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The influence of reading ability on subsequent changes in verbal IQ in the teenage years

Ramsden, S; Richardson, FM; Josse, G; Shakeshaft, C; Seghier, ML; Price, CJ; (2013) The influence of reading ability on subsequent changes in verbal IQ in the teenage years. Developmental Cognitive Neuroscience , 6 pp. 30-39. 10.1016/j.dcn.2013.06.001. Green open access

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Abstract

Intelligence Quotient (IQ) is regularly used in both education and employment as a measure of cognitive ability. Although an individual's IQ is generally assumed to stay constant across the lifespan, a few studies have suggested that there may be substantial variation at the individual level. Motivated by previous reports that reading quality/quantity has a positive influence on vocabulary acquisition, we hypothesised that reading ability in the early teenage years might contribute to changes in verbal IQ (VIQ) over the next few years. We found that good readers were more likely to experience relative improvements in VIQ over time, with the reverse true for poor readers. These effects were largest when there was a discrepancy between Time 1 reading ability and Time 1 VIQ. In other words, VIQ increases tended to be greatest when reading ability was high relative to VIQ. Additional analyses supported these findings by showing that variance in VIQ change associated with Time 1 behaviour was also associated with independent measurements of brain structure. Our finding that reading in the early teenage years can predict a significant proportion of the variance in subsequent VIQ change has implications for targeted education in both home and school environments.

Type: Article
Title: The influence of reading ability on subsequent changes in verbal IQ in the teenage years
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.dcn.2013.06.001
Publisher version: http://dx.doi.org/10.1016/j.dcn.2013.06.001
Language: English
Additional information: This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY NC ND), which permits distribution. You may not use this work for commercial purposes or alter, transform, or build upon this work. The original author and source must be credited.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Imaging Neuroscience
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Inst of Clinical Trials and Methodology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Inst of Clinical Trials and Methodology > MRC Clinical Trials Unit at UCL
URI: https://discovery.ucl.ac.uk/id/eprint/1400122
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