# Rubrics

Note: You are currently viewing documentation for Moodle 2.2. Up-to-date documentation for the latest stable version is available here: Rubrics.

Moodle 2.2 Rubrics are advanced grading forms used for criteria-based assessment. The rubric consists of a set of criteria. For each criterion, several descriptive levels are provided. A numerical grade is assigned to each of these levels. The rater chooses which level answers/describes the given criterion best.

## Rubrics editor

TODO: how the editor works + screenshot

## Using rubric

TODO: how the teacher uses the rubric during the assessment + screenshot

The rubric normalized score (ie basically a percentage grade) is calculated as

${\displaystyle G_{s}={\frac {\sum _{i=1}^{N}(g_{i}-min_{i})}{\sum _{i=1}^{N}(max_{i}-min_{i})}}}$
where ${\displaystyle g_{i}\in \mathbb {N} }$ is the number of points given to the i-th criterion, ${\displaystyle min_{i}\in \mathbb {N} }$ is the minimal possible number of points for of the i-th criterion, ${\displaystyle max_{i}\in \mathbb {N} }$ is the maximal possible number of points for the i-th criterion and ${\displaystyle N\in \mathbb {N} }$ is the number of criteria in the rubric.

Example of a single criterion can be: Overall quality of the paper with the levels 5 - An excellent paper, 3 - A mediocre paper, 0 - A weak paper (the number represent the number of points).

Example: let us have an assessment form with two criteria, which both have four levels 1, 2, 3, 4. The teacher chooses level with 2 points for the first criterion and 3 points for the second criterion. Then the normalized score is:

[itex]G_s = \frac{(2 - 1) + (3 - 1)}{(4 - 1) + (4 - 1)} = \frac{3}{6} = 50 %