Just days ago, three economists released a study that created a great deal of controversy. Raj Chetty and John N. Friedman of Harvard University and Jonah Rockoff of Columbia University studied the ...

We published a study of 117 high-IQ children and adolescents with ADD. (Note: In this article, the term ADD is used to refer to both ADD and ADHD). All of these very bright students were struggling in ...