<p> Chapter 11 Handout: Teen Physical/Social Development *Note: homosexuality, sex and pregnancy in CH12 notes (ch 11 in book)</p><p>BOYS GIRLS Growth Spurt Age 12.5 Age 10 Proportions Shoulders broaden, longer legs Hips broaden Muscle-Fat More muscle, aerobic efficiency More fat</p><p>BOYS GIRLS</p><p>Early Maturing Popular Unpopular Confident Withdrawn, low confidence, negative body image Positive Body Image More deviant behavior</p><p>Late Maturing Unpopular Popular Anxious, talkative, attention-seeking Sociable, lively Negative Body Image Positive body image</p><p>Matching Exercise</p><p>Term Matching Puberty A. characteristics associated with the development of the organs and structures directly related to reproduction</p><p>Menarche B. characterized by binges on large quantities of food, followed by purges of the food through vomiting or the use of laxatives </p><p>Obesity C. the onset of menstruation</p><p>Spermarche D. the visible signs of sexual maturity not involving the sex organs</p><p>Anorexia nervosa E. Being 20% over the weight you should be for your height, age and gender, or having a BMI of 30 or more.</p><p>Primary sex characteristics F. the period during which the sexual organs mature, beginning earlier for girls than for boys</p><p>Bulimia G. the first ejaculation for a boy</p><p>Secondary sex H. a severe psychological disorder in which individuals refuse to eat, while characteristics denying that their behavior and appearance are out of the ordinary Matching Exercise</p><p>Term Definition Formal operational A. a state of self-absorption in which the world is viewed from one's own point of thinking view</p><p>Information-processing B. the knowledge that people have regarding their own thinking process, and their ability to monitor their own cognition</p><p>Metacognition C. The tendency of teens to assume that although bad things might happen to other people, their own actions will not result in negative consequences</p><p>Adolescent egocentrism D. adolescent's belief that his or her own behavior is a primary focus of others' attention and concerns </p><p>Imaginary audience E. characterized by the ability to think abstractly </p><p>Personal fable F. the model that seeks to identify the way that individuals take in, use, and store information </p><p>Invincibility fable G. the view held by some adolescents that what happens to them is unique, exceptional, and shared by no one else, which can lead to risk-taking </p>