Paul Spearman

Paul Spearman was a prominent American psychologist known for his work in statistics and psychometrics. He is best known for developing the Spearman rank correlation coefficient, a method used to measure the strength and direction of association between two ranked variables. Spearman’s work laid the foundation for understanding how variables relate to each other, especially in education and psychology. His insights into intelligence led to theories about how different forms of intelligence can be measured and compared. Overall, Spearman’s contributions have had a lasting impact on research methods in social sciences and education.