Which Theorist Set Out to Improve on the Measurement of Intelligence

Multiple Choice

Which theorist set out to improve on the measurement of intelligence in adults with an intelligence test with two major innovations; the first was that the score was less dependent on a subject's verbal ability and the second was the use of a deviation intelligence quotient?

A) Sir Francis Galton
B) Lewis Terman
C) Theodore Simon
D) David Wechsler