Charles Spearman was a psychologist . He was born in London, England on September 10, 1863. He died on September 17, 1945.[1] He is known for his work in understanding how people are smart.[2] He also made statistical tests that people still use. One of these is called "Spearman's rank correlation coefficient ."[3]
He made a method named "factor analysis ".[4] This method helps find patterns in a lot of complex information .
He discovered that if someone is good at one mental task, they are probably good at other mental tasks too. He named this "general intelligence " or "g factor".[5]
↑ "Charles Spearman" . www.york.ac.uk . Retrieved 2023-07-17 .
↑ "Charles E. Spearman | Statistical analysis, Intelligence testing, Factor analysis | Britannica" . www.britannica.com . Retrieved 2023-07-17 .
↑ Lovie, Pat (2005-10-15), Everitt, Brian S.; Howell, David C. (eds.), "Spearman, Charles Edward" , Encyclopedia of Statistics in Behavioral Science , Chichester, UK: John Wiley & Sons, Ltd, doi :10.1002/0470013192.bsa634 , ISBN 978-0-470-86080-9 , retrieved 2023-07-17
↑ Yanai, Haruo; Ichikawa, Masanori (2006-01-01), Rao, C. R.; Sinharay, S. (eds.), "Factor Analysis" , Handbook of Statistics , Psychometrics, vol. 26, Elsevier, pp. 257–296, retrieved 2023-07-18
↑ Spearman, C. (1904). " "General Intelligence," Objectively Determined and Measured" . The American Journal of Psychology . 15 (2): 201–292. doi :10.2307/1412107 . ISSN 0002-9556 .