You receive your item-analysis printout showing the difficulty level and point biserial for each item. You are concerned about item 9 because it shows the following result.

Question 1 (TCO 3) You receive your item-analysis printout showing the difficulty level and point biserial for each item. You are concerned about item 9 because it shows the following result.

Difficulty level: 73%; PBI:  0.50

PBI for each distractor:

A     .25

B     .00

C     .13

D     .43

Which distractor should you revise?

  Distractor C

  Distractor A

  Distractor D

  Distractor B

Question 2 (TCO 3) In the following item analysis, the following distractor point biserial and frequencies were obtained for one question.

Overall PBI = 0.09

Distractors                A             B             C             D

PBI                         -.08        .1            .02          .19

Difficulty                  78%        7%          10%         5%

What is the most important thing this distribution is telling you?

  The question was too easy.

  Higher scoring students did not answer the question correctly.

  Lower scoring students did not answer the question correctly.

  The question was too difficult.

Question 3 (TCO 3) Some of the faculty teaching the advanced medical-surgical course at your school want to use the test bank that comes with your textbook. What is the most important thing they should consider when deciding on whether that is a good idea?

  A good idea would be to evaluate the questions thoroughly before using.

  Textbook test banks are based on the content we are teaching.

  Using test banks saves faculty members a lot of time.

  The faculty will need to make sure we have covered the content.

Question 4 (TCO 3) On your exam, a test question related to a drug calculation had a difficulty level (p) of 0.95 and a point biserial of 0.05. What would you consider when deciding whether to revise the question?

  We should leave it alone because we probably have a class filled with good test takers.

  We should leave it alone because the question was on crucial content that every nurse should know.

  We should revise this item to lower the difficulty level.

  We should revise this item to raise the point biserial.

Question 5  (TCO 2) The alpha reliability of your 10-item quiz was .33. What should you consider when deciding how to raise the reliability of your quiz?

  Change each and every item, and then, check the reliability.

  Make the quiz a little harder; then, evaluate test reliability.

  Increase the number of items on the quiz.

  Use an essay test instead to increase reliability.

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