Differentiation at higher levels of cognitive ability: evidence from the United States.

Most psychologists and educators assume that intelligence is a linear construct, meaning that smart people simply have more intelligence than their less gifted peers. Likewise, individuals with mental retardation are thought to have less intelligence. In contrast to this widely accepted belief, the authors posed an alternative hypothesis--that intelligence is qualitatively different in various populations.

International school psychology: psychology's worldwide portal to children and youth.

International school psychology is discussed in reference to scholarly and professional development within psychology, the emergence of an international association of school psychology, its efforts to promote school psychology, prevailing characteristics of school psychologists, and additional efforts needed to further enhance its development. Nine issues that will help shape the future of international school psychology are also identified. The importance of psychology, including school psychology, in promoting children's needs and rights is underscored.

Alternative treatments for attention-deficit/hyperactivity disorder: does evidence support their use?

Attention-deficit/hyperactivity disorder (ADHD) affects approximately 2 to 3 million children in the United States. Stimulant medication is one of the most common treatments for ADHD; however, adverse reactions from its use cause many parents to seek complementary or alternative treatments. Many individuals use complementary and alternative medicine (CAM) because they are attracted to CAM philosophies and health beliefs, dissatisfied with the process or results of their conventional care, or concerned about adverse effects of stimulants.