“…This prevalence is higher than found in other studies (American Psychiatric Association, 1994;Cantwell, 1996;Goldman et al, 1998;Milberger, Biederman, Faraone, & Tsuang, 1995;Pellock, 1996). However, it has been postulated that the prevalence of ADHD throughout several countries using the DSM-IV criteria and studying the general school population could be around 10% to 25%, depending on the age, sex, and socioeconomic status (Bhatia, Nigam, Bohra, & Malik, 1991;Eyestone & Howell, 1994;Kanbayashi, Nakata, Fuiji, & Wada, 1994;Madoki, Summer, & Mathews-Ferrari, 1991;Shealy, 1994).…”