Reynolds, M. R. (2013). "Interpreting the g Loadings of Intelligence Test Composite Scores in Light of Spearman's Law of Diminishing Returns". School Psychology Quarterly. 28 (1): 63–76. doi:10.1037/spq0000013. PMID23506024.
Voelke, Annik E.; Troche, Stefan J.; Rammsayer, Thomas H.; Wagner, Felicitas L.; Roebers, Claudia M. (2013). "Sensory Discrimination, Working Memory and Intelligence in 9-Year-Old and 11-Year-Old Children". Infant and Child Development. 22 (5): 523–538. doi:10.1002/icd.1803.
Thomson, G.H. (1947). "Charles Spearman. 1863-1945". Obituary Notices of Fellows of the Royal Society. 5 (15): 373–385. doi:10.1098/rsbm.1947.0006. S2CID159844032.
Fancher, R. E. (1985). "Spearman's original computation of g: A model for Burt?". British Journal of Psychology. 76 (3): 341–352. doi:10.1111/j.2044-8295.1985.tb01957.x.
Kane, H.; Oakland, T. D. (2000). "Secular Declines in Spearman's g: Some Evidence From the United States". Journal of Genetic Psychology. 161 (3): 337–345. doi:10.1080/00221320009596716. PMID10971912. S2CID32162542.
Reynolds, M. R. (2013). "Interpreting the g Loadings of Intelligence Test Composite Scores in Light of Spearman's Law of Diminishing Returns". School Psychology Quarterly. 28 (1): 63–76. doi:10.1037/spq0000013. PMID23506024.
Kane, H.; Oakland, T. D. (2000). "Secular Declines in Spearman's g: Some Evidence From the United States". Journal of Genetic Psychology. 161 (3): 337–345. doi:10.1080/00221320009596716. PMID10971912. S2CID32162542.
Thomson, G.H. (1947). "Charles Spearman. 1863-1945". Obituary Notices of Fellows of the Royal Society. 5 (15): 373–385. doi:10.1098/rsbm.1947.0006. S2CID159844032.
Kane, H.; Oakland, T. D. (2000). "Secular Declines in Spearman's g: Some Evidence From the United States". Journal of Genetic Psychology. 161 (3): 337–345. doi:10.1080/00221320009596716. PMID10971912. S2CID32162542.