The hypothesis is tested that the Raven’s Advanced Progressive Matrices (APM) has the same construct validity in African university students as it does in non-African university students. Analyses were made of scores from 294 highly select 17–23-year-olds in the Faculties of Engineering and the Built Environment at the University of the Witwatersrand (187 Africans, 40 East Indians, 67 Whites; 7...

Stereoscopic displays are used increasingly in cinema, television, and video-game industries, among others. A particularity of these displays is that they produce a mismatch between accommodation and vergence (Akeley, Watt, Girshick, & Banks, 2004; Eadie, Gray, Carlin, & Mon-Williams, 2000; Hoffman, Girshick, Akeley, & Banks, 2008; Howarth, 2011; Kim, Shibata, Hoffman, & Banks, 2011; Peli, 1995...

Selama masa pandemi COVID-19, tak jarang kita menyaksikan tampilnya karakteristik suka menolong pada manusia. Dalam komunitas luring mau-pun daring, berbagai aktivitas memberikan bantuan dan ajakan untuk ditam-pilkan, mulai dari donasi, membagi bahan-bahan makanan pokok, melibatkan diri dalam satuan tugas membantu para penderita hingga menjadi sukarelawan di rumah sakit. Ini menggugah peneliti ...

" (An) incendiary thesis....that separate races of human beings evolved different reproductive strategies to cope with different environments and that these strategies led to physical differences in brain size and hence in intelligence. Human beings who evolved in the warm but highly unpredictable environment of Africa adopted a strategy of high reproduction, while human beings who migrated to ...

After reviewing the debate that raged over Cyril Burt’s [Br. J. Psychol. 57 (1966) 137] finding of a correlation of .771 for IQ scores in 53 pairs of monozygotic twins raised apart, this paper provides the transcript of a previously unpublished speech by Burt given on May 2, 1964, at the age of 81, on the occasion of his appointment as Patron to the Association of Educational Psychologists (AEP...

In research on individual differences, various structural models aim at providing a comprehensive description of personality. These models assume multiple, mostly independent personality dimensions. More recently, the so-called General Factor of Personality (GFP) has become a proliferous, but contentious, topic. The notion of the GFP is based on the observations that personality dimensions are ...

a r t i c l e i n f o Keywords: Black–White differences Cognitive abilities Cross-cultural comparison Measurement equivalence Measurement invariance This paper presents a systematic review of published data on the performance of sub-Saharan Africans on Raven's Progressive Matrices. The specific goals were to estimate the average level of performance, to study the Flynn Effect in African samples...