“…A majority of the guidelines recommend basing diagnosis on the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV ); using interviews with the parent, teacher, and child; parent and teacher standardized behavior rating scales; assessment of cognitive functioning and academic achievement; and behavioral observations during unstructured (e.g., playground) and structured times (e.g., classroom). Brock and Clinton (2007) found that at least 90% of publications on ADHD assessment recommended ratings scales, interviews, and laboratory/psychological testing. Behavioral observations were recommended in 68% of the studies.…”