Classification Percentage of populations 140 and above Very superior 1.5 129 -139 Superior 11 110 – 119 High - Average 18 90 – 109 Average 47 80 – 89 Low Average 14 70 – 79 Borderline defective 6 Below 70 Mentally defective 2.5 The lowest classification mentally defective sometimes subdivided into three classes as Moron IQ. – 50 – 70 Imbecility IQ Idiot IQ Below 20
132 Thus you can use the intelligence tests already developed or you can also prepare an intelligence tests of measure the intelligence of an individual. Check Your Progress – 3 1. What type of Intelligence test can be used to test the intelligent of illiterate and language handicap children Give two examples. 2. Write the formula of find gone IQ. Why 100 is multiplied in the formula of IQ You know how to test the intelligence of others, but what you will do after knowing the intelligence level others If there is no use of knowing the intelligence of others, there is no need of measuring if. Therefore, now we will see in what way intelligence tests help us and in which areas we can use this knowledge.
Intelligence tests have been put to many uses in nowadays. It has been observed that intelligence has much to do with success airfare in making adjustment to life situations and infect, in every department of human activity. Some of the important areas in which intelligence tests maybe used are