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Item Analysis Worksheet

Ten students took a 10 question quiz and their scores are listed from highest to lowest. The document provides their individual scores and responses to each question to calculate the difficulty and discrimination indices for analyzing the questions. It asks to identify the easiest question, most difficult question, question with the poorest discrimination, and which questions should be eliminated and why.

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John Wilbert Nuñal
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304 views1 page

Item Analysis Worksheet

Ten students took a 10 question quiz and their scores are listed from highest to lowest. The document provides their individual scores and responses to each question to calculate the difficulty and discrimination indices for analyzing the questions. It asks to identify the easiest question, most difficult question, question with the poorest discrimination, and which questions should be eliminated and why.

Uploaded by

John Wilbert Nuñal
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as RTF, PDF, TXT or read online on Scribd
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Item Analysis Worksheet

Ten students have taken an objective assessment. The quiz contained 10 questions. In the
table below, the students’ scores have been listed from high to low (Joe, Dave, Sujie,
Darrell, and Eliza are in the upper half). There are five students in the upper half and five
students in the lower half. The number“1” indicates a correct answer on the question; a “0”
indicates an incorrect answer.

Student Total Questions


Name Score (%) 1 2 3 4 5 6 7 8 9 10
Joe 100 1 1 1 1 1 1 1 1 1 1
Dave 90 1 1 1 1 1 1 1 1 0 1
Sujie 80 1 1 0 1 1 1 1 1 0 0
Darrell 70 0 1 1 1 1 1 0 1 0 1
Eliza 70 1 1 1 0 1 1 1 0 0 1
Zoe 60 1 1 1 0 1 1 0 1 0 0
Grace 60 0 1 1 0 1 1 0 1 0 1
Hannah 50 0 1 1 1 0 0 1 0 1 0
Ricky 40 1 1 1 0 1 0 0 0 0 1
Anita 30 0 1 0 0 0 1 0 0 1 0

Calculate the Difficulty Index (p) and the Discrimination Index (D) for each question.

Item # Correct # Correct Difficulty Discrimination


(Upper (Lower (p) (D)
group) group)
Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Question 8

Question 9
Question 10

Answer the following questions:

1. Which question was the easiest? (p=1)


2. Which question was the most difficult? (p=
3. Which item has the poorest discrimination?
4. Which questions would you eliminate first (if any) – why?

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