Inequality in the distribution of rewards and resources between State and federation are
the the outcome of Nigeria's indegineous
Social and Political history which now
have direct bearing of it's development
Justify the above using clear illustration​

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

answer; community based corrections;