4 ms·
A couple of other points: 1) Kind of self-evident, but variations among individuals is much larger than between populations, i.e. if you meet someone from a po
by Hasknewbie 9y ago
A couple of other points:
1) Kind of self-evident, but variations among individuals is much larger than between populations, i.e. if you meet someone from a population where the IQ is lower, does not mean that person has a lower IQ.
2) A corollary of the impact of upbringing and the environment: if IQ is mostly stable/fixed at the individual level, this is not the case for a population average over time. For example Western IQ was much lower a few generations ago ("Flynn effect"). So it's possible that the populations who score lower today will catch up if their condition improves.
- partycoder 9y agoAlso the fact that IQ is a very relative scale. IQ = 100 is defined as the median IQ, and as the median moves the meaning of IQ = 100 is redefined. 15 points of IQ is defined as 1 sd. And again, as variance changes, the equivalence of IQ points changes as well.