Jinsi ya kupima iq ya mtu. (intelligence quotient)

[Down To Earth]

guys nimekuwa nikisikia kuwa kuna watu fulani wana IQ kubwa, yaani great thinkers compared to others.
sasa ni kitu gani kinachoweza kusababisha mtu kuwa na IQ kubwa kuliko wengine ?

and please lets suggest how to improve people's IQ's.

 

[AfricaUnited]

en.m.wikipedia.org/wiki/Intelligence_quotient