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What is the average person’s IQ? Who is the person with the highest IQ in the world?

According to Guinness World Records, the current IQ record is 228, belonging to Marlene from the United States, who is nearly 60 years old. This result was obtained by a test when she was 10 years old. The test showed that her mental age reached 22.8. According to the IQ calculation method of the Children's Intelligence Scale: Mental age/actual age*100 is the IQ of a child under 16 years old: 22.8/10*100=228. Some data may be written rashly. Approximately 230. Of course, you need to know that in current intelligence tests, people’s IQ has two limits: 0-200. As for why there are people with IQs exceeding 200, it is because of different standards. Marlene was I am still a child, so I use that kind of scale and calculation method to calculate. Of course, the 0-200 we have below is for people above 16. Please understand. Most people are between 10-190. I will give you an IQ data representation below: 90-110 is normal. < 70 Insufficient intelligence 70-80 Insufficient borderline intelligence 80-90 Retarded 90-110 Moderate intelligence 110-120 Smart 120-130 Excellent > 130 Excellent talent From: "Introduction to Psychology - Intelligence" - Ratio IQ. Of course, some scientists also have After studying the works of historical celebrities in the past, we came to the conclusion: Einstein: 160 Leonardo da Vinci: more than 200 Goethe: more than 300 These are different, that is to say, simply speaking, different measurement labels lead to different results. Nowadays people use the scale I gave above. .. After answering, if you are satisfied with my answer, please don't be stingy and select my answer as the best. Thank you