Study with Wundt and Kulpe in Germany. He served in the army during the Boer War. Spearman reads Galton's works. Charles began performing Galton's experiments on school children. Galton's beliefs about the relationship between sensory acuity and intelligence were valid and correlated strongly with intelligence at school."completely impressed,...with intelligence at school (p. 288)" Charles published an article on the results of the his experiment and was entitled "General Intelligence". Spearman was offered a place at the University of London and continued to study empiricism, sensationalism and other accepted philosophical and psychological beliefs. Spearman first laid the foundations of what they called factor analysis, a statistical technique based on correlation. It measures the individual or group in various ways. Then you measure the intercorrelates in a systematic way. Finally, the correlation matrix is ​​examined. Spearman concluded that the nature of intelligence is