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Quiz data analysis

From: Moodle 1.9 Essential Training for Teachers

Video: Quiz data analysis

Now that we've looked all the grades that have been calculated for us by Moodle and we have gone in and graded the essay questions. Let's go ahead and look at some of the data analysis that's built in to Moodle. The first place to look at some data analysis is to go ahead and scroll down to the bottom of the Overview page for your quiz grades. When you do, you get a bar graph indicating the number of students with the specific grades that each student got. Here you can start looking for patterns about the grade ranges that your student achieved during their quiz. Let's go ahead and scroll back up to the top of the page and now click on the link for Item analysis.

Quiz data analysis

Now that we've looked all the grades that have been calculated for us by Moodle and we have gone in and graded the essay questions. Let's go ahead and look at some of the data analysis that's built in to Moodle. The first place to look at some data analysis is to go ahead and scroll down to the bottom of the Overview page for your quiz grades. When you do, you get a bar graph indicating the number of students with the specific grades that each student got. Here you can start looking for patterns about the grade ranges that your student achieved during their quiz. Let's go ahead and scroll back up to the top of the page and now click on the link for Item analysis.

The Item analysis page gives you an enormous amount of data about your quiz that can help you in refining future exams and looking into specific questions about each question in your exam that you gave. You can sort all of the data that's provided in this table by simply clicking on the column heading for each data type. If we click on the Q#, we can sort all of questions by the question number that's assigned to them in our question pool. We then have a listing of all of the text for each question. The answers for each question and then you get a listing for partial credit. Partial credit shows how much credit was given for each question by the instructor.

R Counts gives you a value for the number of students that entered that answer divided by the number of attempts for that total question. So if we look at question 16, we can see that four out five students selected the correct answer of True, while only one out of five students selected the wrong answer. Next, you see a value for R%, this is a percentage based on the previous column. The next column % Correct Facility is in overall index that measures how difficult each question was for the quiz takers.

The next column SD column is the Standard Deviation for each question, which measures the spread of answers in response to the overall number of students that answered the question. If all users answered the same way, the Standard Deviation would be zero. The next two columns, Discrimination Index, and Discrimination Coefficient provide a measure of the effectiveness of each question and it compares the difficulty of the question as it's answered by students that are considered to be stronger students or weaker students based on their overall performance throughout the rest of the quiz.

If you are interested in the details of the statistics that are run to generate each of these different values, you can click on the question mark next to the heading Item Analysis Table. Here, you can get detailed information about the math that goes into each of these calculations. Let's click on the link for See all course grades at the top to return back to our main Grade Book.

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This video is part of

Image for Moodle 1.9 Essential Training for Teachers
Moodle 1.9 Essential Training for Teachers

108 video lessons · 9780 viewers

Chris Mattia
Author

 
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  1. 8m 21s
    1. Welcome
      2m 8s
    2. Course overview
      5m 22s
    3. Using the exercise files
      51s
  2. 34m 55s
    1. Getting started
      2m 59s
    2. Installing Moodle on a Mac
      8m 45s
    3. Installing Moodle on a Windows computer
      14m 24s
    4. Creating user accounts
      3m 55s
    5. Creating a new course
      3m 0s
    6. Just enough site administration to get you going
      1m 52s
  3. 41m 16s
    1. Logging in and getting oriented with Moodle
      5m 8s
    2. Customizing your profile
      4m 7s
    3. Customizing course settings
      3m 49s
    4. Editing the header block
      1m 33s
    5. Posting a course syllabus
      3m 55s
    6. Communicating news to students
      3m 5s
    7. Managing files and folders
      3m 41s
    8. Posting lecture slides
      3m 11s
    9. Setting up the gradebook
      5m 35s
    10. Sending email to the class
      2m 54s
    11. Creating a simple assignment
      4m 18s
  4. 51m 28s
    1. HTML editor overview
      10m 11s
    2. Formatting text
      8m 42s
    3. Creating tables
      9m 36s
    4. Creating internal links
      7m 27s
    5. Creating external links
      7m 2s
    6. Inserting local pictures with HTML
      3m 55s
    7. Inserting pictures from Flickr
      4m 35s
  5. 49m 22s
    1. Preparing images
      6m 53s
    2. Batch-uploading files
      5m 58s
    3. Posting image files
      2m 33s
    4. Posting a photo gallery
      3m 45s
    5. Preparing audio files
      10m 14s
    6. Posting audio
      3m 50s
    7. Preparing video files
      7m 45s
    8. Posting video
      3m 48s
    9. Inserting video from YouTube
      4m 36s
  6. 37m 11s
    1. Creating a text label
      6m 14s
    2. Linking to a web site
      6m 2s
    3. Creating a text page
      4m 45s
    4. Creating a web page
      10m 56s
    5. Linking to a folder of documents
      4m 18s
    6. Inserting an IMS content package
      4m 56s
  7. 27m 23s
    1. Assignments overview
      2m 13s
    2. Advanced uploading of files
      10m 32s
    3. Online text
      4m 26s
    4. Uploading a single file
      5m 1s
    5. Offline activity
      5m 11s
  8. 11m 39s
    1. Creating a live chat room
      5m 13s
    2. Creating a choice
      6m 26s
  9. 15m 45s
    1. Setting up a simple database
      4m 14s
    2. Creating database fields
      2m 49s
    3. Customizing a database template
      1m 33s
    4. Entering data into a database
      1m 43s
    5. Enabling database auto-linking
      3m 23s
    6. Enhancing a database with file uploads
      2m 3s
  10. 17m 16s
    1. Creating a main glossary
      4m 45s
    2. Adding concepts to the glossary
      3m 16s
    3. Enabling glossary auto-linking
      3m 38s
    4. Enabling students to edit a glossary
      2m 5s
    5. Creating a secondary glossary
      3m 32s
  11. 9m 58s
    1. Creating a forum
      5m 21s
    2. Using a discussion forum
      4m 37s
  12. 32m 17s
    1. Creating a wiki
      7m 3s
    2. Wiki editing basics
      4m 26s
    3. Creating lists
      6m 1s
    4. Subdividing a class wiki
      3m 43s
    5. Adding attachments and images
      2m 54s
    6. Creating external links
      2m 27s
    7. Creating a table
      5m 43s
  13. 1h 9m
    1. Online assessment overview
      1m 38s
    2. Creating question pool categories
      1m 58s
    3. Creating a first question
      6m 24s
    4. Creating true/false questions
      4m 39s
    5. Creating multiple choice questions
      7m 23s
    6. Creating short answer questions
      6m 59s
    7. Creating essay questions
      6m 22s
    8. Creating match questions
      6m 38s
    9. Creating numerical questions
      4m 56s
    10. Importing question pools from Blackboard
      6m 24s
    11. Creating a quiz
      9m 9s
    12. Adding questions to a quiz
      6m 50s
  14. 39m 16s
    1. Gradebook overview
      2m 6s
    2. Completing assignments as a student
      9m 34s
    3. Grading an assignment
      4m 52s
    4. Quick grading
      2m 25s
    5. Grading assignments with uploaded files
      2m 18s
    6. Grading offline assignments
      1m 16s
    7. Grading an online quiz
      3m 30s
    8. Quiz data analysis
      3m 4s
    9. Adding assignments
      2m 3s
    10. Exporting grades
      3m 55s
    11. Importing grades
      4m 13s
  15. 20m 4s
    1. Calendars and events overview
      3m 51s
    2. Creating a new event
      3m 21s
    3. Creating a repeating event
      3m 15s
    4. Exporting a calendar to iCal
      4m 5s
    5. Exporting a calendar to Outlook
      5m 32s
  16. 44m 40s
    1. Course administration overview
      3m 3s
    2. Managing course settings
      12m 48s
    3. Managing user roles
      2m 59s
    4. Managing groups
      4m 51s
    5. Backing up your course
      4m 34s
    6. Restoring data from a backup
      3m 14s
    7. Importing content to another course
      4m 53s
    8. Resetting a course
      3m 24s
    9. Running reports
      4m 54s
  17. 4m 14s
    1. Additional resources
      2m 58s
    2. Goodbye
      1m 16s

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