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Direct linkLynn, 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
Peer reviewedJacobson, John W. – Mental Retardation, 1987
Comparison of goals (number and content) in individual program plans for developmentally-disabled persons in New York (N=170), Pennsylvania (N=298), and Tennessee (N=1,275) indicated that goals varied as a function of intellectual level in all three states and as a function of program setting (institutional, community, or residential) in New York.…
Descriptors: Community Programs, Developmental Disabilities, Differences, Group Homes
Vernon, Philip A.; Jensen, Arthur R. – 1983
In a study of the relationship between speed of information processing and general intelligence, vocational college students (50 black males and 56 white males) took eight different reaction time tests measuring the speed with which individuals perform various elementary cognitive processes, and a group test of scholastic aptitude (the Armed…
Descriptors: Academic Achievement, Aptitude Tests, Blacks, Cognitive Processes
