William F. Osgood

William F. Osgood was an influential American psychologist and educator, known for his work in personality and intelligence measurement. He played a key role in developing statistical methods for psychological testing and research, particularly in studying individual differences. As a professor at Harvard University, he contributed significantly to the scientific understanding of human traits and behavior, advocating for precise measurement and analysis in psychology. His work helped lay the foundation for modern psychometrics, making psychological assessments more reliable and valid.