Author Question: The optimum level of item difficulty for a five-alternative multiple choice item is a. .50. b. ... (Read 110 times)

TVarnum

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The optimum level of item difficulty for a five-alternative multiple choice item is
 
  a. .50.
  b. .60.
  c. .70.
  d. .80.

Question 2

The concept of mental age was introduced in
 
  a. 1905.
  b. 1908.
  c. 1911.
  d. 1916.



ryrychapman11

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Answer to Question 1

b

Answer to Question 2

b



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