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Developmental psychology studies psychological change across the entire human lifespan, not only childhood.
Developmental psychology is the scientific study of how human thinking, emotions, behavior, and relationships change across the lifespan. Although it initially focused on infants and children, the field now examines development from infancy through adolescence, adulthood, aging, and the entire life course. Its major dimensions include physical development, cognitive development, and social-emotional development, covering topics such as motor skills, language, moral reasoning, personality, identity, emotional growth, and social relationships. Developmental psychologists investigate how biological factors, individual characteristics, social contexts, culture, and the environment interact to shape development. Major theories explain development in different ways. Freud emphasized psychosexual stages, Piaget described stages of cognitive development, Kohlberg focused on moral reasoning, and Erikson proposed eight psychosocial stages across the lifespan. Bronfenbrenner highlighted the influence of nested environmental systems, while Vygotsky emphasized culture, social interaction, and the zone of proximal development. Other important perspectives include constructivism, evolutionary developmental psychology, and attachment theory. Ongoing debates address the roles of nature and nurture, developmental stages and continuous change, biological essentialism and neuroplasticity, and individual differences in developmental pathways.
Developmental psychology studies psychological change across the entire human lifespan, not only childhood.
The field examines physical, cognitive, and social-emotional development, including language, morality, personality, identity, and relationships.
Development is shaped by interactions between biological characteristics, individual behavior, social relationships, culture, and environmental systems.
Important theories include Freud's psychosexual theory, Piaget's cognitive-developmental theory, Kohlberg's moral-development theory, and Erikson's psychosocial theory.
Bronfenbrenner emphasized nested environmental systems, while Vygotsky emphasized cultural learning, social interaction, and supportive guidance.
Major debates concern nature versus nurture, stage-based versus dynamic development, and biological determination versus developmental plasticity.
Changes in the body, brain, motor abilities, and physiological functioning across the lifespan.
Changes in thinking, perception, memory, language, reasoning, and problem-solving abilities.
Changes in emotions, personality, relationships, self-concept, identity, and social behavior.
Freud's theory that personality develops through stages centered on changing sources of pleasure and psychological conflict.
Piaget's proposed sequence of sensorimotor, preoperational, concrete operational, and formal operational forms of thinking.
The development of reasoning about justice, rules, social conventions, and ethical principles.
Erikson's theory that people face eight major social and emotional conflicts throughout the lifespan.
Bronfenbrenner's framework describing how nested environmental systems influence development.
The range of tasks a learner can complete with guidance from a more skilled adult or peer but not yet independently.
The view that learners actively build knowledge by interpreting experiences and interacting with their social and cultural environments.
The theory that emotionally meaningful relationships between infants and caregivers support survival, security, and later social development.
The capacity of development to change in response to biological processes, experience, and environmental conditions.
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