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Key People
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Albert Bandura
  • I am an architect of contemporary social cognitive theory.
  • I say that behavior, environment, and a person's cognitive factors interact reciprocally.
  • I believe environment determines a person's behavior and vice versa.
  • I think that environment influences people's cognitive factors and vice versa.
  • I believe that we also learn through observation.
Peter Blos
  • I am a British psychoanalyst.
  • I am a neo-Freudian and a contemporary of Anna Freud and Erik Erikson.
  • I believe defense mechanisms provide us with insight into adolescent development.
  • I say that regression is an integral, normal, inevitable, and universal aspect of puberty.
  • I created developmental substages of adolescence.
  • I theorized about the influence of sociocultural factors on the development of the ego in adolescence.
Urie Bronfenbrenner
  • I developed the ecological contextual theory of development.
  • My theory states there are five systems that interact to influence individuals.
  • I added biological influence to my theory and renamed it the bioecological theory, but environmental context still predominates my theory.
  • I have always supported the dissemination of and application of developmental theory and research to influence social policies.
  • I am one of the founders of the Head Start program for young at-risk children.
Nancy Chodorow
  • I created a feminist revision of psychoanalytic theory.
  • I emphasize that more women than men define themselves in terms of their relations and connections to others.
  • I also believe in the meaningfulness of emotions for women and that many men use the defense mechanism of denial.
  • I rely heavily on object-relations theory in understanding people.
  • I was greatly influenced by Neo-Freudians Karen Horney and Melanie Klein.
Erik Erikson
  • I believe that Freud misjudged some important dimensions of human development.
  • I generated one of the most important developmental theories of the 20th century.
  • I argued that humans develop in psychosocial stages.
  • I proposed that people go through eight stages of development.
  • Each one of my stages consists of a developmental task that confronts individuals with a crisis that they must face.
Anna Freud
  • I am a psychoanalyst and often considered the founder of child psychoanalysis.
  • I am Sigmund Freud's daughter.
  • I expanded upon Sigmund Freud's work.
  • I believe defense mechanisms are key to understanding adolescent development.
  • I say adolescent problems are due to the urges associated with attachment to "love objects" (usually parents).
Sigmund Freud
  • I believe that the personality has three structures: the id, ego, and superego.
  • I think that adolescent's lives are filled with tension and conflict.
  • I argue that adolescents reduce tension by locking conflicts in their unconscious mind.
  • The Iceberg Analogy is part of my theory.
  • I developed the idea of defense mechanisms.
  • I also developed the idea of psychosexual stages.
Karen Horney
  • I am a psychoanalytic theorist.
  • I provided the first feminist-based critique of Freud's theory.
  • I developed a model of women with positive feminine qualities and self-evaluation.
  • My criticisms of Freud's theory included references to a male-dominated society and culture.
  • I believe that neurosis is often times an attempt at coping with life that isn't effective.
Reed Larson and Maryse Richards
  • We conducted research together.
  • We used the experience sampling method to study adolescent emotions.
  • We found that adolescents experienced emotions that were extreme and fleeting.
  • We studied the effects of emotions on family life.
Walter Mischel
  • I am an architect of contemporary social cognitive theory, which I originally called social learning theory.
  • I say that behavior, environment, and a person's cognitive factors interact reciprocally.
  • I believe environment determines a person's behavior.
  • I think that environment influences people's cognitive factors and vice versa.
Jean Piaget
  • I am a famous Swiss developmental psychologist.
  • I proposed an important theory of cognitive development.
  • My theory states that individuals actively construct their understanding of the world.
  • My theory also states that individuals go through four stages of cognitive development.
  • Each of my stages is age-related and consists of distinct ways of thinking.
Robert Siegler
  • I am a leading expert on information processing.
  • I believe that thinking is information processing.
  • I say thinking is when individuals, perceive, encode, represent, store, and retrieve information.
  • I believe that an important aspect of development is to learn good strategies for processing information.
B. F. Skinner
  • My theories focus on operant conditioning.
  • I believe that development is behavior.
  • I say that rewards and punishments shape individuals.
  • I think development is learned.
  • I believe development occurs according to environmental experiences.
Lev Vygotsky
  • I am a Russian psychologist.
  • I believe that children actively construct their knowledge.
  • My theory is a sociocultural cognitive one.
  • My theory also emphasizes developmental analysis, the role of language, and social relations.
  • I articulated unique and influential ideas about the relation between learning and development.







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