children aged 7-15 years old wese studied with Revan’s test. 861 cases in urban and 1720in rual areas. The results show that in all age groups
The average IQ(Raven test)of urban children is high-er. The Raven IQ is positively related with the school performance(P<0. 01) and interrelated with the IQ of“Human Figure Drawing”test(P<0. 01 ). The educational level and occupation of their parents are signifi- cantly related with Raven IQ.