How Socioeconomic Status Affects Cognitive Development of Children

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The development of children can depend on many factors, one of the important ones being socioeconomic status (SES). SES can be defined as a multidimensional construct, including measures of social factors such as power, prestige and hierarchical social status, and economic resources (Hackman and Farah, 2009). Child development can be studied from multiple dimensions such as physical, mental, social, and emotional development among others. For the purposes of this study, I will be focusing on how socioeconomic status affects child cognitive development.

Cognitive development is the development of memory, reasoning, problem-solving and thinking abilities in a child. A UK based study about Socioeconomic Status and Children’s Intelligence based on the environment was conducted. In previous studies, where they studies genes and intelligence, it was seen that the results varied from study to study. Some studies found that in low-SES families, genetic factors have less of the variance in intelligence; the reverse is found for high-SES families (Hanscombe, Trzaskowski, Haworth, Davis, Dale, and Plomin, 2012). Other studies have reported an effect in the opposite direction. Since the results on intelligence and genes were varied, the researchers looked into environmental factors that may affect the intelligence in children. In the research they used 8716 twin pairs from the Twins Early Development Study, and replicated moderating effect of SES on children’s intelligence at ages 2, 3, 4, 7, 9, 10, 12 and 14 to find lower heritability in lower-SES families. In the results they found a greater variance in intelligence in low-SES families, but minimal evidence of gene interaction across the all eight ages. It was found that there were no m...

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Hackmen, D., & Farah, M. Socioeconomic status and the developing brain. Trends in Cognitive science, 13, 65-73. Retrieved May 1, 2014, from http://www.sciencedirect.com.ezproxy.lib.uh.edu/science/article/pii/S1364661308002635

Hanscombe KB, Trzaskowski M, Haworth CMA, Davis OSP, Dale PS, et al. (2012) Socioeconomic Status (SES) and Children’s Intelligence (IQ): In a UK- Representative Sample SES Moderates the Environmental, Not Genetic, Effect on IQ. PLoS ONE 7(2): e30320. doi:10.1371/journal.pone.0030320

Osler, M., Avlund, K., & Mortensen3, E. L. Socio-economic position early in life, cognitive development and cognitive change from young adulthood to middle age. European Journal of Public Health, 23, 974-980. Retrieved May 1, 2014, from http://www.sciencedirect.com.ezproxy.lib.uh.edu/science/article/pii/S1364661308002635

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