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MCCh.+9 - Chapter 9 Lifespan Development Developmental...

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Chapter 9 Lifespan Development
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Developmental Psychology The study of how people change physically, mentally, and socially throughout the lifespan. Developmental psychologists study the influence of biological, environmental, social, cultural and behavioral factors that effect every stage of life Developmental psychologists conceptualize development in stages, normally defined by age Critical periods- periods during life when a child is maximally sensitive to environmental changes
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Genetic Contributions Chromosomes- long threadlike structures composed of DNA DNA- stores inherited information that guides the development of all living organisms. Genes- each DNA segment contains genes- the basic unit of heredity Genotype- the genetic makeup of an individual organism Phenotype- characteristics that are actually observed in an organism
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Development During Infancy and Childhood Physical Development
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Childhood Development Social and Personality Development
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