Quiz Data Analysis
At the bottom of the Quiz Results tab in the "Overview" section is a bar graph with the number of students and the grades they got. At the top of the section is a link to "Item Analysis". This section gives a great deal of data about the overall quiz and each specific question. You can sort information by clicking on the links at the top of the column.
- Q#: Question number
- Partial Credit: the amount of points given by the instructor for that answer
- R.Count: the number of students that chose that answer divided by the number of attempts to answer that question
- R.%: the percentage of students that chose that answer
- % Correct Facility: an overall measure of how difficult the question was for the quiz takers
- SD: The Standard deviation for each question
- Disc.Index/Coefficient: Discrimination Index/Coefficient provide a measure of the effectiveness of each question
