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An Increase of Intelligence in Saudi Arabia, 1977-2010
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Batterjee, Adel A.; Khaleefa, Omar; Ali, Khalil; Lynn, Richard – Intelligence, 2013
Normative data for 8-15 year olds for the Standard Progressive Matrices in Saudi Arabia were obtained in 1977 and 2010. The 2010 sample obtained higher average scores than the 1977 sample by 0.78d, equivalent to 11.7 IQ points. This represents a gain of 3.55 IQ points a decade over the 33 year period. (Contains 1 table.)
Descriptors: Foreign Countries, Intelligence, National Norms, Intelligence Quotient
Concurrent Validation of AH2 as a Brief Measure of Intelligence in Canadian University Students.
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Helmes, Edward – Educational and Psychological Measurement, 1987
Canadian undergraduate students were administered the British general ability test, AH2, along with a multiple-choice vocabulary test and the Standard Progressive Matrices, a nonverbal ability test. Scores were compared with British norms and intercorrelated with those of the other two tests. Correlations with the other ability tests were low.…
Descriptors: Academic Ability, Comparative Testing, Concurrent Validity, Foreign Countries
The Raven Progressive Matrices: A Review of National Norming Studies and Ethnic and Socioeconomic Variation within the United States.
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Raven, John – Journal of Educational Measurement, 1989
Recent results relating to the stability of scores on the Raven Progressive Matrices Test for different subgroups within and between the United Kingdom, United States, and other Western societies are summarized. Despite the continuous increase in scores over time, differences between socioeconomic and ethnic groups remain. (TJH)
Descriptors: Educational Trends, Elementary Secondary Education, Ethnicity, Foreign Countries