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Identification of a flynn effect in the NLSY: Moving from the center to the boundaries
University of Oklahoma, Norman, USA.
University of Oklahoma, Norman, USA.ORCID iD: 0000-0002-6590-3847
2007 (English)In: Intelligence, ISSN 0160-2896, E-ISSN 1873-7935, Vol. 35, no 2, p. 187-196Article in journal (Refereed) Published
Abstract [en]

The Flynn Effect [Flynn, J.R. (1984). The mean IQ of Americans: Massive gains 1932 to 1978. Psychological Bulletin 95, 29–51.] is an increase in IQ of around .33 points per year, observed in developed (and some developing) countries during the past century. It emerges from problem solving and other non-verbal components of IQ. The cause has been argued and theories proposed. Rodgers [Rodgers, J.L. (1998). A critique of the Flynn Effect: Massive IQ gains, methodological artifacts, or both? Intelligence 26, 337–356.] noted that the search for causes has preceded specification of the nature of the effect. Our study uses a national sample of U.S. children to test for the Flynn Effect in PIAT-Math, PIAT-Reading Recognition, PIAT-Reading Comprehension, Digit Span, and PPVT. An effect of the predicted magnitude was observed for PIAT-Math when maternal IQ was controlled. This finding in a large representative sample with thousands of variables supports more careful evaluation of the Flynn Effect, in demographic, geographic, environmental, and biological domains.

Place, publisher, year, edition, pages
Elsevier, 2007. Vol. 35, no 2, p. 187-196
Keywords [en]
Flynn Effect, PPVT, PIAT-Math, PIAT-Reading Recognition, PIAT-Reading Comprehension, IQ changes, NLSY, NLSY-children
National Category
Psychology (excluding Applied Psychology)
Identifiers
URN: urn:nbn:se:liu:diva-159667DOI: 10.1016/j.intell.2006.06.002ISI: 000244808400008Scopus ID: 2-s2.0-33846865593OAI: oai:DiVA.org:liu-159667DiVA, id: diva2:1343110
Available from: 2019-08-15 Created: 2019-08-15 Last updated: 2019-08-21Bibliographically approved

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Wänström, Linda

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  • apa
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  • ieee
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