Which of the following is true of ability tests other than the ...

[NguyenJ]

Which of the following is true of ability tests other than the Binet and Wechsler tests?
 
  a. Nearly all yield scores that are directly comparable to the results of the Binet and/or Wechsler tests.
  b. Nearly all are very easy to administer and require only brief training.
  c. Because most focus on the needs of children with disabilities, they are nearly all non-verbal and require simple responses.
  d. While some focus on a wide range of abilities, most focus on a narrow range.

Question 2

Hypothetically, 9 of the variation of skill among dentists is accounted for by the test that they took in order to pass the dental board examination. What is the validity coefficient of the test?
 
  a. 0.03
  b. 0.3
  c. 0.9
  d. 3.0

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Answer to Question 1

d

Answer to Question 2

b