and talent development.