Stages of Adolescent Development
Research Facts and Findings, May 2004
A publication of the ACT for Youth Center of Excellence
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by Sedra Spano
Adolescence is a time of great change for young people when physical changes are happening at an accelerated rate. But adolescence is not just marked by physical changes -- young people are also experiencing cognitive, social/emotional and interpersonal changes as well. As they grow and develop, young people are influenced by outside factors, such as their environment, culture, religion, school, and the media. A number of different theories or ways of looking at adolescent development have been proposed (see below). There are biological views (G. Stanley Hall), psychological views (Freud), psychosocial views (Erikson), cognitive views (Piaget), ecological views (Bronfenbrenner), social cognitive learning views (Bandura), and cultural views (Mead). Each theory has a unique focus, but there are many similar elements. While it is true that each teenager is an individual with a unique personality, special interests, and likes and dislikes, there are also numerous developmental issues that everyone faces during the early, middle and late adolescent years (American Academy of Child and Adolescent Psychiatry).
The normal feelings and behaviors of the middle school and high school adolescent can be categorized into four broad areas: moving toward independence; future interests and cognitive development; sexuality; and ethics and self-direction. Specific characteristics of normal adolescent behavior within each area are described below.
Early Adolescence (Approximately 12-14 years of age)
Movement Toward Independence
- Struggle with sense of identity;
- Moodiness;
- Improved abilities to use speech to express oneself;
- More likely to express feelings by action than by words;
- Close friendships gain importance;
- Less attention shown to parents, with occasional rudeness;
- Realization that parents are not perfect; identification of their faults;
- Search for new people to love in addition to parents;
- Tendency to return to childish behavior;
- Peer group influences interests and clothing styles.
Future interests and Cognitive Development
- Increasing career interests;
- Mostly interested in present and near future;
- Greater ability to work
Sexuality
- Girls ahead of boys;
- Shyness, blushing, and modesty;
- More showing off; Greater interest in privacy;
- Experimentation with body (masturbation);
- Worries about being normal
Ethics and Self-Direction
- Rule and limit testing;
- Occasional experimentation with cigarettes, marijuana, and alcohol;
- Capacity for abstract thought
Physical Changes
- Gains in height and weight;
- Growth of pubic and underarm hair;
- Body sweats more;
- Hair and skin become more oily;
- Breast development and menstruation in girls;
- Growth of testicles and penis,
- Nocturnal emissions (wet dreams),
- Deepening of voice,
- Growth of hair on face in boys
Middle Adolescence (approximately 15-16 years)
Movement Toward Independence
- Self-involvement, alternating between unrealistically high expectations and poor self-concept;
- Complaints that parents interfere with independence;
- Extremely concerned with appearance and with one's own body;
- Feelings of strangeness about one's self and body;
- Lowered opinion of parents, withdrawal from them;
- Effort to make new friends;
- Strong emphasis on the new peer group;
- Periods of sadness as the psychological loss of the parents takes place;
- Examination of inner experiences, which may include writing a diary
Future Interests and Cognitive Development
- Intellectual interests gain importance;
- Some sexual and aggressive energies directed into creative and career interests
Sexuality
- Concerns about sexual attractiveness;
- Frequently changing relationships;
- Movement towards heterosexuality with fears of homosexuality;
- Tenderness and fears shown toward opposite sex;
- Feelings of love and passion
Ethics and Self-Direction
- Development of ideals and selection of role models;
- More consistent evidence of conscience;
- Greater capacity for setting goals;
- Interest in moral reasoning
Physical Changes
- Continued height and weight gains;
- Growth of pubic and underarm hair;
- Body sweats more;
- Hair and skin become more oily;
- Breast development and menstruation in girls;
- Growth of testicles and penis,
- Nocturnal emissions (wet dreams),
- Deepening of voice,
- Growth of hair on face in boys
Late Adolescence (approximately 17-19 years)
Movement Toward Independence
- Firmer identity;
- Ability to delay gratification;
- Ability to think ideas through; Ability to express ideas in words;
- More developed sense of humor;
- Stable interests;
- Greater emotional stability;
- Ability to make independent decisions;
- Ability to compromise;
- Pride in one's work;
- Self-reliance;
- Greater concern for others
Future Interests and Cognitive Development
- More defined work habits;
- Higher level of concern for the future;
- Thoughts about one's role in life
Sexuality
- Concerned with serious relationships;
- Clear sexual identity;
- Capacities for tender and sensual love
Ethics and Self-Direction
- Capable of useful insight;
- Stress on personal dignity and self-esteem;
- Ability to set goals and follow through;
- Acceptance of social institutions and cultural traditions;
- Self-regulation of self esteem
Physical Changes
- Most girls fully developed;
- Boys continue to gain height, weight, muscle mass, body hair
Teenagers do vary slightly from the above descriptions, but the feelings and behaviors are, in general, considered normal for each stage of adolescence.
Theories of Adolescence (Muuss, R., et. al., 1996; Rice and Dolgin, 2002)
Developmental Area - Biological
- Primary Theorists - G. Stanley Hall, Arnold Gesell, James Tanner
- Main Focus - Physical and sexual development determined by genes and biology
Developmental Area - Psychological
- Primary Theorists - Sigmund Freud, Anna Freud
- Main Focus - Adolescence as a period of sexual excitement and anxiety
Developmental Area - Psychosocial
- Primary Theorist - Erik Erikson
- Main Focus - Identity formation; adolescents struggle between achieving identity and identity diffusion
Developmental Area - Cognitive
- Primary Theorist - Jean Piaget
- Main Focus - Formal operational thought; moving beyond concrete, actual experiences and beginning to think in logical and abstract terms
Developmental Area - Ecological (interaction between individual and environment)
- Primary Theorist - Urie Bronfenbrenner
- Main Focus - The context in which adolescents develop; adolescents are influenced by family, peers, religion, schools, the media, community, and world events.
Developmental Area - Social Cognitive Learning
- Primary Theorist - Albert Bandura
- Main Focus - The relationship between social and environmental factors and their influence on behavior. Children learn through modeling.
Developmental Area - Cultural
- Primary Theorists - Margaret Mead, Carol Gilligan
- Main Focus - The culture in which the child grows up.
What Parents Can Do
When young people feel connected to home, family, and school, they are less likely to become involved in activities that put their health at risk. Parental warmth and strong, positive communication helps young people to establish individual values and make healthy life decisions.
Nurture a positive relationship with your child. When parent-child interactions are characterized by warmth, kindness, consistency, respect, and love, the relationship will flourish, as will self-esteem, mental health, and social skills.
Encourage independent thought and expression in your child. Teens who are competent, responsible, and have high self-esteem have parents who encourage them to express their opinions and who include them in family decision making and rule setting.
Show genuine interest in your child's activities. This allows parents to monitor their child's behavior in a positive way. Parents who, together with their children, set firm boundaries and high expectations may find that their children's abilities to live up to those expectations grow.
References
- American Academy of Child and Adolescent Psychiatry (AACAP) website at http://www.aacap.org/publications/factsfam/develop.htm
- Focus Adolescent Services website at http://www.focusas.com/Parenting.html
A Clearinghouse of Information, Resources and Support
- Rice, P. and Dolgin, K. Adolescents in Theoretical Context from The Adolescent: Development, Relationships and Culture, 10th edition. Boston: Allyn and Bacon. 2002.
- Resnick MD et al. Protecting adolescents from harm: findings from the National Longitudinal Study on Adolescent Health. JAMA 1997; 278:823-32.
- Steinberg L. We know some things: parent-adolescent relationships in retrospect and prospect. Journal of Research in Adolescence 2001; 11:1-19.