Intelligence articles from December 2000

Intelligence archives from December 2000

Performance on Raven's Matrices by African and White University Students in South Africa.
December 1, 2000... For many psychologists, South Africa's transition to majority rule in 1994 and the concomitant dismantling of the "apartheid" system of "separate development" raised questions about whether Euro-American test norms were equally suitable for...

Genetic and Environmental Influences on Two Measures of Speed of Information Processing and Their Relation to Psychometric Intelligence: Evidence from the German Observational Study of Adult Twins.
December 1, 2000... Finally, multivariate genetic analyses suggested that most of the phenotypic correlation between mental speed and intelligence is due to genetic factors. INTRODUCTION In the last 20 years, research on the "mental speed" approach to...

Measuring Cognitive Aptitude Using Unobtrusive Knowledge Tests: A New Survey Technology.
December 1, 2000... In earlier research, we demonstrated that accurate cognitive aptitude scores could be obtained by administering a computer adaptive test of word knowledge over the telephone (Legree, Fischl, Gade, & Wilson, 1998). The adaptive test required...

Genetic Influence on the Variance in Coincidence Timing and Its Covariance with IQ: A Twin Study.
December 1, 2000... Performance measures on a coincidence timing task have previously been associated with psychometric IQ suggesting that the ability of an individual to devote processing resources at the required time may account for some of intelligence test...