Fra forlagets omtale: Industrial/organizational or I-O psychology is an exciting field that has been enjoying continual growth in North America and throughout the industrialized world during its almost 100-year history. In 2019 U.S. News and World Report listed I-O Psychology as the second best science career. What began as a tiny subspecialty of psychology, known only to a few practitioners, human resources professionals, and professors, has grown to be one of the major specialties in psychology worldwide.