Hiroko speaks English with her friends, Japanese only with her grandmother, and either Japanese or English with her parents, depending on the situation. This phenomenon is known as bilingual __________.

Research on emotion has only recently evolved because ________________

a. most western European and American societies considered it bothersome b. scientists already understood how emotion influences behaviors c. most western European and American societies considered it important d. research on emotion was considered unreliable

Attention-deficit hyperactivity disorder—(ADHD)—is marked by

a. attention, impulsiveness, and a high tolerance for frustration. b. inattention, impulsiveness, and a low tolerance for frustration. c. inattention, impulsiveness, and a high tolerance for frustration. d. attention, impulsiveness, and a low tolerance for frustration.