IQ was not connected to reading and spelling in subjects without RD,… We studied the connection of IQ, reading disability (RD) and their interaction with reading, spelling and other cognitive skills in adolescents with average IQ and RD (n = 22), average IQ, non-RD (n = 71), below average IQ and RD (n = 29), and below average IQ non-RD (n = 33). Kortteinen, Hanna Narhi, Vesa Ahonen, Timo
Does IQ Matter in Adolescents' Reading Disability?