Developmental Psychology

Developmental psychology studies how individuals change over time, especially during the childhood period.

Conservation refers to a logical thinking ability that allows a person to determine that a certain quantity will remain the same despite adjustment of the container, shape, or apparent size, according to the psychologist Jean Piaget.

The purpose of the study was to understand when the control of delayed gratification, the ability to wait to obtain something that one wants, develops in children.

Social constructivism recognizes and embraces the individuality and complexity of each learner, actively encouraging and rewarding it as a vital component of the learning process.

Edward Tronick is an American developmental psychologist

Psychology, developmental psychology, comparative psychology, experimental psychology, ecological psychology

Developmental psychology

Research in developmental psychology suggests that an infant's ability to imitate others lies at the origins of both theory of mind and other social-cognitive achievements like perspective-taking and empathy.

Historically, Freud's theory was pioneering in its highlighting of the importance of childhood, and influenced attachment theory (which is also criticized as non-factual), psychodynamic psychotherapy, and developmental psychology generally.

Erikson's stages of psychosocial development, as articulated in the second half of the 20th century by Erik Erikson in collaboration with his wife Joan Erikson, is a comprehensive psychoanalytic theory that identifies a series of eight stages that a healthy developing individual should pass through from infancy to late adulthood.

A parenting style is a pattern of behaviors, attitudes, and approaches that a parent uses when interacting with and raising their child.

Genie (born 1957) is the pseudonym of an American feral child who was a victim of severe abuse, neglect, and social isolation.

The A-not-B error is an incomplete or absent schema of object permanence, normally observed during the sensorimotor stage of Jean Piaget's theory of cognitive development.

Joint attention or shared attention is the shared focus of two individuals on an object.

Empty nest syndrome is a transitional emotional experience characterized by feelings of grief, loneliness, depression, anxiety, and loss of purpose that parents may encounter when their children leave home, such as to live on their own or to pursue a higher education.

Secure attachment is classified by children who show some distress when their caregiver leaves but are able to compose themselves quickly when the caregiver returns.

Reactive attachment disorder (RAD) is an attachment disorder characterized by markedly disturbed and developmentally inappropriate ways of relating socially in most contexts.

Parallel play is a form of play in which children engage in recreational activities adjacent to each other, without trying to influence one another's behavior.

In imprinting and developmental biology, a critical period is a maturational stage in the lifespan of an organism during which the nervous system is especially sensitive to certain environmental stimuli.

A midlife crisis is a transition of identity and self-confidence that can occur in middle-aged individuals, typically 40 to 65 years old.

Imaginary friends (also known as pretend friends, invisible friends or made-up friends) are a psychological and a social phenomenon where a friendship or other interpersonal relationship takes place in the imagination rather than physical reality.

There has always been interest in studying various species of primate; important contributions to social and developmental psychology were made by Harry F. Harlow's studies of maternal deprivation in rhesus monkeys.

The field was founded in 1969 and includes a broad interdisciplinary foundation, drawing on clinical, developmental, social, cognitive, behavioral, counseling, community and school psychology.

School psychology is a field that applies principles from educational psychology, developmental psychology, community psychology, and behavior analysis to meet the learning and behavioral health needs of children and adolescents.

Carstensen is best known in academia for socioemotional selectivity theory, which has illuminated developmental changes in social preferences, emotional experience and cognitive processing from early adulthood to advanced old age.

was an American developmental psychologist and a pioneer of behavior therapy

Baillargeon's work continues to be influential in developmental psychology.

is a German-British developmental psychologist

was a German-Canadian developmental psychologist

He was one of the key pioneers of developmental psychology.

it was his contributions to developmental psychology that were the most important

known for his research and contributions to the fields of child hygiene and child development

carrying out scientific work in the field of developmental psychology

Erik Homburger Erikson (born Erik Salomonsen; 15 June 1902 - 12 May 1994) was a German-American child psychoanalyst and visual artist known for his theory on psychosocial development of human beings.

Lawrence Kohlberg (; October 25, 1927 - January 17, 1987) was an American psychologist best known for his theory of stages of moral development.

Mary Dinsmore Ainsworth (née Salter; December 1, 1913 - March 21, 1999) was an American-Canadian developmental psychologist known for her work in the development of the attachment theory.

Sir Simon Philip Baron-Cohen (born 15 August 1958) is a British clinical psychologist and professor of developmental psychopathology at the University of Cambridge.

The zone of proximal development (ZPD) is a concept in educational psychology that represents the space between what a learner is capable of doing unsupported and what the learner cannot do even with support.

The ERG theory is a theory of human need proposed by Clayton Alderfer, which built upon Maslow's hierarchy of needs by categorizing needs relating to existence, relatedness and growth.

Diana Blumberg Baumrind (August 23, 1927 - September 13, 2018) was an American developmental psychologist known for her research on parenting styles and for her critique of the use of deception in psychological research.

Nancy Bayley (28 September 1899 - 25 November 1994) was an American psychologist best known for her work on the Berkeley Growth Study and the subsequent Bayley Scales of Infant Development.

Ecological systems theory is a broad term used to capture the theoretical contributions of developmental psychologist Urie Bronfenbrenner.

Egocentrism is the tendency to view situations primarily from one's own perspective and to have difficulty understanding or considering the perspectives of others.

The Kewpie doll effect is a term used in developmental psychology derived from research in ethology to help explain how a child's physical features, such as lengthened forehead and rounded face, motivate the infant's caregiver to take care of them.

Moral disengagement is a term from developmental psychology, educational psychology and social psychology for the process of convincing the self that ethical standards do not apply to oneself in a particular context.

Jane Loevinger Weissman (February 6, 1918, January 4, 2008) was an American developmental psychologist who developed a theory of personality which emphasized the gradual internalization of social rules and the maturing conscience for the origin of personal decisions.

Anderson and Goodenough were noted as offering some of the first undergraduate and graduate courses in developmental psychology.

Reuven Feuerstein (Hebrew: ראובן פוירשטיין; August 21, 1921, April 29, 2014) was a Romanian-born Israeli clinical, developmental, and cognitive psychologist, known for his theory of intelligence.

Charlotte Bühler (née Malachowski; 20 December 1893-3 February 1974) was a German-American developmental psychologist.

Loevinger's stages of ego development are proposed by developmental psychologist Jane Loevinger (1918-2008) and conceptualize a theory based on Erik Erikson's psychosocial model and the works of Harry Stack Sullivan (1892-1949) in which "the ego was theorized to mature and evolve through stages across the lifespan as a result of a dynamic interaction between the inner self and the outer environment".

Developmental psychologists study the progression of impulse control and delay of gratification over the lifespan, including deficiencies in development that are closely related to attention deficits and behavior problems.

Generally regarded as one of the world's leading scholars in the field of developmental psychology, Bronfenbrenner's primary theoretical contribution was his Ecological Systems Theory, in which he delineated four types of nested systems.