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<p class="note">'''Please refer to [[TOC_with_notes#Quiz|these notes]] before editing this page.'''</p>
{{Questions}}
{{Quiz}}
{{Quiz}}


==How a Moodle quiz works==


The word “quiz” might  conjure up for some images of TV game shows, but a Moodle quiz is basically a set of questions presented to the learner which may be automatically marked by Moodle or graded later by the teacher. The questions may be in sentence or number  form or contain various media such as video or sound. They do not all need to be the same type of questions: a quiz may contain multiple choice, matching, essays (teacher-graded) and calculated. Feedback may be given at any or all stages of the process.


After a teacher has created a quiz activity, they may click on the edit tab of the quiz. Depending upon the context, there are 2 different ways this tab screen will appear. There is one view for a quiz which has not been taken (compiling view) by a student and an other when students have taken the quiz.   You may want to look at [[Quiz preview|previewing]] an existing quiz or editing questions in the [[Question bank]].
Once a quiz is made, that’s not the end of it. A Moodle quiz is environmentally friendly: its questions are saved in a [[Question bank]] and may be recycled for use elsewhere. Thus, Mr Brown could create a Physics Quiz with 20 questions for his class, Class Brown, and his colleague Mr Smith sharing the course could save himself valuable time by resusing 5 of Mr Brown’s questions in his own General Science quiz for Class Smith. (See also [[How to let teachers share questions between courses|Question Sharer role]] for sharing questions across the site)


==The basic ideas of quiz-making==
If a quiz is a book, the [[Quiz settings]] are equivalent to the front cover; the quiz itself is contained within when the questions are created. (Be careful : once you have chosen the Quiz Settings, it will be “live” on your course page, unless  you hide it, so your learners could potentially see a quiz with no questions, like a front cover with no content.)


The main concepts you need to understand while creating quizzes and the questions they contain are:


* The quiz, divided into pages
Once a quiz has been added to the course and the [[Quiz settings]] established,the teacher can start to build the quiz.  The teacher can access the quiz to edit the questions by clicking directly on the Quiz name on the course home page and then "Edit quiz" or by clicking the "info" link in the Navigation block. The "Edit quiz link can also be accessed from ''Settings>Quiz administration.''
* The question bank, which stores all the questions organised into categories
* Random questions


You can think of a quiz as being like traditional pen-and-paper quiz (or exam or test). It contains questions. You can arrange the questions in a quiz into several pages or you can keep them all on one page. As you create the questions, and add them to the quiz, you also set up how the questions are graded (or marked). This is like the mark-scheme for a traditional quiz.
{|
|  [[File:editquiz.png|thumb|250px|Accessing the quiz to add or edit questions]]


When you create questions, they are stored in the question bank. In the question bank you can create categories, which are similar to folders on your computer. You can use them to create a hierarchy for organising your questions, for example, by topic. Even if you create and add a question directly into the quiz, a copy is automatically stored in the question bank too.
|}


You can use random questions so that different students get different questions, or so that one student gets different questions each time they attempt the quiz. For example, this can reduce cheating by making it harder for students to copy from each other. When a student starts an attempt at the quiz, the random question will be replaced by an actual question, picked at random from a certain category in the question bank. You create a random question by adding the selection of questions you want to a question bank category, and then adding a random question for that category into the quiz.


==Compiling a new quiz==
===Overall process===
After creating a quiz activity module, the teacher will be shown a quiz compiling screen (the edit tab).  Here the teacher can select the question category to move questions into the quiz. It is also possible to create new questions from this screen and these questions will be added to the previously selected category.
After adding questions to a quiz that no student has taken, you can remove individual questions. 


What the teacher will see on the edit tab will depend upon what has happened with the quiz at that point.
==Adding questions==


*On the left side of the screen (or in the middle if the quiz has already been attempted) you’ll see a block where the questions you’ve added to the current quiz are displayed. If this is a new quiz you will not have any questions there and Moodle tells you this.
Once you have accessed the quiz editing screen as above, you can add questions from a number of locations:
*On the right side of the screen (if the quiz has not yet been attempted), you’ll see a [[Question categories|Categories]] section above the question editing block. These two areas are where you can add new questions, edit existing questions, or move questions between categories. This is explained in more detail on the [[Question bank|Question bank page]].


===Adding questions to a quiz===
#Click the "Add question" button to begin a new question (1 below)
Once you’ve created your questions, you’ll need to add them to the quiz. There are many types in the [[Question bank]] that you can use. Alternatively, you may choose to [[Import questions|import questions]].  
#Click "Show" (2a) to reveal the contents of the question bank (2b) and then choose a pre-made question or click "Create new question" (3)
#Click "Add a random question" to add a random question, ''providing there are questions in the question bank already''.


First use the 'Category' menu to select the category containing the questions you want to add (item 3 in the diagram below).


The chevrons (<< icons) to the left of the questions are used to add individual questions to the quiz. You can also select several questions using the checkboxes on the left of the question list and then click the "Add to quiz" button at the bottom of the list to add then all at once. If you want to add all the displayed questions then use the 'Select all' link.
{|
[[Image:Quiz.gif|frame|left|This shows four methods of adding questions including adding random questions dealt with in more detail below (Moodle 1.8)]]<br style="clear:both;">
[[File:add question.png|thumb|300px|Adding a question]]


|}


If you have created a lot of questions, you may want to sort the question list by type and name or by age. You can also choose to display the question text below each question name by checking the box "Show question text in the question list" above the question list (Moodle 1.8 onwards).
===Creating a new question===


===Editing question order in a quiz===
#To make a brand new question, click "Add a question".
Once you’ve added a question to the quiz, they appears on the left side of the screen in the quiz question list. This edit view can only be see when no attempts have been made by students.
#From the next screen, choose the question type you want to add and click "Next"


[[Image:Quiz Edit no attempts.png|thumb|center|A quiz in edit mode, where questions have been added, and no students have attempted the quiz. This quiz has random and fixed questions from 2 question categories.]]
'''NOTE:'''  ''When you click on a question type on the left, helpful information appears on the right''.  


You can change the order of the questions with the move icons. You can move a question out of the quiz with the chevrons (>> icons).  Of course you can use the edit and preview icons next to any question that will bring up a pop up window.  The teacher can move or reset the page breaks on this screen.
#Fill in the question form, making sure to give a grade to the correct answer.
#Click "Save changes"


Quiz will not let you add the same question to the same quiz more than once and will not display the same question twice to the students when both random and fixed questions are used from a single category.
{|
|  [[File:questionpicker.png|thumb|250px|Selecting a question type]]
|  [[File:questionadded.png|thumb|250px|A question when it has been created]]


::Remember if the Quiz setting is set to randomize question order, the order you see in this view will not be what your students see when they make an attempt.
|}


===Grading questions ===
Note that when a question has been created, an icon and words display its type (eg muliple choice) and a magnifiying glass icon allows you to preview it.
You will also need to set the grade for each question. You can set the number of points for each question in the Grade column. This allows you to set the relative weight of each question in the quiz. You may want to make certain questions or question types worth more than others. You should also set the 'Maximum grade' for the whole quiz. This does not have to be equal to the sum of the grades for the individual questions. The grades achieved by the students will be rescaled to be out of this maximum grade. After adjusting these grade settings you should click on the 'Save grades' button.


===Adding random questions===
A random question places a link that will select a unique question at random from a specific question category.  Random questions are selected when the quiz is generated for a specific student attempt.


This means that different students are likely to get a different selection of questions when they attempt this quiz. For example, when a quiz has 10 random questions that draw on a question category with 30 questions.  If a quiz allows multiple attempts for each student then each attempt will also contain a new selection of questions.
You can continue adding questions this way, clicking the "Add a question" button each time.


The same question will never appear twice in a quiz. If you include several random questions then different questions will always be chosen for each of them. If you mix random questions with non-random questions then the random questions will be chosen so that they do not duplicate one of the non-random questions. This does imply that you need to provide enough questions in the category from which the random questions are chosen, otherwise the student will be shown a friendly error message. The more questions you provide the more likely it will be that students get different questions on each attempt.
===Choosing a pre-made question===
If other teachers in the course have made questions, or if a teacher made questions in an earlier quiz, these can be added to the current quiz by clicking the arrows next to them in the question bank (1 below) or by checking/ticking the box of several and then clicking the button "add to quiz" (2). To ensure all previously made questions are available, make sure to tick the boxes "also show questions from sub-categories/old questions".
 
{|
| [[File:premadequestion.png|thumb|Using a previously made question]]
 
|}
 
===Adding a random question===
As long as you have questions in the question bank, you can add random questions to your quiz. This might be useful if you have students in a class taking a quiz at the same time, because they are unlikely to get the same questions at the same time. The same question will never appear twice in a quiz. If you include several random questions then different questions will always be chosen for each of them. If you mix random questions with non-random questions then the random questions will be chosen so that they do not duplicate one of the non-random questions. This does imply that you need to provide enough questions in the category from which the random questions are chosen, otherwise the student will be shown a friendly error message. The more questions you provide the more likely it will be that students get different questions on each attempt.


The grade for the randomly chosen question will be rescaled so that the maximum grade is what you have chosen as the grade for the random question.
The grade for the randomly chosen question will be rescaled so that the maximum grade is what you have chosen as the grade for the random question.


To add random questions, select the question category you wish to use, then use the drop-down menu at the bottom of the Question Bank in the right columnSelect the number of random questions you wish to add, and click 'Add'.  The random question link will appear on the quiz question list in the left column.
You can add one or more random questions by choosing the number and category in the question bank. Note the die icon to highlight random question selection.
{|
| [[File:randomquestions.png|thumb|Adding a random question]]
| [[File:randomquestionadded.png|thumb|Random question selected for quiz]]
 
|}
 
====Quiz question tags====
Note that although it is possible to tag questions, the feature does not currently work. See forum discussion: https://moodle.org/mod/forum/discuss.php?d=194119
 
===Question categories===
Questions can be stored and retrieved from categories in the Question bank. When you make a new question it defaults to the category with the course name. So if you make a quiz in the Senior Physics course, questions will automatically be added to "Default for Senior Physics". You can opt to have your quiz questions in a category of their own ("Quizname") or to add a subcategory.
To add a subcategory, go to ''Settings>Quiz administration>Question bank>Categories'' For more information on question contexts and categories, see [[Question bank]]
 
Users will have access to different categories according to their permissions. For example, a regular teacher might only have access to question categories in his own Physics course whereas his Faculty Head of Science with permissions in all science courses might have access to question categories in Biology and Chemistry as well.
 
==Quiz layout==
 
*You can choose in  '' Settings>Quiz administration>Edit settings>Layout'' whether to have a new page for every question or after a certain number of questions.
*You can click the "Add a page here" button to add a page at selected intervals and move questions up and down by clicking the arrow button.
*You can also set the pages by clicking the tab "Order and paging" on the Edit quiz screen.
*Questions may be moved up and down with the arrows, or you can check the boxes to their left and then click "reorder questions"
*You can check a box to select a question and then click "Add new pages after selected questions"
*You can "repaginate" by setting the number of questions per pageAfter setting the number of questions per page, you can move questions so that there are a different number of questions on each page.
 
 
{|
| [[File:paging1.png|thumb|Moving questions and adding pages]]
| [[File:orderandpaging.png|thumb|Order and paging]]
| [[File:repaginate.png|thumb|Repaginating]]
|}
 
==Assigning points to questions ==
''Settings > Quiz administration > Edit quiz > Editing quiz''
 
You can set how many points each question is worth by changing the number in the box to the right of each question (1) and you can change the maximum grade by changing the number in the box at the top of the quiz (2) The default is one point per question and 100.00 maximum grade.


[[Image:Quiz Random Question select.png|thumb|center|Here we are selecting 2 random question from the "Default for New Features" category]]<br style="clear:both;">
{|
[[File:gradingquiz.png|thumb|250px|Points per question and max grade]]


===Previewing questions===
|}
After you have added questions to the quiz, they will appear on the left. Notice the preview and edit icons next to the fixed questions. These will open a popup window.  The move icons will allow you to change the order of the questions (if Quiz is setup to randomize the order, this will not have an effect).


[[Image:Quiz Questions in this quiz 197.png|thumb|center|This quiz has random questions and fixed questions. Both are drawn from 2 different question categories.]]
 
:Tip: Each save button is independent of each other.   Thus if you change 2 grade boxes and click on the "Save" button, only the grade next to that button will be saved. Your other changes will revert to what they were before.  Best practice is to change the grade and save one question at a time.


When you’re done, you will probably also want to preview your entire quiz by clicking on the '''Preview''' tab. This will bring you to the [[Quiz preview]] screen, but in teacher preview mode.
The quiz module will do any maths, so for example, a 2 point question will be  worth 2 times more when the Quiz module determines how many point out of 10 to award the student.


===Setting page breaks===
After you have added question to the quiz, they will appear on the left.  You can manually move the page breaks, or reset the page breaks so that a standard number of questions appear on a single page. 


For example, you set the quiz up to show 5 questions per page. You realize that 10 would be a better numberChange the number of questions per page from 5 to 10 and click on goThe quiz will automatically change the breaks.
==Previewing the quiz==
*You can preview individual questions by clicking the magnifying glass icon.
*You can preview the whole quiz by clicking the "Preview" link in ''Settings>Quiz administration>Preview''
*The quiz works like a real quiz so you can see your grades and any feedback for correct/incorrect answers just as a student would see them.
{|
|  [[File:previewquestion.png|thumb|200px|Previewing a single question]]
|  [[File:previewquiz.png|thumb|200px|Click to preview the whole quiz]]
| [[File:quizpreviewed.png|thumb|200px|Quiz in preview mode]]
| [[File:quizincorrect.png|thumb|200px|Quiz feedback for incorrect answer]]


For example, you want a description on the first page with 3 questions, followed by a page with 10 questions, and a last page of 6 question and a description. The quiz was set up with 5 questions per page. You should add and or move the questions and descriptions in the order you want.  Then move the existing page breaks to achieve the effect you want.  Make sure to turn off "shuffle questions" in the quiz setting.
|}


==After quiz has been attempted==
==After quiz has been attempted==
If one or more students have taken the quiz, you will see a list of all the questions in the quiz and a notice saying that you cannot add or remove questions.  
If one or more students have taken the quiz, you will see a list of all the questions in the quiz and a notice saying that you cannot add or remove questions.
 
 
You can change the order of questions, regrade them, preview an individual question and click on an question edit link that will allow you to directly edit the question stored in the question bank.


You can move questions in a different order, re grade questions, preview an individual question and click on an question edit link that will allow you to directly edit the question stored in the question bank.


[[Image:Quiz_Edit_after_attempts.png|thumb|center|Quiz after 2 students have made attempts]] 
'''NOTE:''' You can delete all quiz attempts by students and then edit the quiz as if no students had attempted it.  To do this,click the quiz name and then the Results link in the Navigation  block. This will present a list of students and their scores.  Click "Select all" and then "Delete selected attempts".


:''TIP:'' You can delete all quiz attempts by students and then edit the quiz as if no students had attempted it.  To do this, go to the "Info" tab,  select the Attempts link.  This will present a list of students and their scores.  Use the check box on the left of each student and the delete button/menu item.
===Dealing with faulty questions===


:''TIP:'' There are several ways to deal with bad questions in a quiz.
There are several ways to deal with "bad" questions in a quiz.
::*Change the grade for the bad question to 0 in the quiz.   
::*Change the grade for the bad question to 0 in the quiz.   
::*Edit the question, changing what you will accept as a correct answer, then regrading the exam.  Remember when changing a question that the next time it is used it will be as it was in the last edit.  Also, regrading will only effect one quiz at a time.     
::*Edit the question, changing what you will accept as a correct answer, then regrading the exam.  Remember when changing a question that the next time it is used it will be as it was in the last edit.  Also, regrading will only affect one quiz at a time.     
::*You can edit the question to explain the situation to the student and then you can set the grade for the question to zero. After you make such changes you should regrade the quiz by clicking on the '''Results''' tab and then the '''Regrade''' tab.  This will change the grade for all students who have taken the quiz so far.  Remember, if the question is used by another quiz, your "explanation" will appear as part of that quiz.  
::*You can edit the question to explain the situation to the student and then you can set the grade for the question to zero. After you make such changes you should regrade the quiz by clicking on the '''Results''' tab and then the '''Regrade''' tab.  This will change the grade for all students who have taken the quiz so far.  Remember, if the question is used by another quiz, your "explanation" will appear as part of that quiz.  
::*You can change the grade for the bad question and then move or delete the question from your question category.  The question will still appear on the quiz. Some places do not like to delete any question, but will move them to a "dead" or "bad" question category.  
::*You can change the grade for the bad question and then move or delete the question from your question category.  The question will still appear on the quiz. Some places do not like to delete any question, but will move them to a "dead" or "bad" question category.  
::*When you discover a bad question in your quiz, it may effect the question bank. Remember that a final might be made up of a certain number of random questions drawn from different question categories, the same categories used in a smaller subject quiz. It can be very important do something about bad or invalid questions in a question category when the categories are use in other places.
::*When you discover a bad question in your quiz, it may affect the question bank. Remember that a final might be made up of a certain number of random questions drawn from different question categories, the same categories used in a smaller subject quiz. It can be very important do something about bad or invalid questions in a question category when the categories are use in other places.


==See also==
==See also==
*[[Question bank]]
*[[Questions]] in [[Managing a Moodle course]]
*[[Question categories]]
 
*[[Import questions]]
*[[Export questions]]
*[http://www.youtube.com/watch?v=rFnoNNrTx3c How to create a quiz video]


[[de:Test bearbeiten]]
[[de:Test erstellen]]

Latest revision as of 14:14, 1 November 2012


How a Moodle quiz works

The word “quiz” might conjure up for some images of TV game shows, but a Moodle quiz is basically a set of questions presented to the learner which may be automatically marked by Moodle or graded later by the teacher. The questions may be in sentence or number form or contain various media such as video or sound. They do not all need to be the same type of questions: a quiz may contain multiple choice, matching, essays (teacher-graded) and calculated. Feedback may be given at any or all stages of the process.

Once a quiz is made, that’s not the end of it. A Moodle quiz is environmentally friendly: its questions are saved in a Question bank and may be recycled for use elsewhere. Thus, Mr Brown could create a Physics Quiz with 20 questions for his class, Class Brown, and his colleague Mr Smith sharing the course could save himself valuable time by resusing 5 of Mr Brown’s questions in his own General Science quiz for Class Smith. (See also Question Sharer role for sharing questions across the site)

If a quiz is a book, the Quiz settings are equivalent to the front cover; the quiz itself is contained within when the questions are created. (Be careful : once you have chosen the Quiz Settings, it will be “live” on your course page, unless you hide it, so your learners could potentially see a quiz with no questions, like a front cover with no content.)


Once a quiz has been added to the course and the Quiz settings established,the teacher can start to build the quiz. The teacher can access the quiz to edit the questions by clicking directly on the Quiz name on the course home page and then "Edit quiz" or by clicking the "info" link in the Navigation block. The "Edit quiz link can also be accessed from Settings>Quiz administration.

Accessing the quiz to add or edit questions


Adding questions

Once you have accessed the quiz editing screen as above, you can add questions from a number of locations:

  1. Click the "Add question" button to begin a new question (1 below)
  2. Click "Show" (2a) to reveal the contents of the question bank (2b) and then choose a pre-made question or click "Create new question" (3)
  3. Click "Add a random question" to add a random question, providing there are questions in the question bank already.


Adding a question

Creating a new question

  1. To make a brand new question, click "Add a question".
  2. From the next screen, choose the question type you want to add and click "Next"

NOTE: When you click on a question type on the left, helpful information appears on the right.

  1. Fill in the question form, making sure to give a grade to the correct answer.
  2. Click "Save changes"
Selecting a question type
A question when it has been created

Note that when a question has been created, an icon and words display its type (eg muliple choice) and a magnifiying glass icon allows you to preview it.


You can continue adding questions this way, clicking the "Add a question" button each time.

Choosing a pre-made question

If other teachers in the course have made questions, or if a teacher made questions in an earlier quiz, these can be added to the current quiz by clicking the arrows next to them in the question bank (1 below) or by checking/ticking the box of several and then clicking the button "add to quiz" (2). To ensure all previously made questions are available, make sure to tick the boxes "also show questions from sub-categories/old questions".

Using a previously made question

Adding a random question

As long as you have questions in the question bank, you can add random questions to your quiz. This might be useful if you have students in a class taking a quiz at the same time, because they are unlikely to get the same questions at the same time. The same question will never appear twice in a quiz. If you include several random questions then different questions will always be chosen for each of them. If you mix random questions with non-random questions then the random questions will be chosen so that they do not duplicate one of the non-random questions. This does imply that you need to provide enough questions in the category from which the random questions are chosen, otherwise the student will be shown a friendly error message. The more questions you provide the more likely it will be that students get different questions on each attempt.

The grade for the randomly chosen question will be rescaled so that the maximum grade is what you have chosen as the grade for the random question.

You can add one or more random questions by choosing the number and category in the question bank. Note the die icon to highlight random question selection.

Adding a random question
Random question selected for quiz

Quiz question tags

Note that although it is possible to tag questions, the feature does not currently work. See forum discussion: https://moodle.org/mod/forum/discuss.php?d=194119

Question categories

Questions can be stored and retrieved from categories in the Question bank. When you make a new question it defaults to the category with the course name. So if you make a quiz in the Senior Physics course, questions will automatically be added to "Default for Senior Physics". You can opt to have your quiz questions in a category of their own ("Quizname") or to add a subcategory.

To add a subcategory, go to Settings>Quiz administration>Question bank>Categories For more information on question contexts and categories, see Question bank

Users will have access to different categories according to their permissions. For example, a regular teacher might only have access to question categories in his own Physics course whereas his Faculty Head of Science with permissions in all science courses might have access to question categories in Biology and Chemistry as well.

Quiz layout

  • You can choose in Settings>Quiz administration>Edit settings>Layout whether to have a new page for every question or after a certain number of questions.
  • You can click the "Add a page here" button to add a page at selected intervals and move questions up and down by clicking the arrow button.
  • You can also set the pages by clicking the tab "Order and paging" on the Edit quiz screen.
  • Questions may be moved up and down with the arrows, or you can check the boxes to their left and then click "reorder questions"
  • You can check a box to select a question and then click "Add new pages after selected questions"
  • You can "repaginate" by setting the number of questions per page. After setting the number of questions per page, you can move questions so that there are a different number of questions on each page.


Moving questions and adding pages
Order and paging
Repaginating

Assigning points to questions

Settings > Quiz administration > Edit quiz > Editing quiz

You can set how many points each question is worth by changing the number in the box to the right of each question (1) and you can change the maximum grade by changing the number in the box at the top of the quiz (2) The default is one point per question and 100.00 maximum grade.

Points per question and max grade


Tip: Each save button is independent of each other. Thus if you change 2 grade boxes and click on the "Save" button, only the grade next to that button will be saved. Your other changes will revert to what they were before. Best practice is to change the grade and save one question at a time.

The quiz module will do any maths, so for example, a 2 point question will be worth 2 times more when the Quiz module determines how many point out of 10 to award the student.


Previewing the quiz

  • You can preview individual questions by clicking the magnifying glass icon.
  • You can preview the whole quiz by clicking the "Preview" link in Settings>Quiz administration>Preview
  • The quiz works like a real quiz so you can see your grades and any feedback for correct/incorrect answers just as a student would see them.
Previewing a single question
Click to preview the whole quiz
Quiz in preview mode
Quiz feedback for incorrect answer

After quiz has been attempted

If one or more students have taken the quiz, you will see a list of all the questions in the quiz and a notice saying that you cannot add or remove questions.


You can change the order of questions, regrade them, preview an individual question and click on an question edit link that will allow you to directly edit the question stored in the question bank.


NOTE: You can delete all quiz attempts by students and then edit the quiz as if no students had attempted it. To do this,click the quiz name and then the Results link in the Navigation block. This will present a list of students and their scores. Click "Select all" and then "Delete selected attempts".

Dealing with faulty questions

There are several ways to deal with "bad" questions in a quiz.

  • Change the grade for the bad question to 0 in the quiz.
  • Edit the question, changing what you will accept as a correct answer, then regrading the exam. Remember when changing a question that the next time it is used it will be as it was in the last edit. Also, regrading will only affect one quiz at a time.
  • You can edit the question to explain the situation to the student and then you can set the grade for the question to zero. After you make such changes you should regrade the quiz by clicking on the Results tab and then the Regrade tab. This will change the grade for all students who have taken the quiz so far. Remember, if the question is used by another quiz, your "explanation" will appear as part of that quiz.
  • You can change the grade for the bad question and then move or delete the question from your question category. The question will still appear on the quiz. Some places do not like to delete any question, but will move them to a "dead" or "bad" question category.
  • When you discover a bad question in your quiz, it may affect the question bank. Remember that a final might be made up of a certain number of random questions drawn from different question categories, the same categories used in a smaller subject quiz. It can be very important do something about bad or invalid questions in a question category when the categories are use in other places.

See also