Traditional control methods rely heavily on

as follows:

1. Pre-control, in-control and post-control

(1) Pre-control. Refers to the management efforts undertaken by the organization before the formal start of an activity. It is mainly the determination of the final output of the activity and the control of resource inputs, which focuses on preventing qualitative and quantitative deviations in the resources used by the organization.

(2) control during the event. Refers to the control carried out in the course of an activity, the manager is on the scene of the ongoing activities always give guidance and supervision to ensure that the activities are carried out in accordance with the required policies, procedures and methods.

(3) After-the-fact control. It occurs after the operation or task has been completed. It is the oldest type of control and almost all traditional methods of control fall into this category.

2. Preventive and corrective control

(1) Preventive control. It is designed to avoid generating errors and minimize future corrective activities and prevent waste of money, time and other resources.

(2) Corrective control. It is often due to the failure of managers to anticipate problems and take measures when deviations occur to return behavior or activities to a predetermined or desired level.

3, feedback control and feed-forward control

(1) feedback control. Refers to the process of information feedback from the organization's activities to find deviations, through the analysis of the causes, to take appropriate measures to correct the deviation.

(2) Feedforward control. Also known as the guidance of future control, that is, through the observation of the situation, the law of mastery, information analysis, trend prediction, anticipate the problems that may occur in the future, and take measures to prevent them before they occur.