This Digest outlines an appropriate way to handle score normalization in a fair and equitable manner. Using raw scores to calculate final grades may not entirely capture a student's true performance within a class. As variation in performance evaluation increases, so does the impact on the student's final ranking. Ideally, the distribution of…

This Digest describes different types of scoring rubrics and explains why they are useful. Scoring rubrics are descriptive scoring schemes that are developed by teachers or other evaluators to guide the analysis of the products or processes of students' efforts. Scoring rubrics are generally used when a judgment of quality is required, and they…

This Digest provides a process for developing scoring rubrics. The first step is to identify clearly the qualities that need to be displayed in a student's work to demonstrate proficient performance. These qualities will be the top level or levels of scoring criteria for the scoring rubric. Then the decision must be made whether the information…

Several common sources of error in assessment that depends on the use of judges are identified, and ways to reduce the impact of rating errors are examined. Numerous threats to the validity of scores based on ratings exist. These threats include: (1) the halo effect; (2) stereotyping; (3) perception differences; (4) leniency/stringency error; and…