psychology 9 key terms chapter 9

Eating disorder that involves the relentless pursuit of thinness through starvation.

Eating disorder in which the individual consistently follows a binge-and-purge pattern.

Powerful chemical substances secreted by the endocrine glands and carried through the body by the bloodstream.

Piaget's formal operational concept that adolescents have the cognitive ability to develop hypotheses, or best guesses, about ways to solve problems.

Part of adolescent egocentrism in which adolescents believe that others are as interested in them as they themselves are; includes attempts to be noticed an

Part of adolescent egocentrism that involves an adolescent's sense of uniqueness and invincibility.

Period of rapid skeletal and sexual maturation that occurs mainly in early adolescence.

Form of education that promotes social responsibility and service to the community

The circumstance of moving from the top position in elementary school to the lowest position in middle or junior high school