# Item Analysis: Analyzing Constructed-Response Items

Approach 4: Analyzing constructed-response items to determine the percentage scoring at each possible rubric score.

Here is Question 1b, the second part of multiple-choice Item 1:

Table 3 shows how the data for constructed-response items can be displayed. This table answers the questions:

• What percentage of students got each of the possible rubric scores?
• What percentage of students got a proficient score?
• What percentage of students left the item blank?
• How did my class compare with the whole grade? How did my period compare with the whole department (for common assessments)?

Table 3: Item Analysis: Percentage Scoring Each of the Possible Points on
Constructed-Response Items

S = Short answer (2 possible points)
Proficient score = 2

E = Extended response (4 possible points)
Proficient score = 3 or 4 As shown in Table 3, 12% of students got a score of 3 and 8% got a score of 4, resulting in a total of 20%of students scoring proficient on Item 1b.  Sample responses 