Author Question: The optimum item difficulty index for a multiple-choice item A) varies inversely with the number ... (Read 534 times)

mcmcdaniel

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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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Answer to Question 1

A

Answer to Question 2

A



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