This commentary discusses three essential themes in performance assessment and its scoring. First, scores should mean something. Second, performance scores should permit fair and meaningful comparisons. Third, validity-reducing errors should be minimal. Increased attention to performance assessment may overcome these problems. (SLD)

Six distinguishable aspects of construct validity are discussed as they apply to performance assessment, emphasizing content, substantive, structural, generalizability, external, and consequential aspects. Taken together, these aspects provide a way to address validity questions in score interpretation and use. (SLD)

Researchers in the field of educational measurement need to monitor their own actions to keep their achievements in perspective. Some possible symptoms of obsession with their own significance are explored. Pride, destructive criticism, and misusing others to advance oneself are flaws researchers should strive to eradicate. (SLD)

The use of performance assessments in accountability programs is discussed. Performance assessments have the potential to measure important objectives not easily measured by multiple-choice tests. Nevertheless, they are not suitable for every purpose, and their use should not be oversold. Many psychometric issues remain to be resolved. (SLD)