FRHD 1010 Chapter Notes - Chapter 1: Birth Weight, Brainstem, Social Learning Theory

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Replication: repeating the procedures & methods of a study w/ different participants. This is often a 6th step and an important one. Question is how much not which b/c both affect characteristic. Genes do predispose people to be influenced by environment but the impact of environment depends partly on genetic vulnerability: a new discipline within genetics, epigenetics, explores the many ways environmental forces alter genetic expression. Sids until the mid-1990s, causes 10s of thousands of 2-6 month old babies to die: genetic & environmental factors. 1: beyond sleeping position other risks include low birth weight, brain-stem abnormality that produces little serotonin, cig smoke, soft blankets/pillow and bed sharing (sleeping in parents bed) Life-span perspective: an approach to the study of human development that takes into account all phases of life, not just childhood or adulthood: age periods are only a rough guide to change over time .

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