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Cockcroft, Kate – International Journal of Bilingual Education and Bilingualism, 2016
This study compared bilingual and monolingual school beginners on measures of simple and complex verbal working memory and receptive and expressive vocabulary. The aim was to determine whether the tests of working memory are fairer measures of language ability than the vocabulary tests for bilingual children when tested in their second language.…
Descriptors: Foreign Countries, Receptive Language, Expressive Language, Verbal Communication
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Wang, Ze; Osterlind, Steven J.; Bergin, David A. – International Journal of Science and Mathematics Education, 2012
Using the Trends in International Mathematics and Science Study 2003 data, this study built mathematics achievement models of 8th graders in four countries: the USA, Russia, Singapore and South Africa. These 4 countries represent the full spectrum of mathematics achievement. In addition, they represent 4 continents, and they include 2 countries…
Descriptors: Mathematics Achievement, Models, Mathematics Tests, Grade 8
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Rojahn, Johannes; Naglieri, Jack A. – Intelligence, 2006
Lynn [Lynn, R., 2002. Sex differences on the progressive matrices among 15-16 year olds: some data from South Africa. "Personality and Individual Differences 33," 669-673.] proposed that biologically based developmental sex differences produce different IQ trajectories across childhood and adolescence. To test this theory we analyzed the…
Descriptors: Gender Differences, Nonverbal Ability, Intelligence Quotient, Children
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Maqsud, M. – Educational Psychology: An International Journal of Experimental Educational Psychology, 1997
Reports the findings of two experiments conducted with South African senior high school students to examine the relationships of metacognitive strategies and nonverbal reasoning ability to test performance in mathematics and English comprehension. Suggests that teaching metacognitive strategies to students who lack such skills may improve their…
Descriptors: Academic Achievement, Cognitive Ability, English Instruction, Foreign Countries