The criminal identifier is the person employed as a criminal expert by the parties or the judiciary for his specialized knowledge or skills who distinguishes ,judges and brings forward the expert conclusion or the appraisal idea on some speciality in criminal case in legal proceedings.

By using mature personality tests to make diagnoses for managers or job applicants personality characteristics during the process of personnel assessments,can provide consulting information for reasonably utilizing manpower resources.

As the basis and origin of human resource management, Personnel assessment is playing a more and more essential role, and facing broader development and application.