We examined parents' knowledge, attitudes, and information sources regarding Attention-Deficit/Hyperactivity Disorder (ADHD), including treatment with stimulant medication and behavioral interventions. Responses from parents with a child diagnosed with ADHD and parents without a child diagnosed with ADHD were also compared. Participants consisted of 146 parents of elementary age children from Wisconsin. The surveyed parents were aware of issues surrounding ADHD and the use of stimulant medication, but there were several areas where they possessed inaccurate or incomplete factual information. Parents who had a child diagnosed with ADHD rated the effects of stimulant medication more positively and side effects as less severe than other parents. They also rated behavioral interventions as less effective on all questions. Implications of the study are discussed.Attention-deficit hyperactivity disorder (ADHD) occurs in 3% to 7% of school aged children (American Psychiatric Association 2000). ADHD is the most commonly diagnosed childhood psychiatric disorder (Snider et al. 2003). A child diagnosed with ADHD may exhibit a variety of problem behaviors, such as inattentiveness, impulsiveness, forgetfulness, restlessness, and difficulty with organization. These behaviors can be frustrating for not only the child, but parents and teachers as well. ADHD is commonly treated with stimulant medication, behavioral interventions, or a combination of stimulant medication and behavioral intervention. In the past few