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Child Development

Child Development

TYPES OF PROCESSES THAT INFLUENCE DEVELOPMENT

DIFFERENT DOMAINS OF CHILD DEVELOPMENT

CHANGING METHODOLOGIES IN THE STUDY OF CHILD DEVELOPMENT

BIBLIOGRAPHY

Child development is the study of the different processes assumed to influence human growth and development from birth through adolescence. Development takes place within multiple domains (e.g., cognitive, physical, socio-emotional). Yet the processes underlying development can be common across the different domains of development.

TYPES OF PROCESSES THAT INFLUENCE DEVELOPMENT

In-wired Development Although human beings grow and develop at different paces, there are some aspects of development that are consistent for most, if not all, human beings. This consistency suggests that human bodies are designed to grow and develop in a relatively sequential and orderly fashion because the mechanisms responsible for these changes are in-wired. That is, these mechanisms are present at birth and are essentially time-released through adolescence and beyond. For example, an infant will exhibit a grasping reflex when his or her palm is touched. At a later stage, that same infant will develop greater strength and more finely tuned motor skills, such as the ability to intentionally pick up and manipulate an interesting toy.

Development Through Acting Upon the Environment Children are born with sense systems (i.e., vision, smell, hearing, taste, and touch) that allow them to explore and act upon people and objects in their environments. Children may throw different things to see if they bounce or make interesting sounds (e.g., balls, cups, keys). They may place different things in their mouths (e.g., their mothers fingers, rattles) to see if they are hard or soft or can fit inside their mouths. Children may perceive certain smells and associate them with different experiences. It is through active exploration that children begin to learn the properties of different things and relate them to other things that they know.

Development Through Passive Reactions to the Environment Childrens development can also be stimulated by their exposure to the activities that take place in the contexts in which they live and function. For instance, language development is stimulated by immersion within specific language environments. Researchers have found critical periods in early infant development whereby simple exposure to everyday conversation helps children develop the ability to produce certain phonemes (speech sounds) specific to a language. If immersion within specific language environments occurs after a certain periodapproximately six to nine months of agethen the child will not be able to make some speech sounds in the same manner as a native speaker.

DIFFERENT DOMAINS OF CHILD DEVELOPMENT

Child development researchers seek to identify and understand age-related developmental changes and abilities and how outside influences such as context (e.g., Urie Bronfenbrenners ecological systems theory) and culture (e.g., A. Wade Boykins triarchic theory of minority child development) affect developmental outcomes. Below are brief descriptions of the different domains in which development can take place.

Biological Domain Physical development refers to the development of the entire human body, including changes in physical stature and strength, pubertal changes in adolescence, the development of perceptual and motor skills, and brain development. Arnold Gesells (1880-1961) maturational theory proposed that childrens growth and development is biologically driven and unfolds in a series of fixed sequences or milestones in physical, motor, and perceptual domains. Although children vary in their rates of development (e.g., they dont all start to crawl or talk at exactly the same age), they all progress through the same sequences.

Sensory and perceptual development. Perception is the organization and interpretation of information received through our senses. Although sensory systems are functional at birth, they are not yet mature. In The Construction of Reality in the Child (1954), Jean Piaget (1896-1980) asserted the beliefalso held by other theoriststhat senses function independently at birth, and with development and experience become more interconnected. By interacting with the environment, children actively construct an understanding of the world, gradually making connections between different types of sensory information.

Other theorists, such as Eleanor Gibson (1910 2002) in Principles of Perceptual Learning and Development (1969), argue that the main task of perceptual development is for children to discover the function or permanent properties of objects. Gibson developed the first visual cliff method to assess depth perception. The visual cliff strategy helped demonstrate that most infants refused to crawl over the edge of a small cliff with a dropoff covered by glass. Their refusal to crawl over the edge was assumed to indicate that they could perceive depth and that depth perception is not learned. Rather, the environment is learned in that it contains information necessary for individuals to make decisions about how to navigate it (e.g., where to walk and not walk). These experiences demonstrate the interconnections between the childs physical world and cognitive development.

Cognitive Domain Piagets theory of cognitive development describes how children construct an understanding of the world by interacting with their physical and social environments. Children adapt to their environments by developing mental organizations, or schemes, to organize their understanding of the world. Adaptation consists of two processesassimilation and accommodation. Assimilation involves fitting new information into existing schemes (e.g., a child calling a cat doggy because it has four legs and fur). Accommodation involves altering existing schemes to accept new information (e.g., a child altering his or her scheme for doggy to include barking so that the scheme can no longer include cats).

Lev Vygotskys (1896-1934) sociocultural theory stresses the importance of social interactions to cognitive development. Vygotsky asserted that learning is a socially mediated, cultural activity that takes place within the zone of proximal development (ZPD). Specifically, the ZPD denotes the difference between what children can do on their own and what they can accomplish with the support of more knowledgeable individuals from their culture.

It is important to note that what and how children learn is influenced by their cognitive developmental status. For example, children might be able to learn and repeat complex words and phrases in middle childhood, yet not be able to understand them conceptuallyin abstract termsuntil adolescence.

Psychosocial Domain Socioemotional development. There are critical precursors of social and psychological development. For instance, attachment refers to the development of an emotional bond between infant and mother or primary caregiver. Mary Ainsworth (1913-1999) developed the Strange Situation to determine the quality of the attachment between caregiver and child. This strategy assesses childrens reactions to their mothers after their mothers leave them alone in a room that is later entered by a stranger. The strategy assumes that if a child reacts in negative ways to the mother upon return, there is a poor relationship between caregiver and child. The importance of attachment to socioemotional and cognitive development was recognized by studies of infants in orphanages during the 1950s and 1960s. In the absence of an attachment relationship, these infants experienced severe developmental delays.

Ego-identity development. Sigmund Freud (1856 1939) believed that personality is formed in the first years of life as children deal with inner conflicts. Erik Erikson (1902-1994) extended Freuds theory, proposing that development unfolds in a series of stages spanning infancy to old age. Each developmental stage involves a challenge and corresponding consequence if that challenge is not met. For example, during infancy the challenge is for infants to develop a sense of trust in the world based on responsive caregiving. If the infants needs are not consistently met, the infant does not trust that the world is a safe place. This sense of mistrust affects children as they get older and face the developmental challenge of becoming more independent from their parents during adolescence.

While Erikson would characterize adolescence as the period in which identity development is the primary challenge to be resolved, the precursors of identity development can be recognized much earlier. Identity develops along a number of dimensions (e.g., gender, race, ethnicity, social class, physical ability, etc.). Often, different aspects of identity will only become salient for individuals when they become aware of specific differences between themselves and others (e.g., skin color, socioeconomic status, abilities, etc.). Children become aware of differences in treatment and the presence of stereotypes.

Mamie Phipps Clark (1917-1983) and Kenneth Clark (1914-2005) used doll studies to demonstrate the early awareness of social devaluation and negative racial stereotypes. The Clarks posited that black children become aware of racial stereotypes and develop personal racial preferences early in childhood. Doll studies are experimental strategies using dolls that do and do not share characteristics of a child (e.g., gender, skin color, clothing) in order to determine what and with whom a child identifies and the characteristics a child attributes to himself or herself. This strategy assumes that what children believe about the dolls can be indicative of their beliefs about themselves and their sense of identity and self-esteem. In 1954 the Clarks research was used in a landmark U.S. Supreme Court case, Brown v. Board of Education, to demonstrate that segregationwhich limited black Americans access to high-quality educational institutions and other resources readily available to white Americansresulted in low self-esteem among African American children. Specifically, the children in the Clarks studies associated being black (or having dark skin) with negative connotations (i.e., bad, dirty, not smart).

About twenty years later, Margaret Beale Spencer revisited the Clarks work, demonstrating how cognitive egocentrism a normative, cognitive developmental processcan protect the identity development of young black children, allowing them to maintain high self-esteem despite their awareness of negative racial stereotypes. That is, when they are still cognitively egocentric, children can be aware of color connotations yet not apply their knowledge of color connotations to themselves. Spencers subsequent research demonstrates how improvements in the ability to assume the perspectives of others and how becoming less cognitively egocentric in later developmental stagesanother normative cognitive developmental processresults in cognitive dissonance. That is, in the absence of positive racial socialization, young people face the difficult task of reconciling their perceptions of societal stereotypes with their perceptions of themselves and others who share their physical characteristics (i.e., phenotype). In contrast to the Clarks research, Spencer demonstrates both the complexity of identity formation processes and the multiple influences on identity development. While normative processes of cognitive development can influence how children perceive and make meaning of their daily experiences in terms of differences in race and varied indicators of social class, other external factors, such as racial socialization by parents, serve a protective function and mitigate the potentially detrimental effects of negative racial stereotypes on identity development.

More recent studies using similar methods to assess childrens awareness of negative stereotypes and color connotations have yielded similar findings. Yet, if the differences in interpretations asserted by the Clarks and Spencer are any indication, such findings must be interpreted within the specific social and historical contexts in which they are conducted. That is, in addition to cognitive developmental status, current social norms and socialization experiences must also be taken into account.

CHANGING METHODOLOGIES IN THE STUDY OF CHILD DEVELOPMENT

Given the diverse theories of development, there are different methodologies for determining the existing and emergent abilities of children and young people (e.g., the Strange Situation, mirror studies, puppet interviews, habituation studies, doll studies, etc). These strategies are based on assumptions about development, the meaning and function of observable behaviors, and similarities among the contexts in which children live and function. Some of these assumptions may be problematic, at best, when considering the experiences of diverse youth of color, immigrants, and youngsters from families that experience intergenerational poverty. As social scientists come up with improved theories, greater cultural competence, and better strategies for studying child behavior, increasingly articulated and nuanced understandings of child development are formulated.

SEE ALSO Adolescent Psychology; Ainsworth, Mary; Attachment Theory; Child Behavior Checklist; Children; Clark, Kenneth B.; Developmental Psychology; Erikson, Erik; Freud, Sigmund; Piaget, Jean; Research, Longitudinal

BIBLIOGRAPHY

Crain, William. 2000. Theories of Development: Concepts and Applications. 4th ed. Upper Saddle River, NJ: Prentice Hall.

Dupree, Davido, Margaret Beale Spencer, and Sonya Bell. 1997. African-American Children. In Transcultural Child Development: Psychological Assessment and Treatment, eds. Gloria Johnson-Powell and Joe Yamamoto, 237-268. New York: Wiley.

Muuss, Rolf E. 1996. Theories of Adolescence. 6th ed. New York: McGraw-Hill.

Rogoff, Barbara. 2003. The Cultural Nature of Human Development. New York: Oxford University Press.

Spencer, Margaret Beale. 2006. Phenomenology and Ecological Systems Theory: Development of Diverse Groups. In Handbook of Child Psychology, 6th ed., eds. William Damon and Richard Lerner, vol. 1, chap. 15, 829-893. Hoboken, NJ: Wiley.

Spencer, Margaret Beale, and Sanford Dornbusch. 1990. Challenges in Studying Minority Youth. In At the Threshold: The Developing Adolescent, eds. S. Shirley Feldman and Glenn Elliot, 123-146. Cambridge, MA: Harvard University Press.

Spencer, Margaret Beale, and Carol Markstrom-Adams. 1990. Identity Processes Among Racial and Ethnic Minority Children in America. Child Development 61 (2): 290-310.

Thomas, Alexander, and Stella Chess. 1977. Temperament and Development. New York: Bruner/Mazel.

Suzanne Fegley

Davido Dupree

Margaret Beale Spencer

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Child Development

Child development

The study of the sequential physical, cognitive, emotional, and social changes a child undergoes between birth and adolescence or adulthood.

The first detailed scientific study of child development was probably Charles Darwin 's Biographical Sketch of an Infant (1877), based on a log he had kept on the development

LANDMARK PUBLICATIONS ON CHILD DEVELOPMENT

1877 Charles Darwin's Biographical Sketch of an Infant, observations on development of his eldest child.

1880 G. Stanley Hall, the "father of child psychology in America," publishes The Contents of Children's Minds.

1914 John Broadus Watson publishes his most important work, BehaviorAn Introduction to Comparative Psychology.

1926 Jean Piaget publishes The Child's Conception of the World, followed ten years later by The Orgin of Intelligence in Children.

1934 Arnold Gesell publishes An Atlas of Infant Behavior, followed by Child in the Culture of Today (1943), The Child from Five to Ten (1946), and Child Development (1949).

1946 Benjamin Spock publishes The Common Sense Book of Baby and Child Care.

1950 Erik Erikson publishes Childhood and Society.

of his eldest child. In this work, Darwin advanced the hypothesis that each individual's development from birth to adulthood parallels or recapitulates the phylogenetic development of the human species as a whole (he had made a similar observation about the development of the fetus). Darwin's ideas influenced the early study of child development, also known as the child study movement.

In the United States, the most famous figure associated with Darwin's evolutionary approach was G. Stanley Hall , who was labeled "the father of child psychology in America." The development of intelligence testing around World War I directed attention to the intellectual development of children, especially those considered either gifted or mentally retarded. As the century progressed, emphasis shifted from the study of children as a source of scientific knowledge to a more altruistic endeavor aimed at improving their welfare. From Sigmund Freud and Jean Piaget to Benjamin Spock and T. Berry Brazelton , child development has been studied and written about to better understand of children in order to promote their well-being during the various stages of childhood , and to help them mature into healthy adults.

Freud developed many theories about the enormous influence of childhood experiences on adult behavior and also proposed a five-stage chronological model of childhood psychosexual development. The oral stage (birth to 1.5 years), in which primary gratification is through sucking, is followed by the anal stage (1.5 to 3 years), in which control of elimination is a primary concern. Next comes the phallic stage (3 to 7 years), during which a child experiences and resolves the Oedipal crisis and assumes his or her sexual identity. During the latency stage (ages 7 to 12) sexuality is dormant, and the primary love objects are people outside the home. With the genital stage, which begins at age 12 and lasts into adulthood, instinctual sexual drives increase and parental attachments are dissolved.

Arnold Gesell was among the first psychologists to undertake a thorough quantitative study of normal human development from birth through adolescence . Based on his work at Yale's Child Development Clinic and his own Institute, Gesell produced reports that had a widespread influence on both parents and educators, and created the Gesell Development Schedules, which are still used today to assess motor and language development , adaptive behavior, and personal-social behavior in children between four weeks and six years of age.

Probably the most famous theory of child development is the cognitive development model pioneered by the Swiss psychologist Jean Piaget. Piaget divided child development between birth and late adolescence into four stages of increasingly complex and abstract thought, each qualitatively different from the ones preceding it but still dependent on them. The first, or sensorimotor, stage (birth to approximately 2 years) is a time of nonverbal, experimental basic learning when infants experience the world primarily through their senses and gradually gain mastery of their own bodies and external objects. The preoperational stage (ages 2 to 6 years) involves the association of objects with words and the ability to solve more complex problems, although the child's focus at this stage remains egocentric, a term that refers to the inability to consider things from another person's perspective. The third, or concrete operations, stage (6 to 11 years of age) is a period during which categorizing activities and the earliest logical operations occur. The fourth, or formal operations, stage (ages 12 and higher) is characterized by the gradual emergence of a mature ability to reason and deal with abstract relationships.

Another well-known development theory structured in stages is the one proposed by neo-Freudian Erik Erikson in Childhood and Society (1950). While Erikson's eightstage theory encompasses the entire human life span, much of it is centered on childhood and adolescence. Each developmental stage in Erikson's scheme is concerned with a central conflict: trust versus mistrust in infancy ; autonomy versus doubt and shame in early childhood; initiative versus guilt in the preschool period; and industry versus inferiority during the early school years. The goals of the first four stages create the foundation for the successful negotiation of the fifth stage, in which the adolescent must form a stable identity and achieve a sense of self.

Lawrence Kohlberg 's work on the development of moral reasoning approaches childhood from a different perspective. After studying the different ways in which children aged 7 through adolescence respond to moral dilemmas, Kohlberg determined that there are universal stages in moral development , which, like the cognitive stages delineated by Piaget, differ from each other qualitatively. Children from the ages of 7 through about 10 act on the preconventional level, which involves deferring to adults and obeying rules based on the immediate prospect of punishment or reward. At around age 10, they progress to the conventional level, where their behavior is guided by the opinions of other people and the desire to conform. During adolescence, children become capable of postconventional morality, which entails the ability to formulate abstract moral principles and act on motives that transcend self-interest and even social norms that conflict with one's personal sense of justice.

In recent years, researchers in child development have focused increasingly on the developmental patterns and needs of minorities and women. Carol Gilligan, Kohlberg's colleague at Harvard University, found fault with Kohlberg's exclusive focus on white males in his initial research, and in her own study, In a Different Voice, Gilligan differentiates between male and female moral development. In contrast to the male problem solving approach to moral dilemmas based on an "ethic of justice," she describes a female "ethic of care" that is based on empathy and involves the perception of moral dilemmas in terms of conflicting responsibilities rather than competing rights.

Further Reading

Bee, Helen L. The Developing Child. 5th ed. New York: Harper & Row, 1989.

Dworetzky, John. Introduction to Child Development. 5th ed. Minneapolis: West Publishing Co., 1993.

Meinhold, Patricia. Child Psychology: Development and Behavior Analysis. Dubuque, IA: Kendall/Hunt Publishing Co., 1993.

Owens, Karen. The World of the Child. New York: Holt, Rinehart, and Winston, 1987.

Papalia, Diane E. A Child's World: Infancy through Adolescence. 5th ed. New York : McGraw-Hill, 1990.

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