Trade Unions: Trade Unions arc regarded as intrusions into the organization from outside which compete with management for the loyalty of employees. Related posts: Personnel Management Operative Functions Administrative Role of PM Competency HR Management Role Change Personnel Policies Personnel Procedures Appealed Policies Implied Policies Specific Policies Personnel records Research Pure research Personnel research Attitude or Opinion Survey Turnover Secondary research Applied research Personnel audit Read more articles Previous PostConflict Next PostUnitary Perspective