Item discriminating power should typically not be interpreted as ...

[joe]

Item discriminating power should typically not be interpreted as item validity because
 
  A. item analysis usually is based on a partial sample..
  B. item analysis usually uses an internal criterion.
  C. item validity is also based on item difficulty.
  D. defects in test items lower validity.

Question 2

Absolute grading would require information concerning a student's
 
  A. growth in achievement.
  B. level of performance.
  C. performance in relation to learning ability.
  D. rank in the group.

[trampas]

Answer to Question 1

B

Answer to Question 2

B