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Refractive state, intelligence, education, and Lord's paradox
Stockholm University, Faculty of Social Sciences, Centre for Social Research on Alcohol and Drugs (SoRAD). Karolinska Institutet, Sweden.
Number of Authors: 4
2017 (English)In: Intelligence, ISSN 0160-2896, E-ISSN 1873-7935, Vol. 61, 115-119 p.Article in journal (Refereed) Published
Abstract [en]

In a cohort of Swedish men (N = 45.906), we found that men with myopia had higher' levels of intelligence and education than men with emmetropia and both these groups had higher levels than men with hyperopia. The educational advantage of myopia was reduced by 47-66 percent when adjusting for intelligence but still remained significant. When adjusting for intelligence hyperopes had a higher level of education than emmetropes. Hyperopes also had the highest level of education compared to their level of intelligence. The reversal in the difference between hyperopes and emmetropes when adjusting for intelligence could be seen as an example of Lord's paradox, possibly due to hyperopes having a higher level of intelligence than emmetropes with the same intelligence test score.

Place, publisher, year, edition, pages
2017. Vol. 61, 115-119 p.
Keyword [en]
Education, Intelligence, Lord's paradox, Refractive state
National Category
Psychology
Identifiers
URN: urn:nbn:se:su:diva-142705DOI: 10.1016/j.intell.2017.01.011ISI: 000395606300016OAI: oai:DiVA.org:su-142705DiVA: diva2:1093362
Available from: 2017-05-05 Created: 2017-05-05 Last updated: 2017-05-05Bibliographically approved

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