3. G factor, with reference to intelligence, is
(1) a factor that predicts the level to which a child can be ‘groomed’
(2) the standard deviation in the normal distribution of intelligence
(3) the general term for measuring mental ability
(4) guidance needed for a child to boost his / her IQ
Ans- (2) the standard deviation in the normal distribution of intelligence
Reason:- According to the G factor theory, division of intelligence is equal in all fields. This is the first intelligence theory given by Charles spearman. So intelligence as a general cognitive ability that can be measured and numerically expressed.