Process Theories (�鹡�кǹ���)

                 ::   Re-inforcement or Behavior Modification Theory
                        (��ɮ��ç������ͧ Skinner)

                  ::   Expectancy Theory (��ɮդ����Ҵ��ѧ�ͧ Vroom)
                  ::   Equity Theory (��ɮդ����ͺ�����ͧ Adam)
                  ::   Goal Setting Theory (��ɮա�õ��������¢ͧ Locke)