/sci/ - Science & Math

>>15358195
The Flynn effect is the most stark example, the population 70 years ago would perform a full standard deviation lower if compared to the test scores of present population.
There are also meta studies that show the improvements from education accounting for selective factors, by comparing IQ at different ages and by observing the drop in IQ amongst students when out of school (IE over long holidays).
Many of the race IQ studies also show significant differences between the IQ performance of black children raised by white parents as well as showing that the gap between white and black scores has closed over time.