Rubric Calibration
The act of rubric calibration is the realignment of judges' readings along with their grading of rubric criteria thus it is the process of ensuring consistency and accuracy in assessment grading. This habit is highly important as it is the best way to solve the issue of fairness and reliability in the evaluations, especially in schools.
The initial aim of rubric calibration is to equalize the grading among numerous evaluators, so that all the assessors interpret and apply the rubric criteria in the same way. For instance, in a class, if different teachers are grading the same student essays, calibration of the rubric helps them to find consensus on what makes it an 'A' or a 'B' grade, thereby, it reduces personal bias and it also adds the credibility of the assessment.
Normally, rubric calibration is done by means of collaborative discussions and practice sessions among evaluators who use a certain set of sample work. Evaluators check and rate these samples alone and later, they meet to discuss the scores they assigned and their reasoning, reshaping their understanding of the rubric. This sequence of events may necessitate several iterations of rating and conversing until the group comes to a common agreement, thereby, it guarantees that all evaluators are in the same boat regarding the grading practices.
Joining rubric calibration for students comes with more fairness and more transparency in grading, as it reduces the difference in assessment results according to the person grading their work. This same level of assessment helps the learner understand the expectations and the criteria for their assignments clearer. To illustrate, students are guaranteed equality in the assessments made by their teachers using the same standard; as a result, they have more confidence that their grades reflect their true performance rather than subjective differences in grading styles.
The technology that can be used in rubric calibration is the availability of platforms that make collaborative scoring and discussions of the evaluators possible. For example, tools such as shared digital rubrics or online assessment platforms enable assessors to enter their scores and comments, follow the alterations made, and work together to improve their evaluations. Dedicated platforms that enable evaluators to submit their scores on a shared rubric are used to find the areas of disagreement between evaluators on which it is necessary to have further discussion or calibration. This makes the calibration process more efficient and relies on data for decision-making.