The 1908 Binet-Simon Scale
a. abandoned the principle of age differentiation.
b. used the age scale format.
c. relied largely on nonverbal tests of intelligence.
d. introduced the concept of gf-gc.
Question 2
Which of the following is a mathematical index that describes the direction and magnitude of a relationship?
a. intercept
b. positive correlation
c. correlation coefficient
d. residual