EDU621-ItemAnalysis.docx - Item Analysis 1 Item Analysis Worksheet Satoria McPhearson EDU 621 Dr Mincey Belhaven University Summer 2019 Jackson MS Item

EDU621-ItemAnalysis.docx - Item Analysis 1 Item Analysis...

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Item Analysis Item Analysis Worksheet Satoria McPhearson EDU 621 Dr. Mincey Belhaven University Summer 2019 Jackson, MS 1
Item Analysis 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 quartile and five students in the lower quartile. The number “1” indicates a correct answer on the question; a “0” indicates an incorrect answer. Student Name Total Score (%) Questions 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 70 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 rest of class not included in chart 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 50 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. 2
Item Analysis REMINDER: you use the number of the students in both

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