Match the types of rater training programs as part of the performance appraisal process with their descriptions. Rater-error training Rater-error training drop zone empty. Performance-dimension training Performance-dimension training drop zone empty. Performance-standard training Performance-standard training drop zone empty. To decrease psychometric errors by familiarizing raters with their existence To expose supervisors to the aspects of performance that need to be used in rating To give raters a standard of comparison or frame of reference for carrying out appraisals