Scales are a way of evaluating or rating a learners' performance. Totara offers a standard set of numeric scales. It is also possible to create custom scales which can be available on the site. For example, you can give the trainer a word or small phrase as a way of rating or giving a learner feedback.
Scales may be used in Forums, Glossaries, and Assignments for rating and/or grading a learner's activity.
Standard scales: Totara includes different numeric scales which cannot be edited, and one non-numeric example.
Numeric: Totara includes numeric scales that range from a maximum of 100 to a minimum of 1. For example, selecting a scale of 10, will allow a rating on a scale between 10 and 1. Numeric scales can be calculated as a grade.
Included non numeric scales: Included in the standard Totara install is a scale called Separate and Connected ways of knowing. This has three elements: Mostly Separate Knowing, Separate and Connected, Mostly Connected Knowing. These phrases relate to a theory about how people approach the world. In edit mode, the trainer or administrator can see the scale description which explains the use of this interesting rating system.
Creating a new scale
New scales can be created by trainers with editing rights or by administrators or by any user with the manage scales role capability. Scales can be edited in the Gradebook Menu Scales. The process is similar for making a new scale for either a course or site.
Creating course scales
- Click on the Grades link in the course Administration block, then select Scales from the Edit section of the gradebook dropdown menu.
- On the Scales page click the Add a new scale button.
- On the next page give your scale a name in the Name box that will identify it among other scales.
In the Scale box create your scale, with each item in the scale separated by a comma. You can use as many options here as you require.
You must order the comma separated elements in increasing order of value. For example, an A,B,C,D scale must be entered as D,C,B,A.
- Write a detailed description in the Description box for your scale. Your learners will have access to the description, and you can use this to give them additional feedback. The more details you put in the description, the more learners will understand what each scale item means.
Creating a site scale
Creating scales that are available in every course is similar to creating one for a single course. The site administrator will find a Scales link in the site administration block under Grades. It will list the scales available on the site, except the standard numeric sales.
Single rating scale
Only selecting one option allows you to create a 'Like' scale similar to social media tools, such as Facebook.
Using a scale
First the trainer needs to assign a specific scale to the activity using a drop down menu in the activities setting. Then the trainer and/or trainees can rate an activity element (for example, a post in a forum) with the pre-defined scale.
Editing a scale
If a scale has not yet been used you will see an edit, move, and delete icon in the edit column.
Once a scale is used for an activity it is no longer possible to move or delete it; you can only edit the scale name and description.
- The Cool Scale: Not cool, Not very cool, Fairly cool, Cool, Very cool, The coolest thing ever!
- Valued as 0/5pts, 1/5pt, 2/5pts, 3/5pts, 4/5pts, and 5/5pts respectively in any normalised aggregation method.
- Valued as 1, 2, 3, 4, 5, and 6 respectively in the sum aggregation method.
- General Introductions (The Affirmative Scale): Welcome!, Glad to have you here!, Great post!
- Valued as 0/2pts, 1/2pt, and 2/2pts respectively in any normalised aggregation method.
- Valued as 1, 2, and 3 respectively in the sum aggregation method.
- If you would like two options in your scale (incomplete and complete) type 'incomplete, complete' in the scale box.
- Valued as 0/1pts and 1/1pt respectively in any normalised aggregation method like weighted mean, mean, simple weighted mean, etc.
- Valued as 1 and 2 respectively in the sum aggregation method.
- Generic Social Forum (this scale only worked prior to the averaging function): Please clarify., I don’t understand., Hmmm., Tell me more., Interesting., Very cool., Awesome!
- Valued as 0/6pts, 1/6pt, 2/6pts, 3/6pts, 4/6pts, 5/6pts, and 6/6pts respectively in any normalised aggregation method.
- Valued as 1, 2, 3, 4, 5, 6, and 7 respectively in the sum aggregation method.
Values calculated as percentage scores
Totara uses the last entry to determine the number of points in the scale for computing percentages. For example, if your scale is 0,5,6,7,8,9,10 then Totara will use a 0-6 or 1-7 point scale depending on your chosen aggregation method.
- When using a normalised aggregation method, 0 will become 0/6, 5 will become 1/6, 6 will become 2/6, 7 will become 3/6, 8 will become 4/6, 9 will become 5/6, and 10 will become 6/6 for grade computation, respectively.
- When using the sum aggregation method, 0 will become 1, 5 will become 2, 6 will become 3, 7 will become 4, 8 will become 5, 9 will become 6, and 10 will become 7.
Either way, the numbers you enter for your scale are not calculated as entered, the system calculates the number of non-zero entries and then creates a scale from 0 to the total number of entries (n) with their values calculates as 0/n, 1/n, 2/n, 3/n, and so on.
If you would like to associate a letter grade with a percentage range then this can be done with Letters. This feature is accessed via Home > Administrations > Grades > Letters.
To associate grade letters with marks:
- Type in the grade letter you want to appear and the upper boundary for the letter grade boundary; it is best to go from highest to lowest order.
- Click Save changes.
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