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Titolo:
The secular increase in test scores is a "Jensen effect"
Autore:
Colom, R; Juan-Espinosa, M; Garcia, LF;
Indirizzi:
Univ Autonoma Madrid, Fac Psicol, E-28049 Madrid, Spain Univ Autonoma Madrid Madrid Spain E-28049 Psicol, E-28049 Madrid, Spain
Titolo Testata:
PERSONALITY AND INDIVIDUAL DIFFERENCES
fascicolo: 4, volume: 30, anno: 2001,
pagine: 553 - 559
SICI:
0191-8869(200103)30:4<553:TSIITS>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
SEX-DIFFERENCES; GENERAL INTELLIGENCE; IQ DIFFERENCES; GAINS; RUSHTON;
Keywords:
Flynn effect; Jensen effect; generational IQ changes; crystallized intelligence; fluid intelligence; differential aptitude test (DAT); population differences;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Colom, R Univ Autonoma Madrid, Fac Psicol, E-28049 Madrid, Spain Univ Autonoma Madrid Madrid Spain E-28049 E-28049 Madrid, Spain
Citazione:
R. Colom et al., "The secular increase in test scores is a "Jensen effect"", PERS INDIV, 30(4), 2001, pp. 553-559

Abstract

The "Jensen effect" results from the correlation between the g factor and a huge number of psychological and biological variables, Although Rushton (Rushton, J. P. (1999). Secular gains in IQ not related to the g factor and inbreding depression - unlike Black-White differences: a reply to Flynn. Personality and Individual Differences, 26, 381-389) proposed that the secular increase in test scores is not a "Jensen effect", the present study demonstrates that this is true for crystallized tests but not fluid tests. A fluid g factor is correlated with the generational changes observed in two successive Spanish standardizations of the DAT battery. Contrary to Rushton's (1999) findings - based on a crystallised g there is a positive correlationbetween a fluid g and the generational cognitive change. There is one strong implication of the generational cognitive difference observed in the present study for the comparison of contemporary human populations: an environmental explanation of the current cognitive gap between some populations need only posit that the current average environment for population A (with alower average score) marches the quality of the average environment for population B (with a higher average score) a generation ago. (C) 2001 Elsevier Science Ltd. All rights reserved.

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Documento generato il 04/12/20 alle ore 06:53:51