<Tr> <Td> Adults can do domestic work </Td> <Td> 50 </Td> <Td> </Td> <Td> </Td> </Tr> <P> There is considerable variation within and overlap among these categories . People with high IQs are found at all levels of education and occupational categories . The biggest difference occurs for low IQs with only an occasional college graduate or professional scoring below 90 . </P> <P> With operationalization and methodology derived from the general intelligence factor g, a new scientific understanding of collective intelligence, defined as a group's general ability to perform a wide range of tasks, aims to explain intelligent behavior of groups . Goal is to detect and explain a general intelligence factor c for groups, parallel to the g factor for individuals . As g is highly interrelated with the concept of IQ, this measurement of collective intelligence can be interpreted as intelligence quotient for groups (Group - IQ) even though the score is not a quotient per se . Current evidence suggests that this Group - IQ is only moderately correlated with group members' IQs but with other correlates such as group members' Theory of Mind . </P> <P> Among the most controversial issues related to the study of intelligence is the observation that intelligence measures such as IQ scores vary between ethnic and racial groups and sexes . While there is little scholarly debate about the existence of some of these differences, their causes remain highly controversial both within academia and in the public sphere . </P>

Do they still give iq tests in school