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IQs Predict Differences in the Technological Development of Nations from 1000 BC through 2000 AD
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Lynn, Richard – Intelligence, 2012
National IQs and measures of technological development given by Comin, Easterly and Gong (2010) are presented for 133 nations for the year 1000 BC, for 134 nations for 0 AD, for 120 nations for 1500 AD and for 133 nations for 2000 AD. It is shown that national IQs are significantly correlated with national differences in technological development…
Descriptors: Technological Advancement, Intelligence Quotient, Prediction, Correlation
IQ Differences between the North and South of Italy: A Reply to Beraldo and Cornoldi, Belacchi, Giofre, Martini, and Tressoldi
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Lynn, Richard – Intelligence, 2010
Beraldo (2010) and Cornoldi, Belacchi, Giofre, Martini, and Tressoldi (2010) (CBGMT) have eight criticisms of my paper (Lynn, 2010) claiming that the large north-south differences in per capita income in Italy are attributable to differences in the average levels of intelligence in the populations. CBGMT give results for seven data sets for IQs in…
Descriptors: Intelligence, Income, Criticism, Foreign Countries
On the High Intelligence and Cognitive Achievements of Jews in Britain
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Lynn, Richard; Longley, David – Intelligence, 2006
A number of studies in the United States have found that Jews obtain higher average IQs than white gentiles. This paper examines whether this is also the case in Britain. Three early studies are summarized that found that Jews in Britain have mean IQs in the range of 110-113. New data are presented for two nationally representative samples of 7-16…
Descriptors: Foreign Countries, Jews, Intelligence Quotient, Sampling
New Evidence of Dysgenic Fertility for Intelligence in the United States
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Lynn, Richard; Van Court, Marian – Intelligence, 2004
Data from the General Social Survey (GSS) collected in the years 1990-1996 are examined for the relationship between fertility and intelligence as measured by vocabulary. The results show that the relation between fertility and intelligence has been consistently negative for successive birth cohorts from to 1900 to 1979, indicating the presence of…
Descriptors: Vocabulary Skills, Cohort Analysis, Birth Rate, Correlation
Further Evidence of the Cognitive Abilities of the Japanese: Data from the WPPSI
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Lynn, Richard; Hampson, Susan – International Journal of Behavioral Development, 1987
Data from the Japanese standardization of the Wechsler Preschool and Primary Scale for Intelligence were used to analyze the structure of abilities of Japanese children in terms of the Burt-Vernon hierarchical model of intelligence. It was suggested that the pattern of cognitive strengths and weaknesses that emerged would help clarify a number of…
Descriptors: Arithmetic, Cognitive Ability, Cognitive Measurement, Cross Cultural Studies
Intelligence in Hong Kong Measured for Spearman's "g" and the Visuospatial and Verbal Primaries.
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Lynn, Richard; And Others – Intelligence, 1988
Major visuospatial and verbal abilities were assessed for 197 10-year-olds in Hong Kong and 170 10-year-olds in the United Kingdom. The Hong Kong subjects resembled their Japanese counterparts in having high Searman's "g," exhibiting abstract reasoning ability, high spatial ability, high perceptual speed, and low word fluency. (SLD)
Descriptors: Abstract Reasoning, Children, Cognitive Processes, Comparative Analysis