Test theory suggests that concurrent validity coefficients ...

[jenna1]

Test theory suggests that concurrent validity coefficients underestimate population validity. What does research suggest?
 
  a) Concurrent validity coefficients do, in fact, underestimate population validity.
  b) Concurrent validity coefficients are often similar in size to predictive validities.
  c) Concurrent validity coefficients seriously overestimate population validity.
   d) Concurrent validity coefficients seriously attenuate population validity.

Question 2

Levels AH of the Cognitive Abilities Test is designed for children
 
  a) of preschool age
   b) in first grade
   c) in second and third grades
  d) in third to twelfth grades

[TDubDCFL]

Answer to Question 1

B

Answer to Question 2

D