The Guidelines and Ethical Considerations for Assessment Center Operations suggest that a sound assessor training program should last a minimum of two day for of AC exercise and that assessors should gain the following knowledge and skills at the completion of training:
1. Knowledge of the organization and target job
2. Understanding of assessment techniques, dimensions, and typical behavior
3. Understanding of assessment dimensions and their relationship to job performance
4. Knowledge of performance standards
5. Skill in techniques for recording and classifying behavior and in use of the AC forms
6. Understanding of evaluation, rating, and data-integration processess