PSYA02H3 Chapter Notes - Chapter 10: Grey Matter, Lawrence Kohlberg, Strange Situation
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PSYA02H3 Full Course Notes
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Developmental psychology - is the study of change and stability of human physical, cognitive, social and behavioural characteristics across the life span. It is more cost-efficient to compare people of different ages at once rather than to follow the same individual for say twenty years. One issues to consider in cross sectional design is the potential for cohort effects. Cohort effects - are consequences of being born in a particular year or narrow range of years. "cohort" and "generation" refer to similar things in this context. Differences across age cohorts can be due to numerous factors including societal nutritional medical, and many other influences on both physical and behavioural development. Longitudinal design avoid the problems associated with cohort effects. Psychologist describe this pattern of change as a series of stages. The transition from stage to stage is very much like a growth spurt, except marked by a rapid shifts in thinking and behaving rather than size.
