One problem with the standardization sample in the 1937 version ...

[jake]

One problem with the standardization sample in the 1937 version of the Stanford-Binet scale was that
 
  a. there were only Californians in the sample.
  b. the sample was too small.
  c. the sample only included whites.
  d. rural residents were over-represented.

Question 2

According to classical test theory, errors of measurement are
 
  a. always overestimates of true score.
  b. always underestimates of true score.
  c. random.
  d. constant.

[Jmfn03]

Answer to Question 1

c

Answer to Question 2

c