This article is on the C-Score, Carousel's Responsive Quizzing metric for Gold and Platinum users.
If C-Scores are not loading when you are selecting questions for a quiz, you may need to do a hard reload of your browser tab (PC: CTRL + F5 / Mac: COMMAND + SHIFT + R)
In this article we will look at:
Where to see C-Scores and how to use them
How to use Whiteboard C-Scores (Platinum users)
What is a C-Score?
The C-Score is a metric between 0-15 to help facilitate 'Responsive Quizzing', by giving each question a score that takes into account each of the following 3 factors:
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How many times it has been included in a quiz (for the class/year group selected);
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How many weeks since it was last included in a quiz, (for the class/year group selected);
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The average % correct from the most recent quiz with 1+ responses where the question was included (for the class/year group selected).
A higher C-Score indicates a stronger recommendation that you ask this question to this class/group at this point in time. This will be because either the question has not yet been asked (which will automatically score a 15) or because of a combination of the above 3 factors.
Where do I see C-Scores and how do I use them?
When you are creating a new quiz and click SELECT QUESTIONS, you will see a drop-down which allows you to select a class, classes OR a year group to pull in C-Score data from. Selecting multiple classes or a year group will produce aggregate data for the classes or year group selected.
You can click on the C-SCORE column to organise the questions by their C-Score from high to low or low to high.
As you select your questions, you will also see an the average C-Score of those questions at the top of the table:
When you hover over the coloured line (the longer and darker the line, the higher the question's C-Score), a pop-up will tell you the C-Score for that question, and the breakdown of its score by the 3 information points:
Top Tip
A quick and easy way to use C-Scores to select highly impactful questions, is to put on a filter with a minimum of 9, and then click `SELECT RANDOM`.
How are C-Scores Calculated?
- Scores are calculated using any quizzes that have been set.
- Study pack quizzes are not considered in the calculations.
- C-Scores are only assigned if 1+ question from the same topic has been used in a quiz for the class/year group selected.
- If a question has not been used in a quiz for the class/year group selected, then the question is assigned 15 points.
- Platinum users can choose to include Whiteboard quizzes in the C-Score calculations.
NEW! C-Scores for Shared Classes
If you share a class with one or more other teacher, any questions asked to the class from the same Question Bank by any of the teachers will contribute to the C-Scores.
If the you and your colleagues have different versions of the same Question Bank, only questions that are 'in common' have their C-Scores shared. Question Banks can be updated to the latest version by clicking on the update icon next to the Question Bank on your dashboard and confirming the changes.
Please note: If an editable copy of a Question Bank is made then the C-Scores generated from Quizzes that use the editable copy are separate and do not contribute to the C-Scores of the 'original' Question Bank.
How do I use Whiteboard C-Scores as a Platinum user?
To include the Whiteboard quiz in your C-Score data, select the class that is being set for here:
This is 'optional' as you can choose to not include the Whiteboard quiz in Analysis and future calculations. If a class is not included here, you will not be able to activate the sliders on the Whiteboard quiz to record the scores.
When choosing the questions to include in the Whiteboard Quiz, you can select the class or year group to display their current C-Score data to help inform your choice of questions. You can do this even if you don't intend to include the Whiteboard quiz in your calculations.
To learn how to input Whiteboard C-Scores, visit our Whiteboard View article.
Carousel's Education Director, Adam Boxer, talks you through C-Scores, and how they can turbo-charge your quizzes.
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