Rubrics - teacher student resources from Really Fine Web Design, Education Online division. They provide for increased consistency in the rating of performances, products and understandings as well as giving students an established set of expectations about what will be assessed as well as the standards that need to be met.
Rubrics also protect students against evaluator's biases.
It is most appropriately used to assess answers to short essay questions. Because of this, holistic scales are particularly well suited to screening students during interviews. Like holistic scales, primary trait scales provide an effective way to evaluate a large number of assignments very quickly Guidelines for Developing a Rubric Determine which concepts, skills, or performance standards you are assessing. List the concepts and rewrite them into statements which reflect both cognitive and performance components. Identify the most important concepts or skills being assessed in the task.