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The relationship between nations and IQ is a controversial area of study ... caused the Flynn Effect in the developed world." ... 23 November 2024, ...
The IQ figures are based on 3 different studies for 17 nations, two studies for 30 nations, and one study for 34 nations. There were actual tests for IQ in the case of 81 countries out of the 185 countries studied. For 104 nations there were no IQ studies at all and IQ was estimated based on the average IQ of surrounding nations. [2]
This is an accepted version of this page This is the latest accepted revision, reviewed on 26 January 2025. World map of countries or territories by Human Development Index scores in increments of 0.050 (based on 2022 data, published in 2024) ≥ 0.950 0.900–0.950 0.850–0.899 0.800–0.849 0.750–0.799 0.700–0.749 0.650–0.699 0.600–0.649 0.550–0.599 0.500–0.549 0.450–0.499 0. ...
Winter et al. (2024) when comparing two WAIS-5 validity studies found a reduced Flynn effect of an increase of 1.2 IQ points per decade rather than the expected 3 IQ point increase per decade. The authors identified various novel factors including social media dependency and the COVID-19 pandemic which may have contributed to a reduced Flynn ...
World 2022 data (2024 report) Change in HDI value 2023-2024 [3] Very high human development 1 67 Seychelles: 0.802 0.007 High human development 2 72 Mauritius: 0.796 0.006 3 92 Libya: 0.746 4 93 Algeria: 0.745 0.005 5 101 Tunisia: 0.732 0.003 6 105 Egypt: 0.728 0.002 7 110 South Africa: 0.717 0.004 8 114 Botswana: 0.708 0.028
One's intelligence quotient, or IQ, is regarded by many as being a measure of a person's level of intelligence. A recent study out of the University of Vienna shows that those scores, which are ...
Our World in Data (OWID) is a scientific online publication that focuses on large global problems such as poverty, disease, hunger, climate change, war, existential risks, and inequality. It is a project of the Global Change Data Lab, a registered charity in England and Wales, [ 3 ] and was founded by Max Roser , a social historian and ...
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