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Author Question: The optimum level of item difficulty for a five-alternative multiple choice item is a. .50. b. ... (Read 235 times)

TVarnum

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on: Jun 19, 2018
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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Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

b


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TVarnum

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Reply #2 on: Jun 19, 2018
Thank you!


ryrychapman11

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Reply #3 on: Jun 19, 2018
Happy to help


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