Author Question: What is the computed number for how well an item distinguishes between the knowing and the ... (Read 36 times)

newbem

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What is the computed number for how well an item distinguishes between the knowing
   and the unknowing?
 
  a) item analysis
  b) discrimination index
  c) difficulty index
  d) attitude index

Question 2

What is the computed number for the proportion of test takers who get an item correct?
 
  a) item analysis
  b) discrimination index
  c) difficulty index
  d) attitude index



Tabitha_2016

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Answer to Question 1

b

Answer to Question 2

c



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