There is no exact qualification standard for the international standard IQ test.

Test standards:

70- - Mentally retarded

70-89 - Mental retardation

90-99 - Moderate intelligence

100-109　 --Above average intelligence

109-119　 --Excellent intelligence

120-129　 --Very excellent intelligence

130-139　 --Intelligence is very, very good

140- --Expanded information on genius

IQ (English: IQ), that is, Intelligence Quotient (Intelligence Quotient), is a personal intelligence The index of test scores compared with those of people of the same age is a standard for measuring individual intelligence. The concept of IQ was proposed by Professor Terman, a psychologist at Stanford University in the United States.

Intelligence reflects many aspects, such as observation, memory, imagination, creativity, analytical judgment ability, thinking ability, adaptability, reasoning ability, etc., including cultural quotient (CQ). Intelligence is currently thought to consist of three abilities: short-term memory, reasoning, and language.

Reference: Baidu Encyclopedia-IQ