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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.
  • I believe that evolution has resulted in biological adaptations that help us modify our environments.
David Buss
  • I believe that evolution influences our decision making abilities, aggressive behavior, fears, and mating patterns.
  • My ideas on evolutionary psychology have produced a wave of interest in the field.
  • My theory is that evolution can explain human behavior.
  • I believe evolution shapes our behavior as well as our physical features.
David More
  • I am a developmental psychologist.
  • I wrote The Dependent Gene.
  • I worked on the Human Genome Project.
  • I found that each segment of DNA does not act independently.
  • I found that humans appear to have more proteins than genes.
Charles Nelson
  • I am a developmental psychologist and cognitive neuroscientist.
  • I am a leading researcher studying adolescents' brains.
  • I have found that adolescents have strong emotions, but their brains have not developed enough to control these emotions.
  • I believe that parents and teachers should consider adolescents' brain development when placing expectations on teens.
Robert Plomin
  • I am a behavior geneticist.
  • My research is based on the study of twins and the effects of genes on the behavior of mice.
  • My research has found that shared environment has a minimal impact on adolescents' personality and interests.
  • My research also suggests that adolescents' genes influence the environments they choose.
Sandra Scarr
  • I am a behavioral geneticist.
  • I describe three ways in which heredity and environment are correlated.
  • My three correlations are passive, evocative, and active.
  • I believe the importance of each correlation differs as an infant develops into an adolescent.
  • I argue that infants tend to have more of a passive genotype-environment correlation.
Roberta Simmons and Dale Blythe
  • We conducted research together.
  • We studied adolescents' reactions to timing of physical maturity.
  • We found that boys were better off when they matured early as opposed to late.
  • We found that girls, generally speaking, were better off when they matured later.
Laurence Steinberg
  • I research adolescent brain development.
  • I believe that the pleasure and reward centers in the limbic system are related to adolescents' difficulties controlling their behavior.
  • I think that adults should restrict adolescents' opportunities to engage in dangerous behavior until they are better able to control themselves.







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