IQ scores are positively correlated with:
A)Nerve conduction velocity
B)Nerve inhibition speed
C)Calcium transport time
D)Reaction time

Question

Quizplus · Accepted Answer

Reaction time has been found to have a moderate positive correlation with IQ scores. The faster someone is able to react to stimuli, the higher their IQ tends to be. 
There is no evidence to suggest that IQ is correlated with nerve conduction velocity, nerve inhibition speed, or calcium transport time.

IQ Scores Are Positively Correlated With