Albert Einstein was a theoretical physicist born in Germany in 1879. He received the Nobel Prize in Physics in 1921. Einstein's IQ was estimated between 160-190 based on brain research
WPPSI was created by David Wechsler in 1967 for children aged 2.5-7.5 years. Test has undergone three revisions: 1989, 2002, and 2012. Latest version WPPSI-IV combines WPPSI-R and WPPSI-III
Psychological testing involves administering tests by trained evaluators. Tests measure unobserved constructs and require careful scoring. Tests must be valid, reliable, and standardized across populations
IQ tests are scaled by age and can change during teenage years. Scores above 115 may indicate giftedness. Scores below 89 suggest below-average performance. Scores below 79 indicate learning or processing issues
Average IQ score is typically 100 with a standard deviation of 15. Low IQ scores are below 70, indicating potential intellectual disability. Scores above 140 are considered genius IQ. 68% of scores fall between 85 and 115
Russia's average IQ is 98.38, ranking 59th globally. Azerbaijan ranks 70th, Russia's nearest neighboring country. World average IQ is 100