Which of the Following Would Become a Problem for Use

Multiple Choice

Which of the following would become a problem for use of the Stanford-Binet or Wechsler tests in a study that required intelligence tests for several thousand people?

A) Neither of these tests is reliable on a large scale.
B) Both of these tests lack appropriate norms.
C) Both of these tests are givendividually, and thus would be expensive and time-consuming
D) Both of these tests were developed long ago and are outdated.