| A | B |
|---|
| adolescent growth spurt | an abrupt burst of growth that usually lasts two to three years |
| puberty | the specific developmental changes that lead to the ability to reproduce |
| primary sex characteristics | characteristics that are directly involved in reproduction |
| secondary sex characteristics | other characteristics that distinguish males and females but are not directly involved in reproduction |
| menarche | the first menstruation is a major life event for most girls |
| clique | peer groups of 5 to 10 people who spend a great deal of time with one another, sharing activities and confidences. |
| crowd | larger groups of people who do not spend as much time together but share attitudes and group identity |
| identity crisis | is a turning point in a person's development when the person examines his or her values and makes or changes decisions about life roles |
| identity status | reaction patterns and processes |
| identity moratorium | when teens delay making commitments about important questions |
| identity foreclosure | teens make a commitment that shuts out other possibilities |
| identity diffusion | teens that seem to be constantly searching for meaning in life and for identity because they have not committed themselves to a set of personal beliefs or an occupational path |
| identity achievement | teens who have coped with crises and have explored options |
| anorexia nervosa | a life-threatening disorder characterized by self-starvation and a distorted body image |
| bulimia | characterized by binging, or compulsive overeating followed by purging, or self-induced vomiting or the use of laxatives |
| juvenile delinquency | refers to the many illegal activities committed by children or adolescents |
| status offense | less serious offenses are illegal only when they are committed by minors. For example, truancy, drinking, smoking, and running away from home |
