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Socioeconomic status amplifies the achievement gap throughout compulsory education independent of intelligence

von Stumm, Sophie (2017) Socioeconomic status amplifies the achievement gap throughout compulsory education independent of intelligence. Intelligence, 60. pp. 57-62. ISSN 0160-2896

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Identification Number: 10.1016/j.intell.2016.11.006

Abstract

Children from lower socioeconomic status (SES) families tend to perform worse in school than children from more privileged backgrounds. However, it is unclear to what extent differences in intelligence account for the academic achievement gap between high and low SES children. A large, UK representative sample of 5804 children was assessed on intelligence and academic performance at the ages 7, 9, 10, 12, 14 and 16 years. Latent growth curve analysis showed that SES was positively associated with academic performance at age 7 (i.e. intercept; Est = 0.07; CI 95% 0.06 to 0.07; β = 0.32) and gains in academic performance or growth from age 7 to 16 (i.e. slope; Est = 0.02; CI 95% 0.01 to 0.02; β = 0.44). The associations were substantially attenuated but remained significant after adding IQ (intercept: Est = 0.03; CI 95% 0.04 to 0.07; β = 0.14; slope: Est = 0.01; CI 95% 0.01 to 0.01; β = 0.28), which accounted for 40% of the variance in academic performance and growth, respectively. Although IQ was the strongest predictor of academic performance from age 7 through 16, SES was associated with an independent benefit of half a grade level on average by the end of compulsory education.

Item Type: Article
Official URL: https://www.journals.elsevier.com/intelligence
Additional Information: © 2016 Elsevier Inc.
Divisions: Psychological and Behavioural Science
Subjects: H Social Sciences > H Social Sciences (General)
L Education > L Education (General)
Sets: Departments > Psychological and Behavioural Science
Date Deposited: 12 Feb 2018 16:53
Last Modified: 12 Feb 2018 16:53
URI: http://eprints.lse.ac.uk/id/eprint/86760

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