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Author Question: The optimum item difficulty index for a multiple-choice item A) varies inversely with the number ... (Read 544 times)

mcmcdaniel

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on: Jun 19, 2018
The optimum item difficulty index for a multiple-choice item
 
  A) varies inversely with the number of options.
  B) ranges from .30 to .70 for true-false tests.
  C) varies directly with the number of options.
  D) is unaffected by the number of options.

Question 2

The extent to which a test measures anything consistently is a definition of
 
  A) reliability. B) validity. C) normality. D) objectivity.


ttt030911

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

A

Answer to Question 2

A


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