transition between childhood and adulthood entailing major physical, cognitive, and psychosocial changes
Puberty
Process by which a person attains sexual maturity and the ability to reproduce
Primary sex characteristics
organs directly related to reproduction which enlarge and mature during adolescence.
Secondary sex characteristics
physiological signs of sexual maturation (such as breast development and growth of body hair) that do not involve the sex organs.
Adolescent growth spurt
Sharp increase in height and weight that precedes sexual maturity.
Spermarche
Boy's first ejaculation
Menarche
Girl's first menstruation
Secular trend
trends that can be seen only by observing several generations, such as, the trend toward earlier attainment of adult height and sexual maturity, which began a century ago in some countries.
Body image
descriptive evaluative beliefs about one's appearance
Anorexia nervosa
Eating disorder characterized by self-starvation.
Bulimia nervosa
Eating disorder in which a person regularly eats huge quantities of food and then purges the body by laxatives, induced vomiting, fasting, or excessive exercise.
Binge eating disorder
Eating disorder in which a person loses control over eating and binges huge quantities of food
Binge drinking
Consuming 5 or more drinks (for men) and 4 or more drinks (for women) on one occasion.
Formal operations
Piaget's final stage of cognitive development characterized by the ability to think abstractly.
Hypothetical-deductive reasoning
Ability believed by Piaget, to accompany the stage of formal operations to develop, consider, and test hypotheses.
Preconventional morality
First level of Kohlberg's theory of moral reasoning in which control is external and rules are obeyed in order to gain rewards or avoid punishment or out of self-interest.
Conventional morality
also known as morality of conventional role conformity, it is the second level in Kohlberg's theory of moral reasoning in which standards of authority figures are internalized.
Postconventionalmorality
Also known as the morality of autonomous moral principles. It is the third level of Kohlberg's theory of moral reasoning, in which people follow internally held moral principles and can decide among conflicting moral standards.
Orientation toward punishment and obedience
Stage 1, child obey rules to avoid punishment.
Instrumental purpose and exchange
Stage 2, children conform to rules out of self-interest and consideration for what others can do for them
Maintaining mutual relations, approval of others, the golden rule
Stage 3, children want to please and help others, can judge the intentions of others, and develop there own ideas of what a good person is.
Social concern and conscience
Stage 4, people are concerned with doing their duty, showing respect for higher authority, and maintaining the social order.
Morality of contract, of individual rights, and of democratically accepted law.
Stage 5, people think in rational terms, valuing the will of the majority and the welfare of society.
Morality of universal ethical principles
Stage 6, people do what they as individuals think is right, regardless of legal restrictions or the opinions of others.