Quote by Charles Spearman
"Life rewards those who systematically develop their natural capacities."
"Life rewards those who systematically develop their natural capacities."
"Intelligence is not a single, unitary ability, but rather a general factor that influences performance across diverse cognitive tasks."
"The human mind possesses a general cognitive ability that affects success in all intellectual endeavors."
"Education should aim to develop the general factor of intelligence that underlies all mental abilities."
"Correlation analysis reveals the hidden structures of human thought and ability."