Quote by Cyril Burt
"Educational systems that are truly scientific must be willing to modify their practices based on evidence of their effects."
"Educational systems that are truly scientific must be willing to modify their practices based on evidence of their effects."
"Intelligence is inherited, but it's the environment that determines how it develops."
"The correlation between intelligence and environment is far more complex than we initially believed."
"Heredity and environment are not opposing forces; they work in concert."
"Psychology must be grounded in measurable data and rigorous statistical analysis."