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Questions and Answers
What is the formula to calculate the difficulty index?
What is the formula to calculate the difficulty index?
- DF = n / N (correct)
- DF = n + N
- DF = N - n
- DF = N / n
What is the interpretation of a difficulty index of 0.35 or 35%?
What is the interpretation of a difficulty index of 0.35 or 35%?
- The item is difficult and only 35% of the students got it correct (correct)
- The item is easy and most students got it correct
- The item is difficult and only a few students got it correct
- The item is moderate and half of the students got it correct
What is the purpose of calculating the discrimination index?
What is the purpose of calculating the discrimination index?
- To determine the difficulty of the item
- To identify the distractors in the item
- To determine the total number of students who took the test
- To determine the effectiveness of the item in distinguishing between students who are knowledgeable and those who are not (correct)
What is the recommendation for the test item based on the analysis of the level of difficulty, discrimination, and distractors?
What is the recommendation for the test item based on the analysis of the level of difficulty, discrimination, and distractors?
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What is the minimum percentage of examinees that should choose the incorrect option for it to be considered effective?
What is the minimum percentage of examinees that should choose the incorrect option for it to be considered effective?
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