Tyrone Has Just Attained a Fairly Low Score in a Test

Tyrone has just attained a fairly low score in a test designed to measure his verbal ability.Based on Thurstone's theory,how will Tyrone perform on a test designed to measure his perceptual speed?

A) He will attain a low score on that test as well.
B) He will attain a much higher score on that test.
C) He will attain an even lower score on the second test.
D) His score on that test will have no predictable relationship to his verbal fluency test score.