Search results
Results From The WOW.Com Content Network
For men, the gray matter volume in the frontal and parietal lobes correlates with IQ; for women, the gray matter volume in the frontal lobe and Broca's area (which is used in language processing) correlates with IQ. [20] Women have greater cortical thickness, cortical complexity and cortical surface area (controlling for body size) which ...
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]
The 1981 article "Average IQ values in various European countries" by Vinko Buj is the only international IQ study that over a short time period has compared IQs using the same IQ test. Rindermann (2007) states that it is of dubious quality with scant information regarding how it was done. [3] [4]
For premium support please call: 800-290-4726 more ways to reach us
Brain size is known to differ between men and women, for example (men on average have larger bodies than women), but without well documented differences in IQ. [46] A 2017 study found that the brains of women have a higher density of grey matter , which could compensate for the loss of volume.
Isla McNabb became Mensa's youngest female member last year at just 2 years old. Her parents recently explained why they got her tested for the group.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate
List of average human height worldwide; List of countries by body mass index; List of countries by obesity rate; List of countries by HIV/AIDS adult prevalence rate; Prevalence of tobacco consumption; List of countries by cigarette consumption per capita; List of countries by alcohol consumption per capita; List of countries by suicide rate